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• Java ThreadPool for multiple identical tasks

  - by tdimmig

  I have 1 thread who sole job is to grab DatagramPackets off of a socket and stick them in a buffer. Another thread works out of that buffer, processing the DatagramPackets. I'd like to have a pool of threads working out of that buffer. I had thought to use a fixed thread pool to do this. To do so, do I need to create the pool, then submit enough runnables for execution to fill it up? I had hoped for a way to say "this is the thread/runnable that I want you to execute, this is how many I want running, GO!". Is there such a method of doing this? Is something other than a fixed thread pool better suited?

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• How do I get the IPv4 subnetmask on interface with both v4 and v6 address?

  - by Per Fagrell

  I have an InterfaceAddress that returns an ipv4 address (4 octets). However the network prefix length seems to be for the ipv6 address associated with the interface (it's returning as 128). How do I find the correct network prefix length? Enumeration<NetworkInterface> NetworkInterface.getNetworkInterfaces() for (; interfaces.hasMoreElements();) { final List<InterfaceAddress>interfaceAddresses = interfaces.nextElement().getInterfaceAddresses(); for (final InterfaceAddress address : interfaceAddresses) { assert(address.getAddress().getAddress().length == 4); // [sic] assert(address.getNetworkPrefixLength() < 32); // <- Fails. Actually equals 128 } }

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• Rendering UML diagrams from text files

  - by Per Ersson

  Is there any good tool or tool-chain that allows UML images in the .svg format to be created from a textual source file? The reason for this question is that I want to automate the generation of these images to avoid having to manually create and update this set of images.

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• Macbook OSX applications crashing on startup

  - by Ryan Doom

  Closed my computer last night, went home. Opened it and it had restarted. Now when I open a couple programs such as Adobe Fireworks or Appcelerator Titanium they throw up a nasty error like below. Other programs (Chrome, Firefox, Textmate, Versions) works fine. Any thoughts on this? I haven't owned my Macbook long so I'm not even aware of the right tools or places to look to track this down. Any help would be most appreciated. It's making it hard to get my work done :] If it helps at all both those programs were probably open when it restarted. From the look of it I'm not sure if it's a permissions error or something? I completely re-installed on of the applications Titanium. Didn't seem to help. Process: Adobe Fireworks CS5 [1044] Path: /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/Adobe Fireworks CS5 Identifier: com.macromedia.fireworks Version: Adobe Fireworks CS5 version 11.0.0.484 (11.0.0) Code Type: X86 (Native) Parent Process: launchd [87] Date/Time: 2011-02-18 09:45:47.689 -0500 OS Version: Mac OS X 10.6.6 (10J567) Report Version: 6 Interval Since Last Report: 12983 sec Crashes Since Last Report: 6 Per-App Interval Since Last Report: 325365 sec Per-App Crashes Since Last Report: 4 Anonymous UUID: D16EAFE7-2F04-44D4-A984-5902A6EF8943 Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000b0327ff8 Crashed Thread: 7 Thread 0: Dispatch queue: com.apple.main-thread 0 libSystem.B.dylib 0x97dd0142 semaphore_wait_signal_trap + 10 1 libSystem.B.dylib 0x97dd5c46 pthread_mutex_lock + 490 2 libstdc++.6.dylib 0x91887559 __gnu_cxx::__recursive_mutex::lock() + 17 3 libstdc++.6.dylib 0x918874e6 __cxa_guard_acquire + 68 4 libTrueTypeScaler.dylib 0x91c92ab3 TTScalerInfo() + 50 5 libFontParser.dylib 0x9979a5f1 TTrueTypeScaler::CreateTrueTypeScaler() + 43 6 libSystem.B.dylib 0x97dee900 pthread_once + 82 7 libFontParser.dylib 0x9979a575 TTrueTypeScaler::GetTrueTypeScaler() + 47 8 libFontParser.dylib 0x9979a520 TTrueTypeScaler::TTrueTypeScaler(TScalerStrike const&) + 26 9 libFontParser.dylib 0x9979a4be TFontScaler::CreateFontScaler(TScalerStrike const&) + 52 10 libFontParser.dylib 0x9979bd93 FPFontGetGlyphsForUnichars + 344 11 com.apple.CoreText 0x98255cfe TBaseFont::CalculateFontMetrics(bool) const + 342 12 com.apple.CoreText 0x98255b55 TBaseFont::InitFontMetrics() const + 51 13 com.apple.CoreText 0x98255959 TBaseFont::GetStrikeMetrics(float, CGAffineTransform const*, bool) const + 81 14 com.apple.CoreText 0x982558cd TFont::InitStrikeMetrics() const + 55 15 com.apple.CoreText 0x982592cf CTFontGetAscent + 49 16 com.apple.AppKit 0x989f5d08 _NSFontInstanceInfoInitializeMetricsInfo + 48 17 com.apple.AppKit 0x989f5cbc -[_NSSharedFontInstanceInfo _defaultLineHeight:] + 40 18 com.apple.AppKit 0x98f3c5e8 +[NSStringDrawingTextStorage _fastDrawString:attributes:length:inRect:graphicsContext:baselineRendering:usesFontLeading:usesScreenFont:typesetterBehavior:paragraphStyle:lineBreakMode:boundingRect:padding:scrollable:] + 2041 19 com.apple.AppKit 0x98abd2d9 _NSStringDrawingCore + 1555 20 com.apple.AppKit 0x98abca8b _NSDrawTextCell + 3465 21 com.apple.AppKit 0x98ac6185 -[NSTextFieldCell drawInteriorWithFrame:inView:] + 764 22 com.apple.AppKit 0x98ac5d26 -[NSTextFieldCell drawWithFrame:inView:] + 816 23 com.apple.AppKit 0x98ac03de -[NSControl drawRect:] + 589 24 com.apple.AppKit 0x98ab882a -[NSView _drawRect:clip:] + 3510 25 com.apple.AppKit 0x98ab74c8 -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1600 26 com.apple.AppKit 0x98ab77fd -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2421 27 com.apple.AppKit 0x98ab77fd -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2421 28 com.apple.AppKit 0x98ab59e7 -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 711 29 com.apple.AppKit 0x98b54aa3 -[NSNextStepFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 311 30 com.apple.AppKit 0x98ab1ea2 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 3309 31 com.apple.AppKit 0x98a12a57 -[NSView displayIfNeeded] + 818 32 com.apple.AppKit 0x989c6661 -[NSNextStepFrame displayIfNeeded] + 98 33 com.apple.AppKit 0x98b55390 -[NSWindow display] + 75 34 com.macromedia.fireworks 0x00bade98 0x1000 + 12242584 35 com.macromedia.fireworks 0x0089f778 0x1000 + 9037688 36 libPowerPlant2.dylib 0x08109722 FW_PowerPlant::LCarbonApp::Run() + 54 37 com.macromedia.fireworks 0x008a138c 0x1000 + 9044876 38 com.macromedia.fireworks 0x00003596 0x1000 + 9622 Thread 1: Dispatch queue: com.apple.libdispatch-manager 0 libSystem.B.dylib 0x97df6982 kevent + 10 1 libSystem.B.dylib 0x97df709c _dispatch_mgr_invoke + 215 2 libSystem.B.dylib 0x97df6559 _dispatch_queue_invoke + 163 3 libSystem.B.dylib 0x97df62fe _dispatch_worker_thread2 + 240 4 libSystem.B.dylib 0x97df5d81 _pthread_wqthread + 390 5 libSystem.B.dylib 0x97df5bc6 start_wqthread + 30 Thread 2: 0 libSystem.B.dylib 0x97df5a12 __workq_kernreturn + 10 1 libSystem.B.dylib 0x97df5fa8 _pthread_wqthread + 941 2 libSystem.B.dylib 0x97df5bc6 start_wqthread + 30 Thread 3: 0 libSystem.B.dylib 0x97dd015a semaphore_timedwait_signal_trap + 10 1 libSystem.B.dylib 0x97dfdce5 _pthread_cond_wait + 1066 2 libSystem.B.dylib 0x97e2cac8 pthread_cond_timedwait_relative_np + 47 3 ...ple.CoreServices.CarbonCore 0x97af4ecd TSWaitOnConditionTimedRelative + 242 4 ...ple.CoreServices.CarbonCore 0x97af4c0b TSWaitOnSemaphoreCommon + 511 5 ...ple.CoreServices.CarbonCore 0x97b18e33 TimerThread + 97 6 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 7 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 4: 0 libSystem.B.dylib 0x97dd00fa mach_msg_trap + 10 1 libSystem.B.dylib 0x97dd0867 mach_msg + 68 2 ...ple.CoreServices.CarbonCore 0x97b9e0d0 YieldToThread + 446 3 ...ple.CoreServices.CarbonCore 0x97b9e1d3 SetThreadState + 134 4 ...ple.CoreServices.CarbonCore 0x97b9e28e SetThreadStateEndCritical + 111 5 libPowerPlant2.dylib 0x0811ab51 FW_PowerPlant::LThread::SemWait(FW_PowerPlant::LSemaphore*, long, QHdr&, unsigned char&) + 119 6 libPowerPlant2.dylib 0x08119b07 FW_PowerPlant::LSemaphore::BlockThread(long) + 61 7 libPowerPlant2.dylib 0x08119b6d FW_PowerPlant::LSemaphore::Wait(long) + 71 8 libPowerPlant2.dylib 0x0811af70 FW_PowerPlant::LThread::Cleanup::Run() + 32 9 libPowerPlant2.dylib 0x0811b94e FW_PowerPlant::LThread::DoEntry(void*) + 30 10 ...ple.CoreServices.CarbonCore 0x97b9e85f CooperativeThread + 309 11 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 12 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 5: 0 libSystem.B.dylib 0x97dd0142 semaphore_wait_signal_trap + 10 1 libSystem.B.dylib 0x97dfdcfc _pthread_cond_wait + 1089 2 libSystem.B.dylib 0x97e4646f pthread_cond_wait + 48 3 com.adobe.amt.services 0x1dd73126 AMTConditionLock::LockWhenCondition(int) + 46 4 com.adobe.amt.services 0x1dd6bdb0 _AMTThreadedPCDService::PCDThreadWorker(_AMTThreadedPCDService*) + 116 5 com.adobe.amt.services 0x1dd7318c AMTThread::Worker(void*) + 24 6 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 7 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 6: 0 libSystem.B.dylib 0x97dfe0a6 __semwait_signal + 10 1 libSystem.B.dylib 0x97dfdd62 _pthread_cond_wait + 1191 2 libSystem.B.dylib 0x97dff9f8 pthread_cond_wait$UNIX2003 + 73 3 ...ple.CoreServices.CarbonCore 0x97b0951e TSWaitOnCondition + 126 4 ...ple.CoreServices.CarbonCore 0x97af4ea5 TSWaitOnConditionTimedRelative + 202 5 ...ple.CoreServices.CarbonCore 0x97af0873 MPWaitOnQueue + 250 6 com.macromedia.fireworks 0x00ae43cf 0x1000 + 11416527 7 ...ple.CoreServices.CarbonCore 0x97ad485a PrivateMPEntryPoint + 68 8 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 9 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 7 Crashed: 0 libstdc++.6.dylib 0x9184e00c std::basic_ofstream ::open(char const*, std::_Ios_Openmode) + 16 1 libstdc++.6.dylib 0x9184fe9b std::basic_ifstream ::basic_ifstream(char const*, std::_Ios_Openmode) + 211 2 ...pdaterNotificationFramework 0x1e824779 ESDifstream::ESDifstream(std::string const&, char const*, std::_Ios_Openmode) + 73 3 ...pdaterNotificationFramework 0x1e821b6a esd::ExpatDOMBuilder::ParseFile(std::string const&, bool) + 96 4 ...pdaterNotificationFramework 0x1e822da4 esd::PrefsWriter::SetPrefsPath(std::string const&) + 206 5 ...pdaterNotificationFramework 0x1e8449b3 AdobeUpdaterPrefs::AdobeUpdaterPrefs() + 8609 6 ...pdaterNotificationFramework 0x1e8459f4 AdobeUpdaterPrefs::GetAdobeUpdaterPrefs() + 68 7 ...pdaterNotificationFramework 0x1e820728 UpdaterNotificationsImpl::InitLogFile() + 48 8 ...pdaterNotificationFramework 0x1e820d49 UpdaterNotificationsImpl::Instance() + 53 9 ...pdaterNotificationFramework 0x1e823638 UpdaterNotificationsIsUpdaterEnabled + 22 10 com.adobe.amt.services 0x1dd69d15 _AMTAUMService::IsUpdaterEnabled(T_CSUStatusMajor*, int*) + 359 11 com.adobe.amtlib 0x01f5501c AMTAUMServiceIsUpdaterEnabled + 290 12 com.adobe.amtlib 0x01f1f789 AMTImpl::CallMenuEnablers() + 71 13 com.adobe.amtlib 0x01f260fa AMTImpl::DoLaunchWorkflow(AMTImpl::LaunchSequence) + 1664 14 com.adobe.amtlib 0x01f26a5d AMTImpl::DoValidateWorkflow(AMTImpl::LaunchSequence) + 293 15 com.adobe.amtlib 0x01f26cf5 AMTImpl::DoPreValidateWorkflow() + 119 16 com.adobe.amtlib 0x01f26e71 AMTImpl::ServiceLoaderThread(void*) + 45 17 com.adobe.amtlib 0x01f54c48 AMTThread::Worker(void*) + 24 18 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 19 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 7 crashed with X86 Thread State (32-bit): eax: 0x00000016 ebx: 0x098c9a00 ecx: 0xa013dfc0 edx: 0x00000003 edi: 0x098c9a08 esi: 0x098c9c0c ebp: 0xb03a7448 esp: 0xb0327ff0 ss: 0x0000001f efl: 0x00010202 eip: 0x9184e00c cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037 cr2: 0xb0327ff8 Binary Images: 0x1000 - 0x1448ff1 +com.macromedia.fireworks Adobe Fireworks CS5 version 11.0.0.484 (11.0.0) <38213EBD-FDB0-FC20-40E8-87935A5386BB /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/Adobe Fireworks CS5 0x1e76000 - 0x1ec9ffb +com.adobe.headlights.LogSessionFramework ??? (2.0.1.011) <4F2BFF03-01D2-A07D-E5E2-7F88D4C2DEC4 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/LogSession.framework/Versions/A/LogSession 0x1f11000 - 0x1f77ffb +com.adobe.amtlib amtlib 3.0.0.64 (3.0.0.64) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/amtlib.framework/Versions/A/amtlib 0x1fa7000 - 0x2146fe7 +com.adobe.owl AdobeOwl version 3.0.81 (3.0.81) <9C261D9E-9BD7-5DE6-5676-AEEF4828D17B /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeOwl.framework/Versions/A/AdobeOwl 0x21af000 - 0x22e7fe7 +WRServices ??? (???) <52CE5B97-1E6A-92A2-EA70-93511AB7EA2E /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/WRServices.framework/Versions/A/WRServices 0x232d000 - 0x239afef +FileInfo ??? (???) <4A4C74F9-CA83-B174-F56D-F7671DC61389 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/FileInfo.framework/Versions/A/FileInfo 0x23b5000 - 0x23dbff6 +AdobeAXE8SharedExpat ??? (???) <5848BBCE-3A3E-66EE-5527-97A96F0CA4CC /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAXE8SharedExpat.framework/Versions/A/AdobeAXE8SharedExpat 0x23ec000 - 0x2407fff +AdobeBIB ??? (???) <3B3092DC-A296-9D1C-1922-D20E6A5A7D7E /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeBIB.framework/Versions/A/AdobeBIB 0x2411000 - 0x2469ff7 +AdobeXMP ??? (???) <73329999-C364-2451-6574-4D0277057D19 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeXMP.framework/Versions/A/AdobeXMP 0x2478000 - 0x2aa6fe7 +AdobeAGM ??? (???) <91D37E54-E985-47E1-2696-0BD7E4183132 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAGM.framework/Versions/A/AdobeAGM 0x2c04000 - 0x2d18fff +AdobeACE ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeACE.framework/Versions/A/AdobeACE 0x2d3b000 - 0x302dff7 +AdobeCoolType ??? (???) <9FDD596D-9824-2BB9-5DA2-25DACAB6A324 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeCoolType.framework/Versions/A/AdobeCoolType 0x30b5000 - 0x30d6ff7 +AdobeBIBUtils ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeBIBUtils.framework/Versions/A/AdobeBIBUtils 0x30e2000 - 0x311efff +AdobeARE ??? (???) <76851E91-2381-5D05-742C-BB24E4BAD276 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeARE.framework/Versions/A/AdobeARE 0x3127000 - 0x34ffff7 +AdobeMPS ??? (???) <13614867-4D80-EB74-FA7F-6136492478BA /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeMPS.framework/Versions/A/AdobeMPS 0x362e000 - 0x3c62feb +AdobePDFL ??? (???) <49D6D58A-1EBB-424A-4CB0-8F9691E0991D /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePDFL.framework/Versions/A/AdobePDFL 0x3d8e000 - 0x4ad1fff +com.adobe.psl AdobePSL 12.0.0.7524 (12.0.0.7524) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePSL.framework/Versions/A/AdobePSL 0x4e10000 - 0x4e9aff7 +com.adobe.AdobeScCore ScCore 4.1.7 (4.1.7.5522) <053A109E-3E3E-D3EE-7186-4920D927D2AD /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeScCore.framework/Versions/A/AdobeScCore 0x4edd000 - 0x4fc0fef +AdobePDFPort ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePDFPort.framework/Versions/A/AdobePDFPort 0x4ff5000 - 0x4ff8ff8 +com.adobe.ape.shim adbeape version 3.1.65.7508 (3.1.65.7508) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/adbeape.framework/Versions/A/adbeape 0x4ffe000 - 0x508fff7 +libicucnv.dylib.36.0 36.0.0 (compatibility 36.0.0) <581475CC-C039-1B42-49BA-71811D8B4E15 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUConverter.framework/Versions/3.6/libicucnv.dylib.36.0 0x50ae000 - 0x5a5efff +libicudata.dylib.36.0 36.0.0 (compatibility 36.0.0) <02108DEA-3DD2-14BE-DAEB-BE522B619C1D /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUData.framework/Versions/3.6/libicudata.dylib.36.0 0x5a61000 - 0x5b2eff3 +libicui18n.dylib.36.0 36.0.0 (compatibility 36.0.0) <08F15219-7F35-574E-7725-1ACAA1B18A00 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUInternationalization.framework/Versions/3.6/libicui18n.dylib.36.0 0x5b91000 - 0x5c6bfef +libicuuc.dylib.36.0 36.0.0 (compatibility 36.0.0) <5EE72009-40B3-7FB7-3A49-576AEDE0D400 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUUnicode.framework/Versions/3.6/libicuuc.dylib.36.0 0x5cab000 - 0x6a36fe7 +com.adobe.illustrator 382 (15.0.0) <64F68532-0311-6BBA-1F50-246CAF917549 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AILib.framework/Versions/A/AILib 0x781b000 - 0x785ffff +com.adobe.illustrator.aiport AIPort version 1.0 (1.0) <69EDC44E-D7BB-A259-282D-C42725AE0E26 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AIPort.framework/Versions/A/AIPort 0x78c2000 - 0x7908fff +FilterPort ??? (???) <23FAE9D1-9376-1E71-21F7-D3EB2BFD50EE /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/FilterPort.framework/Versions/A/FilterPort 0x797d000 - 0x797dfff +SPBasic ??? (???) <5D1760D8-C910-C641-0BC9-CF74A1A5190D /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/SPBasic.framework/Versions/A/SPBasic 0x7981000 - 0x7b67ff7 +com.adobe.linguistic.LinguisticManager 5.0.0 (11309) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeLinguistic.framework/Versions/3/AdobeLinguistic 0x7bf5000 - 0x7cc2fe7 +AdobeAXEDOMCore ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAXEDOMCore.framework/Versions/A/AdobeAXEDOMCore 0x7d31000 - 0x7ea9ffb +com.adobe.PlugPlug 2.0.0.746 (2.0.0.746) <08AD22E3-34C0-6749-E497-616C66A246AD /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/PlugPlug.framework/Versions/A/PlugPlug 0x7f4d000 - 0x7f6afef +libCurl.dylib ??? (???) <1BA6E2DE-EF14-D50A-4697-035AE07875D7 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libCurl.dylib 0x7f72000 - 0x7f88ff4 +libChar16.dylib ??? (???) <19B0479C-72B1-EE14-6385-7F655DEC0F02 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libChar16.dylib 0x7f90000 - 0x7fb3fe0 +libCoreTypes.dylib ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libCoreTypes.dylib 0x7fc3000 - 0x7fcaffc com.apple.carbonframeworktemplate 1.0 (1.0) <0D270CC7-B715-943E-2B4F-5C9B5775505A /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/NetIO.framework/Versions/A/NetIO 0x7fd6000 - 0x7fd9fff +Dioxide.dylib ??? (???) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Dioxide.dylib 0x7fe1000 - 0x7fe7ffc +libfwutility.dylib ??? (???) <6A723D9E-A60B-56EE-2B8D-B91991793749 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libfwutility.dylib 0x7fee000 - 0x803efff +com.macromedia.javascript Javascript version 1.0 (1.0) <540CB029-3946-8E41-BD91-AED6F73C86B7 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Javascript.framework/Versions/A/Javascript 0x8053000 - 0x8060fff +com.macromedia.moa Moa version 1.0 (1.0) <3C4B7F42-5A5D-78E7-B1DC-DAA06A99CCB2 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Moa.framework/Versions/A/Moa 0x8069000 - 0x8070fff +com.macromedia.morefiles MoreFiles version 1.0 (1.0) <36115C66-79A3-5DB9-B36B-8D655B46FC76 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/MoreFiles.framework/Versions/A/MoreFiles 0x8077000 - 0x815bfe3 +libPowerPlant2.dylib ??? (???) <964FB3D7-B7EE-94EB-FD95-4AE90C657A4A /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libPowerPlant2.dylib 0x828e000 - 0x8294ffb +com.macromedia.testframework 1.0 (1.0) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/uwchar.framework/Versions/A/uwchar 0x8298000 - 0x829cffc +com.adobe.AdobeCrashReporter 3.0 (3.0.20100302) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeCrashReporter.framework/Versions/A/AdobeCrashReporter 0x82a3000 - 0x82bbfef +libgiff.dylib ??? (???) <8F90552B-3D11-2B1E-D1BA-A109FEB99969 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libgiff.dylib 0x82c3000 - 0x82e1fe7 +com.macromedia.png LibPNG version 1.0 (1.0) <2DBA0A3F-4F01-7474-0FED-3021382D635F /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/LibPNG.framework/Versions/A/LibPNG 0x82e9000 - 0x82f7feb +com.macromedia.zlib ZLib version 1.0 (1.0) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ZLib.framework/Versions/A/ZLib 0x82fc000 - 0x8300ffd +com.yourcompany.yourcocoaframework ??? (1.0) <7EF7A82E-0AAE-0022-3B15-7C50F1C550C1 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ASEFramework.framework/Versions/A/ASEFramework 0x8305000 - 0x830cff2 +com.adobe.boost_threads.framework boost_threads version 5.0.0 (5.0.0.0) /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_threads.framework/Versions/A/boost_threads 0x831c000 - 0x8322fef +com.adobe.boost_date_time.framework boost_date_time version 5.0.0 (5.0.0.0) <8837A972-1EBE-CAA9-473A-CD157F17163D /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_date_time.framework/Versions/A/boost_date_time 0x8333000 - 0x83b0fff +AdobeOwlCanvas ??? (???) <65B2E680-4F43-BE46-2290-3500758D1BF7 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeOwlCanvas.framework/Versions/A/AdobeOwlCanvas 0x83cc000 - 0x83d7ff3 +com.adobe.boost_filesystem.framework boost_filesystem version 5.0.0 (5.0.0.0) <90B8B4E3-6C44-D110-1545-1A34EB14B22D /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_filesystem.framework/Versions/A/boost_filesystem 0x83eb000 - 0x83edffb +com.adobe.boost_system.framework boost_system version 5.0.0 (5.0.0.0) <0C4D56E8-9593-4C4A-4A7E-BEAEDE1CA131 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_system.framework/Versions/A/boost_system ... E86745B94A4B /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib 0x9984a000 - 0x9989aff7 com.apple.framework.familycontrols 2.0.2 (2020) /System/Library/PrivateFrameworks/FamilyControls.framework/Versions/A/FamilyControls 0x99a6e000 - 0x99a6fff7 com.apple.audio.units.AudioUnit 1.6.5 (1.6.5) /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit 0x99a72000 - 0x99a86ffb com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <9F5CE4F7-D05C-8C14-4B76-E43D07A8A680 /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis 0xb0000000 - 0xb000fff8 +com.adobe.ahclientframework 1.5.0.30 (1.5.0.30) <24B39C2F-79B0-BDE3-C6D0-1F0E943070C7 /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ahclient.framework/Versions/A/ahclient 0xffff0000 - 0xffff1fff libSystem.B.dylib ??? (???) <62291026-D016-705D-DC1E-FC2B09D47DE5 /usr/lib/libSystem.B.dylib

  Read the article

• MacBook OS X applications crashing on startup

  - by Ryan Doom

  Closed my computer last night, went home. Opened it and it had restarted. Now when I open a couple programs such as Adobe Fireworks or Appcelerator Titanium they throw up a nasty error like below. Other programs (Chrome, Firefox, Textmate, Versions) work fine. Any thoughts on this? I haven't owned my MacBook long so I'm not even aware of the right tools or places to look to track this down. Any help would be most appreciated. It's making it hard to get my work done :] If it helps at all both those programs were probably open when it restarted. From the look of it I'm not sure if it's a permissions error or something? I completely re-installed one of the applications (Appcelerator Titanium). Didn't seem to help. Process: Adobe Fireworks CS5 [1044] Path: /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/Adobe Fireworks CS5 Identifier: com.macromedia.fireworks Version: Adobe Fireworks CS5 version 11.0.0.484 (11.0.0) Code Type: X86 (Native) Parent Process: launchd [87] Date/Time: 2011-02-18 09:45:47.689 -0500 OS Version: Mac OS X 10.6.6 (10J567) Report Version: 6 Interval Since Last Report: 12983 sec Crashes Since Last Report: 6 Per-App Interval Since Last Report: 325365 sec Per-App Crashes Since Last Report: 4 Anonymous UUID: D16EAFE7-2F04-44D4-A984-5902A6EF8943 Exception Type: EXC_BAD_ACCESS (SIGBUS) Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000b0327ff8 Crashed Thread: 7 Thread 0: Dispatch queue: com.apple.main-thread 0 libSystem.B.dylib 0x97dd0142 semaphore_wait_signal_trap + 10 1 libSystem.B.dylib 0x97dd5c46 pthread_mutex_lock + 490 2 libstdc++.6.dylib 0x91887559 __gnu_cxx::__recursive_mutex::lock() + 17 3 libstdc++.6.dylib 0x918874e6 __cxa_guard_acquire + 68 4 libTrueTypeScaler.dylib 0x91c92ab3 TTScalerInfo() + 50 5 libFontParser.dylib 0x9979a5f1 TTrueTypeScaler::CreateTrueTypeScaler() + 43 6 libSystem.B.dylib 0x97dee900 pthread_once + 82 7 libFontParser.dylib 0x9979a575 TTrueTypeScaler::GetTrueTypeScaler() + 47 8 libFontParser.dylib 0x9979a520 TTrueTypeScaler::TTrueTypeScaler(TScalerStrike const&) + 26 9 libFontParser.dylib 0x9979a4be TFontScaler::CreateFontScaler(TScalerStrike const&) + 52 10 libFontParser.dylib 0x9979bd93 FPFontGetGlyphsForUnichars + 344 11 com.apple.CoreText 0x98255cfe TBaseFont::CalculateFontMetrics(bool) const + 342 12 com.apple.CoreText 0x98255b55 TBaseFont::InitFontMetrics() const + 51 13 com.apple.CoreText 0x98255959 TBaseFont::GetStrikeMetrics(float, CGAffineTransform const*, bool) const + 81 14 com.apple.CoreText 0x982558cd TFont::InitStrikeMetrics() const + 55 15 com.apple.CoreText 0x982592cf CTFontGetAscent + 49 16 com.apple.AppKit 0x989f5d08 __NSFontInstanceInfoInitializeMetricsInfo + 48 17 com.apple.AppKit 0x989f5cbc -[__NSSharedFontInstanceInfo _defaultLineHeight:] + 40 18 com.apple.AppKit 0x98f3c5e8 +[NSStringDrawingTextStorage _fastDrawString:attributes:length:inRect:graphicsContext:baselineRendering:usesFontLeading:usesScreenFont:typesetterBehavior:paragraphStyle:lineBreakMode:boundingRect:padding:scrollable:] + 2041 19 com.apple.AppKit 0x98abd2d9 _NSStringDrawingCore + 1555 20 com.apple.AppKit 0x98abca8b _NSDrawTextCell + 3465 21 com.apple.AppKit 0x98ac6185 -[NSTextFieldCell drawInteriorWithFrame:inView:] + 764 22 com.apple.AppKit 0x98ac5d26 -[NSTextFieldCell drawWithFrame:inView:] + 816 23 com.apple.AppKit 0x98ac03de -[NSControl drawRect:] + 589 24 com.apple.AppKit 0x98ab882a -[NSView _drawRect:clip:] + 3510 25 com.apple.AppKit 0x98ab74c8 -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1600 26 com.apple.AppKit 0x98ab77fd -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2421 27 com.apple.AppKit 0x98ab77fd -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2421 28 com.apple.AppKit 0x98ab59e7 -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 711 29 com.apple.AppKit 0x98b54aa3 -[NSNextStepFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 311 30 com.apple.AppKit 0x98ab1ea2 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 3309 31 com.apple.AppKit 0x98a12a57 -[NSView displayIfNeeded] + 818 32 com.apple.AppKit 0x989c6661 -[NSNextStepFrame displayIfNeeded] + 98 33 com.apple.AppKit 0x98b55390 -[NSWindow display] + 75 34 com.macromedia.fireworks 0x00bade98 0x1000 + 12242584 35 com.macromedia.fireworks 0x0089f778 0x1000 + 9037688 36 libPowerPlant2.dylib 0x08109722 FW_PowerPlant::LCarbonApp::Run() + 54 37 com.macromedia.fireworks 0x008a138c 0x1000 + 9044876 38 com.macromedia.fireworks 0x00003596 0x1000 + 9622 Thread 1: Dispatch queue: com.apple.libdispatch-manager 0 libSystem.B.dylib 0x97df6982 kevent + 10 1 libSystem.B.dylib 0x97df709c _dispatch_mgr_invoke + 215 2 libSystem.B.dylib 0x97df6559 _dispatch_queue_invoke + 163 3 libSystem.B.dylib 0x97df62fe _dispatch_worker_thread2 + 240 4 libSystem.B.dylib 0x97df5d81 _pthread_wqthread + 390 5 libSystem.B.dylib 0x97df5bc6 start_wqthread + 30 Thread 2: 0 libSystem.B.dylib 0x97df5a12 __workq_kernreturn + 10 1 libSystem.B.dylib 0x97df5fa8 _pthread_wqthread + 941 2 libSystem.B.dylib 0x97df5bc6 start_wqthread + 30 Thread 3: 0 libSystem.B.dylib 0x97dd015a semaphore_timedwait_signal_trap + 10 1 libSystem.B.dylib 0x97dfdce5 _pthread_cond_wait + 1066 2 libSystem.B.dylib 0x97e2cac8 pthread_cond_timedwait_relative_np + 47 3 ...ple.CoreServices.CarbonCore 0x97af4ecd TSWaitOnConditionTimedRelative + 242 4 ...ple.CoreServices.CarbonCore 0x97af4c0b TSWaitOnSemaphoreCommon + 511 5 ...ple.CoreServices.CarbonCore 0x97b18e33 TimerThread + 97 6 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 7 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 4: 0 libSystem.B.dylib 0x97dd00fa mach_msg_trap + 10 1 libSystem.B.dylib 0x97dd0867 mach_msg + 68 2 ...ple.CoreServices.CarbonCore 0x97b9e0d0 YieldToThread + 446 3 ...ple.CoreServices.CarbonCore 0x97b9e1d3 SetThreadState + 134 4 ...ple.CoreServices.CarbonCore 0x97b9e28e SetThreadStateEndCritical + 111 5 libPowerPlant2.dylib 0x0811ab51 FW_PowerPlant::LThread::SemWait(FW_PowerPlant::LSemaphore*, long, QHdr&, unsigned char&) + 119 6 libPowerPlant2.dylib 0x08119b07 FW_PowerPlant::LSemaphore::BlockThread(long) + 61 7 libPowerPlant2.dylib 0x08119b6d FW_PowerPlant::LSemaphore::Wait(long) + 71 8 libPowerPlant2.dylib 0x0811af70 FW_PowerPlant::LThread::Cleanup::Run() + 32 9 libPowerPlant2.dylib 0x0811b94e FW_PowerPlant::LThread::DoEntry(void*) + 30 10 ...ple.CoreServices.CarbonCore 0x97b9e85f CooperativeThread + 309 11 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 12 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 5: 0 libSystem.B.dylib 0x97dd0142 semaphore_wait_signal_trap + 10 1 libSystem.B.dylib 0x97dfdcfc _pthread_cond_wait + 1089 2 libSystem.B.dylib 0x97e4646f pthread_cond_wait + 48 3 com.adobe.amt.services 0x1dd73126 AMTConditionLock::LockWhenCondition(int) + 46 4 com.adobe.amt.services 0x1dd6bdb0 _AMTThreadedPCDService::PCDThreadWorker(_AMTThreadedPCDService*) + 116 5 com.adobe.amt.services 0x1dd7318c AMTThread::Worker(void*) + 24 6 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 7 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 6: 0 libSystem.B.dylib 0x97dfe0a6 __semwait_signal + 10 1 libSystem.B.dylib 0x97dfdd62 _pthread_cond_wait + 1191 2 libSystem.B.dylib 0x97dff9f8 pthread_cond_wait$UNIX2003 + 73 3 ...ple.CoreServices.CarbonCore 0x97b0951e TSWaitOnCondition + 126 4 ...ple.CoreServices.CarbonCore 0x97af4ea5 TSWaitOnConditionTimedRelative + 202 5 ...ple.CoreServices.CarbonCore 0x97af0873 MPWaitOnQueue + 250 6 com.macromedia.fireworks 0x00ae43cf 0x1000 + 11416527 7 ...ple.CoreServices.CarbonCore 0x97ad485a PrivateMPEntryPoint + 68 8 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 9 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 7 Crashed: 0 libstdc++.6.dylib 0x9184e00c std::basic_ofstream<char, std::char_traits<char> >::open(char const*, std::_Ios_Openmode) + 16 1 libstdc++.6.dylib 0x9184fe9b std::basic_ifstream<char, std::char_traits<char> >::basic_ifstream(char const*, std::_Ios_Openmode) + 211 2 ...pdaterNotificationFramework 0x1e824779 ESDifstream::ESDifstream(std::string const&, char const*, std::_Ios_Openmode) + 73 3 ...pdaterNotificationFramework 0x1e821b6a esd::ExpatDOMBuilder<esd::XMLDocumentNode>::ParseFile(std::string const&, bool) + 96 4 ...pdaterNotificationFramework 0x1e822da4 esd::PrefsWriter::SetPrefsPath(std::string const&) + 206 5 ...pdaterNotificationFramework 0x1e8449b3 AdobeUpdaterPrefs::AdobeUpdaterPrefs() + 8609 6 ...pdaterNotificationFramework 0x1e8459f4 AdobeUpdaterPrefs::GetAdobeUpdaterPrefs() + 68 7 ...pdaterNotificationFramework 0x1e820728 UpdaterNotificationsImpl::InitLogFile() + 48 8 ...pdaterNotificationFramework 0x1e820d49 UpdaterNotificationsImpl::Instance() + 53 9 ...pdaterNotificationFramework 0x1e823638 UpdaterNotificationsIsUpdaterEnabled + 22 10 com.adobe.amt.services 0x1dd69d15 _AMTAUMService::IsUpdaterEnabled(T_CSUStatusMajor*, int*) + 359 11 com.adobe.amtlib 0x01f5501c AMTAUMServiceIsUpdaterEnabled + 290 12 com.adobe.amtlib 0x01f1f789 AMTImpl::CallMenuEnablers() + 71 13 com.adobe.amtlib 0x01f260fa AMTImpl::DoLaunchWorkflow(AMTImpl::LaunchSequence) + 1664 14 com.adobe.amtlib 0x01f26a5d AMTImpl::DoValidateWorkflow(AMTImpl::LaunchSequence) + 293 15 com.adobe.amtlib 0x01f26cf5 AMTImpl::DoPreValidateWorkflow() + 119 16 com.adobe.amtlib 0x01f26e71 AMTImpl::ServiceLoaderThread(void*) + 45 17 com.adobe.amtlib 0x01f54c48 AMTThread::Worker(void*) + 24 18 libSystem.B.dylib 0x97dfd85d _pthread_start + 345 19 libSystem.B.dylib 0x97dfd6e2 thread_start + 34 Thread 7 crashed with X86 Thread State (32-bit): eax: 0x00000016 ebx: 0x098c9a00 ecx: 0xa013dfc0 edx: 0x00000003 edi: 0x098c9a08 esi: 0x098c9c0c ebp: 0xb03a7448 esp: 0xb0327ff0 ss: 0x0000001f efl: 0x00010202 eip: 0x9184e00c cs: 0x00000017 ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037 cr2: 0xb0327ff8 Binary Images: 0x1000 - 0x1448ff1 +com.macromedia.fireworks Adobe Fireworks CS5 version 11.0.0.484 (11.0.0) <38213EBD-FDB0-FC20-40E8-87935A5386BB> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/Adobe Fireworks CS5 0x1e76000 - 0x1ec9ffb +com.adobe.headlights.LogSessionFramework ??? (2.0.1.011) <4F2BFF03-01D2-A07D-E5E2-7F88D4C2DEC4> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/LogSession.framework/Versions/A/LogSession 0x1f11000 - 0x1f77ffb +com.adobe.amtlib amtlib 3.0.0.64 (3.0.0.64) <DD471011-9120-1BC2-F1B5-D6FF09D0859F> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/amtlib.framework/Versions/A/amtlib 0x1fa7000 - 0x2146fe7 +com.adobe.owl AdobeOwl version 3.0.81 (3.0.81) <9C261D9E-9BD7-5DE6-5676-AEEF4828D17B> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeOwl.framework/Versions/A/AdobeOwl 0x21af000 - 0x22e7fe7 +WRServices ??? (???) <52CE5B97-1E6A-92A2-EA70-93511AB7EA2E> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/WRServices.framework/Versions/A/WRServices 0x232d000 - 0x239afef +FileInfo ??? (???) <4A4C74F9-CA83-B174-F56D-F7671DC61389> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/FileInfo.framework/Versions/A/FileInfo 0x23b5000 - 0x23dbff6 +AdobeAXE8SharedExpat ??? (???) <5848BBCE-3A3E-66EE-5527-97A96F0CA4CC> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAXE8SharedExpat.framework/Versions/A/AdobeAXE8SharedExpat 0x23ec000 - 0x2407fff +AdobeBIB ??? (???) <3B3092DC-A296-9D1C-1922-D20E6A5A7D7E> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeBIB.framework/Versions/A/AdobeBIB 0x2411000 - 0x2469ff7 +AdobeXMP ??? (???) <73329999-C364-2451-6574-4D0277057D19> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeXMP.framework/Versions/A/AdobeXMP 0x2478000 - 0x2aa6fe7 +AdobeAGM ??? (???) <91D37E54-E985-47E1-2696-0BD7E4183132> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAGM.framework/Versions/A/AdobeAGM 0x2c04000 - 0x2d18fff +AdobeACE ??? (???) <DD291A17-ECF4-FE20-5837-AC1F5BC76940> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeACE.framework/Versions/A/AdobeACE 0x2d3b000 - 0x302dff7 +AdobeCoolType ??? (???) <9FDD596D-9824-2BB9-5DA2-25DACAB6A324> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeCoolType.framework/Versions/A/AdobeCoolType 0x30b5000 - 0x30d6ff7 +AdobeBIBUtils ??? (???) <E1FAA7A3-E807-DE5A-1F68-7A53780E8202> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeBIBUtils.framework/Versions/A/AdobeBIBUtils 0x30e2000 - 0x311efff +AdobeARE ??? (???) <76851E91-2381-5D05-742C-BB24E4BAD276> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeARE.framework/Versions/A/AdobeARE 0x3127000 - 0x34ffff7 +AdobeMPS ??? (???) <13614867-4D80-EB74-FA7F-6136492478BA> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeMPS.framework/Versions/A/AdobeMPS 0x362e000 - 0x3c62feb +AdobePDFL ??? (???) <49D6D58A-1EBB-424A-4CB0-8F9691E0991D> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePDFL.framework/Versions/A/AdobePDFL 0x3d8e000 - 0x4ad1fff +com.adobe.psl AdobePSL 12.0.0.7524 (12.0.0.7524) <CFBCB19A-03F7-D095-1F48-8D68F05A25C5> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePSL.framework/Versions/A/AdobePSL 0x4e10000 - 0x4e9aff7 +com.adobe.AdobeScCore ScCore 4.1.7 (4.1.7.5522) <053A109E-3E3E-D3EE-7186-4920D927D2AD> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeScCore.framework/Versions/A/AdobeScCore 0x4edd000 - 0x4fc0fef +AdobePDFPort ??? (???) <A2E6DCF7-283F-09E9-53AE-D5D84D020469> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobePDFPort.framework/Versions/A/AdobePDFPort 0x4ff5000 - 0x4ff8ff8 +com.adobe.ape.shim adbeape version 3.1.65.7508 (3.1.65.7508) <FFDDAB7A-220F-7344-F12B-010CA0C41DAB> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/adbeape.framework/Versions/A/adbeape 0x4ffe000 - 0x508fff7 +libicucnv.dylib.36.0 36.0.0 (compatibility 36.0.0) <581475CC-C039-1B42-49BA-71811D8B4E15> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUConverter.framework/Versions/3.6/libicucnv.dylib.36.0 0x50ae000 - 0x5a5efff +libicudata.dylib.36.0 36.0.0 (compatibility 36.0.0) <02108DEA-3DD2-14BE-DAEB-BE522B619C1D> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUData.framework/Versions/3.6/libicudata.dylib.36.0 0x5a61000 - 0x5b2eff3 +libicui18n.dylib.36.0 36.0.0 (compatibility 36.0.0) <08F15219-7F35-574E-7725-1ACAA1B18A00> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUInternationalization.framework/Versions/3.6/libicui18n.dylib.36.0 0x5b91000 - 0x5c6bfef +libicuuc.dylib.36.0 36.0.0 (compatibility 36.0.0) <5EE72009-40B3-7FB7-3A49-576AEDE0D400> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ICUUnicode.framework/Versions/3.6/libicuuc.dylib.36.0 0x5cab000 - 0x6a36fe7 +com.adobe.illustrator 382 (15.0.0) <64F68532-0311-6BBA-1F50-246CAF917549> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AILib.framework/Versions/A/AILib 0x781b000 - 0x785ffff +com.adobe.illustrator.aiport AIPort version 1.0 (1.0) <69EDC44E-D7BB-A259-282D-C42725AE0E26> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AIPort.framework/Versions/A/AIPort 0x78c2000 - 0x7908fff +FilterPort ??? (???) <23FAE9D1-9376-1E71-21F7-D3EB2BFD50EE> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/FilterPort.framework/Versions/A/FilterPort 0x797d000 - 0x797dfff +SPBasic ??? (???) <5D1760D8-C910-C641-0BC9-CF74A1A5190D> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/SPBasic.framework/Versions/A/SPBasic 0x7981000 - 0x7b67ff7 +com.adobe.linguistic.LinguisticManager 5.0.0 (11309) <CA1D50A3-F965-F8B2-76B9-007F290C5791> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeLinguistic.framework/Versions/3/AdobeLinguistic 0x7bf5000 - 0x7cc2fe7 +AdobeAXEDOMCore ??? (???) <F76D74DC-FD5A-9783-C447-2E58773DA7E1> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeAXEDOMCore.framework/Versions/A/AdobeAXEDOMCore 0x7d31000 - 0x7ea9ffb +com.adobe.PlugPlug 2.0.0.746 (2.0.0.746) <08AD22E3-34C0-6749-E497-616C66A246AD> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/PlugPlug.framework/Versions/A/PlugPlug 0x7f4d000 - 0x7f6afef +libCurl.dylib ??? (???) <1BA6E2DE-EF14-D50A-4697-035AE07875D7> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libCurl.dylib 0x7f72000 - 0x7f88ff4 +libChar16.dylib ??? (???) <19B0479C-72B1-EE14-6385-7F655DEC0F02> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libChar16.dylib 0x7f90000 - 0x7fb3fe0 +libCoreTypes.dylib ??? (???) <F5306147-FFBD-2826-D356-B26258DBFA09> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/MacOS/libCoreTypes.dylib 0x7fc3000 - 0x7fcaffc com.apple.carbonframeworktemplate 1.0 (1.0) <0D270CC7-B715-943E-2B4F-5C9B5775505A> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/NetIO.framework/Versions/A/NetIO 0x7fd6000 - 0x7fd9fff +Dioxide.dylib ??? (???) <BCE94F23-4CCA-20FB-79A8-DE7925879DCD> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Dioxide.dylib 0x7fe1000 - 0x7fe7ffc +libfwutility.dylib ??? (???) <6A723D9E-A60B-56EE-2B8D-B91991793749> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libfwutility.dylib 0x7fee000 - 0x803efff +com.macromedia.javascript Javascript version 1.0 (1.0) <540CB029-3946-8E41-BD91-AED6F73C86B7> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Javascript.framework/Versions/A/Javascript 0x8053000 - 0x8060fff +com.macromedia.moa Moa version 1.0 (1.0) <3C4B7F42-5A5D-78E7-B1DC-DAA06A99CCB2> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/Moa.framework/Versions/A/Moa 0x8069000 - 0x8070fff +com.macromedia.morefiles MoreFiles version 1.0 (1.0) <36115C66-79A3-5DB9-B36B-8D655B46FC76> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/MoreFiles.framework/Versions/A/MoreFiles 0x8077000 - 0x815bfe3 +libPowerPlant2.dylib ??? (???) <964FB3D7-B7EE-94EB-FD95-4AE90C657A4A> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libPowerPlant2.dylib 0x828e000 - 0x8294ffb +com.macromedia.testframework 1.0 (1.0) <ED14FA00-1C6F-D433-1EEB-833BB4402B2B> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/uwchar.framework/Versions/A/uwchar 0x8298000 - 0x829cffc +com.adobe.AdobeCrashReporter 3.0 (3.0.20100302) <E6437929-0E69-8A56-E69F-F64305E82DD9> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeCrashReporter.framework/Versions/A/AdobeCrashReporter 0x82a3000 - 0x82bbfef +libgiff.dylib ??? (???) <8F90552B-3D11-2B1E-D1BA-A109FEB99969> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/libgiff.dylib 0x82c3000 - 0x82e1fe7 +com.macromedia.png LibPNG version 1.0 (1.0) <2DBA0A3F-4F01-7474-0FED-3021382D635F> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/LibPNG.framework/Versions/A/LibPNG 0x82e9000 - 0x82f7feb +com.macromedia.zlib ZLib version 1.0 (1.0) <EEA4CFAF-A748-FA72-91F0-ADE7A1BE9FA7> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ZLib.framework/Versions/A/ZLib 0x82fc000 - 0x8300ffd +com.yourcompany.yourcocoaframework ??? (1.0) <7EF7A82E-0AAE-0022-3B15-7C50F1C550C1> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ASEFramework.framework/Versions/A/ASEFramework 0x8305000 - 0x830cff2 +com.adobe.boost_threads.framework boost_threads version 5.0.0 (5.0.0.0) <F966C78A-3CC1-8678-B3B7-B0A2B118343A> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_threads.framework/Versions/A/boost_threads 0x831c000 - 0x8322fef +com.adobe.boost_date_time.framework boost_date_time version 5.0.0 (5.0.0.0) <8837A972-1EBE-CAA9-473A-CD157F17163D> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_date_time.framework/Versions/A/boost_date_time 0x8333000 - 0x83b0fff +AdobeOwlCanvas ??? (???) <65B2E680-4F43-BE46-2290-3500758D1BF7> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/AdobeOwlCanvas.framework/Versions/A/AdobeOwlCanvas 0x83cc000 - 0x83d7ff3 +com.adobe.boost_filesystem.framework boost_filesystem version 5.0.0 (5.0.0.0) <90B8B4E3-6C44-D110-1545-1A34EB14B22D> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_filesystem.framework/Versions/A/boost_filesystem 0x83eb000 - 0x83edffb +com.adobe.boost_system.framework boost_system version 5.0.0 (5.0.0.0) <0C4D56E8-9593-4C4A-4A7E-BEAEDE1CA131> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/boost_system.framework/Versions/A/boost_system ... E86745B94A4B> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib 0x9984a000 - 0x9989aff7 com.apple.framework.familycontrols 2.0.2 (2020) <AF7F86F1-F7BF-CBA8-7A4A-D8F7A19F9601> /System/Library/PrivateFrameworks/FamilyControls.framework/Versions/A/FamilyControls 0x99a6e000 - 0x99a6fff7 com.apple.audio.units.AudioUnit 1.6.5 (1.6.5) <BE4C2495-B758-AD22-DCC0-56A6791E948E> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit 0x99a72000 - 0x99a86ffb com.apple.speech.synthesis.framework 3.10.35 (3.10.35) <9F5CE4F7-D05C-8C14-4B76-E43D07A8A680> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis 0xb0000000 - 0xb000fff8 +com.adobe.ahclientframework 1.5.0.30 (1.5.0.30) <24B39C2F-79B0-BDE3-C6D0-1F0E943070C7> /Applications/Adobe Fireworks CS5/Adobe Fireworks CS5.app/Contents/Frameworks/ahclient.framework/Versions/A/ahclient 0xffff0000 - 0xffff1fff libSystem.B.dylib ??? (???) <62291026-D016-705D-DC1E-FC2B09D47DE5> /usr/lib/libSystem.B.dylib If you prefer, Here are the crashes on Pastebin: Crash 1 (Fireworks) Crash 2 (Appcelerator Titanium)

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• MySQL is running VERY slow

  - by user1032531

  I have two servers: a VPS and a laptop. I recently re-built both of them, and MySQL is running about 20 times slower on the laptop. Both servers used to run CentOS 5.8 and I think MySQL 5.1, and the laptop used to do great so I do not think it is the hardware. For the VPS, my provider installed CentOS 6.4, and then I installed MySQL 5.1.69 using yum with the CentOS repo. For the laptop, I installed CentOS 6.4 basic server and then installed MySQL 5.1.69 using yum with the CentOS repo. my.cnf for both servers are identical, and I have shown below. For both servers, I've also included below the output from SHOW VARIABLES; as well as output from sysbench, file system information, and cpu information. I have tried adding skip-name-resolve, but it didn't help. The matrix below shows the SHOW VARIABLES output from both servers which is different. Again, MySQL was installed the same way, so I do not know why it is different, but it is and I think this might be why the laptop is executing MySQL so slowly. Why is the laptop running MySQL slowly, and how do I fix it? Differences between SHOW VARIABLES on both servers +---------------------------+-----------------------+-------------------------+ | Variable | Value-VPS | Value-Laptop | +---------------------------+-----------------------+-------------------------+ | hostname | vps.site1.com | laptop.site2.com | | max_binlog_cache_size | 4294963200 | 18446744073709500000 | | max_seeks_for_key | 4294967295 | 18446744073709500000 | | max_write_lock_count | 4294967295 | 18446744073709500000 | | myisam_max_sort_file_size | 2146435072 | 9223372036853720000 | | myisam_mmap_size | 4294967295 | 18446744073709500000 | | plugin_dir | /usr/lib/mysql/plugin | /usr/lib64/mysql/plugin | | pseudo_thread_id | 7568 | 2 | | system_time_zone | EST | PDT | | thread_stack | 196608 | 262144 | | timestamp | 1372252112 | 1372252046 | | version_compile_machine | i386 | x86_64 | +---------------------------+-----------------------+-------------------------+ my.cnf for both servers [root@server1 ~]# cat /etc/my.cnf [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid innodb_strict_mode=on sql_mode=TRADITIONAL # sql_mode=STRICT_TRANS_TABLES,NO_ZERO_DATE,NO_ZERO_IN_DATE character-set-server=utf8 collation-server=utf8_general_ci log=/var/log/mysqld_all.log [root@server1 ~]# VPS SHOW VARIABLES Info Same as Laptop shown below but changes per above matrix (removed to allow me to be under the 30000 characters as required by ServerFault) Laptop SHOW VARIABLES Info auto_increment_increment 1 auto_increment_offset 1 autocommit ON automatic_sp_privileges ON back_log 50 basedir /usr/ big_tables OFF binlog_cache_size 32768 binlog_direct_non_transactional_updates OFF binlog_format STATEMENT bulk_insert_buffer_size 8388608 character_set_client utf8 character_set_connection utf8 character_set_database latin1 character_set_filesystem binary character_set_results utf8 character_set_server latin1 character_set_system utf8 character_sets_dir /usr/share/mysql/charsets/ collation_connection utf8_general_ci collation_database latin1_swedish_ci collation_server latin1_swedish_ci completion_type 0 concurrent_insert 1 connect_timeout 10 datadir /var/lib/mysql/ date_format %Y-%m-%d datetime_format %Y-%m-%d %H:%i:%s default_week_format 0 delay_key_write ON delayed_insert_limit 100 delayed_insert_timeout 300 delayed_queue_size 1000 div_precision_increment 4 engine_condition_pushdown ON error_count 0 event_scheduler OFF expire_logs_days 0 flush OFF flush_time 0 foreign_key_checks ON ft_boolean_syntax + -><()~*:""&| ft_max_word_len 84 ft_min_word_len 4 ft_query_expansion_limit 20 ft_stopword_file (built-in) general_log OFF general_log_file /var/run/mysqld/mysqld.log group_concat_max_len 1024 have_community_features YES have_compress YES have_crypt YES have_csv YES have_dynamic_loading YES have_geometry YES have_innodb YES have_ndbcluster NO have_openssl DISABLED have_partitioning YES have_query_cache YES have_rtree_keys YES have_ssl DISABLED have_symlink DISABLED hostname server1.site2.com identity 0 ignore_builtin_innodb OFF init_connect init_file init_slave innodb_adaptive_hash_index ON innodb_additional_mem_pool_size 1048576 innodb_autoextend_increment 8 innodb_autoinc_lock_mode 1 innodb_buffer_pool_size 8388608 innodb_checksums ON innodb_commit_concurrency 0 innodb_concurrency_tickets 500 innodb_data_file_path ibdata1:10M:autoextend innodb_data_home_dir innodb_doublewrite ON innodb_fast_shutdown 1 innodb_file_io_threads 4 innodb_file_per_table OFF innodb_flush_log_at_trx_commit 1 innodb_flush_method innodb_force_recovery 0 innodb_lock_wait_timeout 50 innodb_locks_unsafe_for_binlog OFF innodb_log_buffer_size 1048576 innodb_log_file_size 5242880 innodb_log_files_in_group 2 innodb_log_group_home_dir ./ innodb_max_dirty_pages_pct 90 innodb_max_purge_lag 0 innodb_mirrored_log_groups 1 innodb_open_files 300 innodb_rollback_on_timeout OFF innodb_stats_method nulls_equal innodb_stats_on_metadata ON innodb_support_xa ON innodb_sync_spin_loops 20 innodb_table_locks ON innodb_thread_concurrency 8 innodb_thread_sleep_delay 10000 innodb_use_legacy_cardinality_algorithm ON insert_id 0 interactive_timeout 28800 join_buffer_size 131072 keep_files_on_create OFF key_buffer_size 8384512 key_cache_age_threshold 300 key_cache_block_size 1024 key_cache_division_limit 100 language /usr/share/mysql/english/ large_files_support ON large_page_size 0 large_pages OFF last_insert_id 0 lc_time_names en_US license GPL local_infile ON locked_in_memory OFF log OFF log_bin OFF log_bin_trust_function_creators OFF log_bin_trust_routine_creators OFF log_error /var/log/mysqld.log log_output FILE log_queries_not_using_indexes OFF log_slave_updates OFF log_slow_queries OFF log_warnings 1 long_query_time 10.000000 low_priority_updates OFF lower_case_file_system OFF lower_case_table_names 0 max_allowed_packet 1048576 max_binlog_cache_size 18446744073709547520 max_binlog_size 1073741824 max_connect_errors 10 max_connections 151 max_delayed_threads 20 max_error_count 64 max_heap_table_size 16777216 max_insert_delayed_threads 20 max_join_size 18446744073709551615 max_length_for_sort_data 1024 max_long_data_size 1048576 max_prepared_stmt_count 16382 max_relay_log_size 0 max_seeks_for_key 18446744073709551615 max_sort_length 1024 max_sp_recursion_depth 0 max_tmp_tables 32 max_user_connections 0 max_write_lock_count 18446744073709551615 min_examined_row_limit 0 multi_range_count 256 myisam_data_pointer_size 6 myisam_max_sort_file_size 9223372036853727232 myisam_mmap_size 18446744073709551615 myisam_recover_options OFF myisam_repair_threads 1 myisam_sort_buffer_size 8388608 myisam_stats_method nulls_unequal myisam_use_mmap OFF net_buffer_length 16384 net_read_timeout 30 net_retry_count 10 net_write_timeout 60 new OFF old OFF old_alter_table OFF old_passwords OFF open_files_limit 1024 optimizer_prune_level 1 optimizer_search_depth 62 optimizer_switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on pid_file /var/run/mysqld/mysqld.pid plugin_dir /usr/lib64/mysql/plugin port 3306 preload_buffer_size 32768 profiling OFF profiling_history_size 15 protocol_version 10 pseudo_thread_id 3 query_alloc_block_size 8192 query_cache_limit 1048576 query_cache_min_res_unit 4096 query_cache_size 0 query_cache_type ON query_cache_wlock_invalidate OFF query_prealloc_size 8192 rand_seed1 rand_seed2 range_alloc_block_size 4096 read_buffer_size 131072 read_only OFF read_rnd_buffer_size 262144 relay_log relay_log_index relay_log_info_file relay-log.info relay_log_purge ON relay_log_space_limit 0 report_host report_password report_port 3306 report_user rpl_recovery_rank 0 secure_auth OFF secure_file_priv server_id 0 skip_external_locking ON skip_name_resolve OFF skip_networking OFF skip_show_database OFF slave_compressed_protocol OFF slave_exec_mode STRICT slave_load_tmpdir /tmp slave_max_allowed_packet 1073741824 slave_net_timeout 3600 slave_skip_errors OFF slave_transaction_retries 10 slow_launch_time 2 slow_query_log OFF slow_query_log_file /var/run/mysqld/mysqld-slow.log socket /var/lib/mysql/mysql.sock sort_buffer_size 2097144 sql_auto_is_null ON sql_big_selects ON sql_big_tables OFF sql_buffer_result OFF sql_log_bin ON sql_log_off OFF sql_log_update ON sql_low_priority_updates OFF sql_max_join_size 18446744073709551615 sql_mode sql_notes ON sql_quote_show_create ON sql_safe_updates OFF sql_select_limit 18446744073709551615 sql_slave_skip_counter sql_warnings OFF ssl_ca ssl_capath ssl_cert ssl_cipher ssl_key storage_engine MyISAM sync_binlog 0 sync_frm ON system_time_zone PDT table_definition_cache 256 table_lock_wait_timeout 50 table_open_cache 64 table_type MyISAM thread_cache_size 0 thread_handling one-thread-per-connection thread_stack 262144 time_format %H:%i:%s time_zone SYSTEM timed_mutexes OFF timestamp 1372254399 tmp_table_size 16777216 tmpdir /tmp transaction_alloc_block_size 8192 transaction_prealloc_size 4096 tx_isolation REPEATABLE-READ unique_checks ON updatable_views_with_limit YES version 5.1.69 version_comment Source distribution version_compile_machine x86_64 version_compile_os redhat-linux-gnu wait_timeout 28800 warning_count 0 VPS Sysbench Info [root@vps ~]# cat sysbench.txt sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Doing OLTP test. Running mixed OLTP test Doing read-only test Using Special distribution (12 iterations, 1 pct of values are returned in 75 pct cases) Using "BEGIN" for starting transactions Using auto_inc on the id column Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. OLTP test statistics: queries performed: read: 1449966 write: 0 other: 207138 total: 1657104 transactions: 103569 (1726.01 per sec.) deadlocks: 0 (0.00 per sec.) read/write requests: 1449966 (24164.08 per sec.) other operations: 207138 (3452.01 per sec.) Test execution summary: total time: 60.0050s total number of events: 103569 total time taken by event execution: 479.1544 per-request statistics: min: 1.98ms avg: 4.63ms max: 330.73ms approx. 95 percentile: 8.26ms Threads fairness: events (avg/stddev): 12946.1250/381.09 execution time (avg/stddev): 59.8943/0.00 [root@vps ~]# Laptop Sysbench Info [root@server1 ~]# cat sysbench.txt sysbench 0.4.12: multi-threaded system evaluation benchmark Running the test with following options: Number of threads: 8 Doing OLTP test. Running mixed OLTP test Doing read-only test Using Special distribution (12 iterations, 1 pct of values are returned in 75 pct cases) Using "BEGIN" for starting transactions Using auto_inc on the id column Threads started! Time limit exceeded, exiting... (last message repeated 7 times) Done. OLTP test statistics: queries performed: read: 634718 write: 0 other: 90674 total: 725392 transactions: 45337 (755.56 per sec.) deadlocks: 0 (0.00 per sec.) read/write requests: 634718 (10577.78 per sec.) other operations: 90674 (1511.11 per sec.) Test execution summary: total time: 60.0048s total number of events: 45337 total time taken by event execution: 479.4912 per-request statistics: min: 2.04ms avg: 10.58ms max: 85.56ms approx. 95 percentile: 19.70ms Threads fairness: events (avg/stddev): 5667.1250/42.18 execution time (avg/stddev): 59.9364/0.00 [root@server1 ~]# VPS File Info [root@vps ~]# df -T Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/simfs simfs 20971520 16187440 4784080 78% / none tmpfs 6224432 4 6224428 1% /dev none tmpfs 6224432 0 6224432 0% /dev/shm [root@vps ~]# Laptop File Info [root@server1 ~]# df -T Filesystem Type 1K-blocks Used Available Use% Mounted on /dev/mapper/vg_server1-lv_root ext4 72383800 4243964 64462860 7% / tmpfs tmpfs 956352 0 956352 0% /dev/shm /dev/sdb1 ext4 495844 60948 409296 13% /boot [root@server1 ~]# VPS CPU Info Removed to stay under the 30000 character limit required by ServerFault Laptop CPU Info [root@server1 ~]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz stepping : 13 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 3591.39 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz stepping : 13 cpu MHz : 800.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm ida dts tpr_shadow vnmi flexpriority bogomips : 3591.39 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: [root@server1 ~]# EDIT New Info requested by shakalandy [root@localhost ~]# cat /proc/meminfo MemTotal: 2044804 kB MemFree: 761464 kB Buffers: 68868 kB Cached: 369708 kB SwapCached: 0 kB Active: 881080 kB Inactive: 246016 kB Active(anon): 688312 kB Inactive(anon): 4416 kB Active(file): 192768 kB Inactive(file): 241600 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 4095992 kB SwapFree: 4095992 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 688428 kB Mapped: 65156 kB Shmem: 4216 kB Slab: 92428 kB SReclaimable: 31260 kB SUnreclaim: 61168 kB KernelStack: 2392 kB PageTables: 28356 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 5118392 kB Committed_AS: 1530212 kB VmallocTotal: 34359738367 kB VmallocUsed: 343604 kB VmallocChunk: 34359372920 kB HardwareCorrupted: 0 kB AnonHugePages: 520192 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 8556 kB DirectMap2M: 2078720 kB [root@localhost ~]# ps aux | grep mysql root 2227 0.0 0.0 108332 1504 ? S 07:36 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/localhost.badobe.com.pid mysql 2319 0.1 24.5 1470068 501360 ? Sl 07:36 0:57 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/localhost.badobe.com.err --pid-file=/var/lib/mysql/localhost.badobe.com.pid root 3579 0.0 0.1 201840 3028 pts/0 S+ 07:40 0:00 mysql -u root -p root 13887 0.0 0.1 201840 3036 pts/3 S+ 18:08 0:00 mysql -uroot -px xxxxxxxxxx root 14449 0.0 0.0 103248 840 pts/2 S+ 18:16 0:00 grep mysql [root@localhost ~]# ps aux | grep mysql root 2227 0.0 0.0 108332 1504 ? S 07:36 0:00 /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --pid-file=/var/lib/mysql/localhost.badobe.com.pid mysql 2319 0.1 24.5 1470068 501356 ? Sl 07:36 0:57 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --user=mysql --log-error=/var/lib/mysql/localhost.badobe.com.err --pid-file=/var/lib/mysql/localhost.badobe.com.pid root 3579 0.0 0.1 201840 3028 pts/0 S+ 07:40 0:00 mysql -u root -p root 13887 0.0 0.1 201840 3048 pts/3 S+ 18:08 0:00 mysql -uroot -px xxxxxxxxxx root 14470 0.0 0.0 103248 840 pts/2 S+ 18:16 0:00 grep mysql [root@localhost ~]# vmstat 1 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 0 0 742172 76376 371064 0 0 6 6 78 202 2 1 97 1 0 0 0 0 742164 76380 371060 0 0 0 16 191 467 2 1 93 5 0 0 0 0 742164 76380 371064 0 0 0 0 148 388 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 159 418 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 145 380 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 166 429 2 1 97 0 0 1 0 0 742164 76380 371064 0 0 0 0 148 373 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 149 382 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 168 408 2 0 97 0 0 0 0 0 742164 76380 371064 0 0 0 0 165 394 2 1 98 0 0 0 0 0 742164 76380 371064 0 0 0 0 159 354 2 1 98 0 0 0 0 0 742164 76388 371060 0 0 0 16 180 447 2 0 91 6 0 0 0 0 742164 76388 371064 0 0 0 0 143 344 2 1 98 0 0 0 1 0 742784 76416 370044 0 0 28 580 360 678 3 1 74 23 0 1 0 0 744768 76496 367772 0 0 40 1036 437 865 3 1 53 43 0 0 1 0 747248 76596 365412 0 0 48 1224 561 923 3 2 53 43 0 0 1 0 749232 76696 363092 0 0 32 1132 512 883 3 2 52 44 0 0 1 0 751340 76772 361020 0 0 32 1008 472 872 2 1 52 45 0 0 1 0 753448 76840 358540 0 0 36 1088 512 860 2 1 51 46 0 0 1 0 755060 76936 357636 0 0 28 1012 481 922 2 2 52 45 0 0 1 0 755060 77064 357988 0 0 12 896 444 902 2 1 53 45 0 0 1 0 754688 77148 358448 0 0 16 1096 506 1007 1 1 56 42 0 0 2 0 754192 77268 358932 0 0 12 1060 481 957 1 2 53 44 0 0 1 0 753696 77380 359392 0 0 12 1052 512 1025 2 1 55 42 0 0 1 0 751028 77480 359828 0 0 8 984 423 909 2 2 52 45 0 0 1 0 750524 77620 360200 0 0 8 788 367 869 1 2 54 44 0 0 1 0 749904 77700 360664 0 0 8 928 439 924 2 2 55 43 0 0 1 0 749408 77796 361084 0 0 12 976 468 967 1 1 56 43 0 0 1 0 748788 77896 361464 0 0 12 992 453 944 1 2 54 43 0 1 1 0 748416 77992 361996 0 0 12 784 392 868 2 1 52 46 0 0 1 0 747920 78092 362336 0 0 4 896 382 874 1 1 52 46 0 0 1 0 745252 78172 362780 0 0 12 1040 444 923 1 1 56 42 0 0 1 0 744764 78288 363220 0 0 8 1024 448 934 2 1 55 43 0 0 1 0 744144 78408 363668 0 0 8 1000 461 982 2 1 53 44 0 0 1 0 743648 78488 364148 0 0 8 872 443 888 2 1 54 43 0 0 1 0 743152 78548 364468 0 0 16 1020 511 995 2 1 55 43 0 0 1 0 742656 78632 365024 0 0 12 928 431 913 1 2 53 44 0 0 1 0 742160 78728 365468 0 0 12 996 470 955 2 2 54 44 0 1 1 0 739492 78840 365896 0 0 8 988 447 939 1 2 52 46 0 0 1 0 738872 78996 366352 0 0 12 972 442 928 1 1 55 44 0 1 1 0 738244 79148 366812 0 0 8 948 549 1126 2 2 54 43 0 0 1 0 737624 79312 367188 0 0 12 996 456 953 2 2 54 43 0 0 1 0 736880 79456 367660 0 0 12 960 444 918 1 1 53 46 0 0 1 0 736260 79584 368124 0 0 8 884 414 921 1 1 54 44 0 0 1 0 735648 79716 368488 0 0 12 976 450 955 2 1 56 41 0 0 1 0 733104 79840 368988 0 0 12 932 453 918 1 2 55 43 0 0 1 0 732608 79996 369356 0 0 16 916 444 889 1 2 54 43 0 1 1 0 731476 80128 369800 0 0 16 852 514 978 2 2 54 43 0 0 1 0 731244 80252 370200 0 0 8 904 398 870 2 1 55 43 0 1 1 0 730624 80384 370612 0 0 12 1032 447 977 1 2 57 41 0 0 1 0 730004 80524 371096 0 0 12 984 469 941 2 2 52 45 0 0 1 0 729508 80636 371544 0 0 12 928 438 922 2 1 52 46 0 0 1 0 728888 80756 371948 0 0 16 972 439 943 2 1 55 43 0 0 1 0 726468 80900 372272 0 0 8 960 545 1024 2 1 54 43 0 1 1 0 726344 81024 372272 0 0 8 464 490 1057 1 2 53 44 0 0 1 0 726096 81148 372276 0 0 4 328 441 1063 2 1 53 45 0 1 1 0 726096 81256 372292 0 0 0 296 387 975 1 1 53 45 0 0 1 0 725848 81380 372284 0 0 4 332 425 1034 2 1 54 44 0 1 1 0 725848 81496 372300 0 0 4 308 386 992 2 1 54 43 0 0 1 0 725600 81616 372296 0 0 4 328 404 1060 1 1 54 44 0 procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 0 1 0 725600 81732 372296 0 0 4 328 439 1011 1 1 53 44 0 0 1 0 725476 81848 372308 0 0 0 316 441 1023 2 2 52 46 0 1 1 0 725352 81972 372300 0 0 4 344 451 1021 1 1 55 43 0 2 1 0 725228 82088 372320 0 0 0 328 427 1058 1 1 54 44 0 1 1 0 724980 82220 372300 0 0 4 336 419 999 2 1 54 44 0 1 1 0 724980 82328 372320 0 0 4 320 430 1019 1 1 54 44 0 1 1 0 724732 82436 372328 0 0 0 388 363 942 2 1 54 44 0 1 1 0 724608 82560 372312 0 0 4 308 419 993 1 2 54 44 0 1 0 0 724360 82684 372320 0 0 0 304 421 1028 2 1 55 42 0 1 0 0 724360 82684 372388 0 0 0 0 158 416 2 1 98 0 0 1 1 0 724236 82720 372360 0 0 0 6464 243 855 3 2 84 12 0 1 0 0 724112 82748 372360 0 0 0 5356 266 895 3 1 84 12 0 2 1 0 724112 82764 372380 0 0 0 3052 221 511 2 2 93 4 0 1 0 0 724112 82796 372372 0 0 0 4548 325 1067 2 2 81 16 0 1 0 0 724112 82816 372368 0 0 0 3240 259 829 3 1 90 6 0 1 0 0 724112 82836 372380 0 0 0 3260 309 822 3 2 88 8 0 1 1 0 724112 82876 372364 0 0 0 4680 326 978 3 1 77 19 0 1 0 0 724112 82884 372380 0 0 0 512 207 508 2 1 95 2 0 1 0 0 724112 82884 372388 0 0 0 0 138 361 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 158 397 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 146 395 2 1 98 0 0 2 0 0 724112 82884 372388 0 0 0 0 160 395 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 163 382 1 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 176 422 2 1 98 0 0 1 0 0 724112 82884 372388 0 0 0 0 134 351 2 1 98 0 0 0 0 0 724112 82884 372388 0 0 0 0 190 429 2 1 97 0 0 0 0 0 724104 82884 372392 0 0 0 0 139 358 2 1 98 0 0 0 0 0 724848 82884 372392 0 0 0 4 211 432 2 1 97 0 0 1 0 0 724980 82884 372392 0 0 0 0 166 370 2 1 98 0 0 0 0 0 724980 82884 372392 0 0 0 0 164 397 2 1 98 0 0 ^C [root@localhost ~]#

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• I can't shut down nor reboot without console

  - by jgomo3

  After update from 11.04 to 11.10 an wired conduct appears in my machine: Shutdown GUI methods (including reboot) cause only a log off, and in the login screen, shutdown nor reboot options do anything (if you wonder, reboot appears in the shutdown dialog). The only way i can reboot or shutdown is trough console sudo shutdown -h now or sudo reboot. This is OK for me, but not for the rest of the users. How to fix this? Update The syslog output when select shutdown from my desktop is: AptDaemon: INFO: Quitting due to inactivity AptDaemon: INFO: Quitting was requested CRON[5095]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d /var/lib/php5 ] && find /var/lib/php5/ -depth -mindepth 1 -maxdepth 1 -type f -cmin +$(/usr/lib/php5/maxlifetime) ! -execdir fuser -s {} 2>/dev/null \; -delete) CRON[5094]: (root) MAIL (mailed 1 byte of output; but got status 0x00ff, #012) kernel: [17027.614974] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1 kernel: [17027.616510] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1 kernel: [17027.618037] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1 kernel: [17027.619557] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1 kernel: [17027.621046] psmouse.c: TouchPad at isa0060/serio4/input0 lost sync at byte 1 kernel: [17027.621051] psmouse.c: issuing reconnect request acpid: client 1032[0:0] has disconnected acpid: client connected from 1032[0:0] acpid: 1 client rule loaded gnome-session[1836]: WARNING: Unable to stop system: Authorization is required acpid: client 1032[0:0] has disconnected acpid: client connected from 6055[0:0] acpid: 1 client rule loaded rtkit-daemon[1313]: Successfully made thread 6134 of process 6134 (n/a) owned by '119' high priority at nice level -11. rtkit-daemon[1313]: Supervising 4 threads of 2 processes of 2 users. rtkit-daemon[1313]: Successfully made thread 6139 of process 6134 (n/a) owned by '119' RT at priority 5. rtkit-daemon[1313]: Supervising 5 threads of 2 processes of 2 users. rtkit-daemon[1313]: Successfully made thread 6140 of process 6134 (n/a) owned by '119' RT at priority 5. rtkit-daemon[1313]: Supervising 6 threads of 2 processes of 2 users. I suspect that the line gnome-session[1836]: WARNING: Unable to stop system: Authorization is required is related to the issue. When selecting shutdown from the login screen, the output is the same from the line pointed. This is the output: gnome-session[1836]: WARNING: Unable to stop system: Authorization is required acpid: client 1032[0:0] has disconnected acpid: client connected from 6055[0:0] acpid: 1 client rule loaded rtkit-daemon[1313]: Successfully made thread 6134 of process 6134 (n/a) owned by '119' high priority at nice level -11. rtkit-daemon[1313]: Supervising 4 threads of 2 processes of 2 users. rtkit-daemon[1313]: Successfully made thread 6139 of process 6134 (n/a) owned by '119' RT at priority 5. rtkit-daemon[1313]: Supervising 5 threads of 2 processes of 2 users. rtkit-daemon[1313]: Successfully made thread 6140 of process 6134 (n/a) owned by '119' RT at priority 5. rtkit-daemon[1313]: Supervising 6 threads of 2 processes of 2 users. acpid: client 6055[0:0] has disconnected acpid: client connected from 6055[0:0] acpid: 1 client rule loaded

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• Slow Ubuntu 10.04 after long time unused

  - by Winston Ewert

  I'm at spring break so I'm back at my parent's house. I've turned my computer on which has been off since January and its unusably slow. This was not the case when I last used the computer in January. It is running 10.04, Memory: 875.5 MB CPU: AMD Athlon 64 X2 Dual Core Processor 4400+ Available Disk Space: 330.8 GB I'm not seeing a large usage of either memory or Disk I/O. If I look at my list of processes there is only a very small amount of CPU usage. However, if I hover over the CPU usage graph that I've on the top bar, I sometimes get really high readings like 100%. It took a long time to boot, to open firefox, to open a link in firefox. As far as I can tell everything that the computer tries to do is just massively slow. Right now, I'm apt-get dist-upgrading to install any updates that I will have missed since last time this computer was on. Any ideas as to what is going on here? UPDATE: I thought to check dmesg and it has a lot of entries like this: [ 1870.142201] ata3.00: exception Emask 0x0 SAct 0x7 SErr 0x0 action 0x0 [ 1870.142206] ata3.00: irq_stat 0x40000008 [ 1870.142210] ata3.00: failed command: READ FPDMA QUEUED [ 1870.142217] ata3.00: cmd 60/08:10:c0:4a:65/00:00:03:00:00/40 tag 2 ncq 4096 in [ 1870.142218] res 41/40:00:c5:4a:65/00:00:03:00:00/40 Emask 0x409 (media error) <F> [ 1870.142221] ata3.00: status: { DRDY ERR } [ 1870.142223] ata3.00: error: { UNC } [ 1870.143981] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1870.146758] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1870.146761] ata3.00: configured for UDMA/133 [ 1870.146777] ata3: EH complete [ 1872.092269] ata3.00: exception Emask 0x0 SAct 0x7 SErr 0x0 action 0x0 [ 1872.092274] ata3.00: irq_stat 0x40000008 [ 1872.092278] ata3.00: failed command: READ FPDMA QUEUED [ 1872.092285] ata3.00: cmd 60/08:00:c0:4a:65/00:00:03:00:00/40 tag 0 ncq 4096 in [ 1872.092287] res 41/40:00:c5:4a:65/00:00:03:00:00/40 Emask 0x409 (media error) <F> [ 1872.092289] ata3.00: status: { DRDY ERR } [ 1872.092292] ata3.00: error: { UNC } [ 1872.094050] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1872.096795] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1872.096798] ata3.00: configured for UDMA/133 [ 1872.096814] ata3: EH complete [ 1874.042279] ata3.00: exception Emask 0x0 SAct 0x7 SErr 0x0 action 0x0 [ 1874.042285] ata3.00: irq_stat 0x40000008 [ 1874.042289] ata3.00: failed command: READ FPDMA QUEUED [ 1874.042296] ata3.00: cmd 60/08:10:c0:4a:65/00:00:03:00:00/40 tag 2 ncq 4096 in [ 1874.042297] res 41/40:00:c5:4a:65/00:00:03:00:00/40 Emask 0x409 (media error) <F> [ 1874.042300] ata3.00: status: { DRDY ERR } [ 1874.042302] ata3.00: error: { UNC } [ 1874.044048] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1874.046837] ata3.00: SB600 AHCI: limiting to 255 sectors per cmd [ 1874.046840] ata3.00: configured for UDMA/133 [ 1874.046861] sd 2:0:0:0: [sda] Unhandled sense code [ 1874.046863] sd 2:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 1874.046867] sd 2:0:0:0: [sda] Sense Key : Medium Error [current] [descriptor] [ 1874.046872] Descriptor sense data with sense descriptors (in hex): [ 1874.046874] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 [ 1874.046883] 03 65 4a c5 [ 1874.046886] sd 2:0:0:0: [sda] Add. Sense: Unrecovered read error - auto reallocate failed [ 1874.046892] sd 2:0:0:0: [sda] CDB: Read(10): 28 00 03 65 4a c0 00 00 08 00 [ 1874.046900] end_request: I/O error, dev sda, sector 56969925 [ 1874.046920] ata3: EH complete I'm not certain, but that looks like my problem may be a failing hard drive. But the drive is less then a year old, it really shouldn't be failing now...

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• Multitenancy in SQL Azure

  - by cibrax

  If you are building a SaaS application in Windows Azure that relies on SQL Azure, it’s probably that you will need to support multiple tenants at database level. This is short overview of the different approaches you can use for support that scenario, A different database per tenant A new database is created and assigned when a tenant is provisioned. Pros Complete isolation between tenants. All the data for a tenant lives in a database only he can access. Cons It’s not cost effective. SQL Azure databases are not cheap, and the minimum size for a database is 1GB.  You might be paying for storage that you don’t really use. A different connection pool is required per database. Updates must be replicated across all the databases You need multiple backup strategies across all the databases Multiple schemas in a database shared by all the tenants A single database is shared among all the tenants, but every tenant is assigned to a different schema and database user. Pros You only pay for a single database. Data is isolated at database level. If the credentials for one tenant is compromised, the rest of the data for the other tenants is not. Cons You need to replicate all the database objects in every schema, so the number of objects can increase indefinitely. Updates must be replicated across all the schemas. The connection pool for the database must maintain a different connection per tenant (or set of credentials) A different user is required per tenant, which is stored at server level. You have to backup that user independently. Centralizing the database access with store procedures in a database shared by all the tenants A single database is shared among all the tenants, but nobody can read the data directly from the tables. All the data operations are performed through store procedures that centralize the access to the tenant data. The store procedures contain some logic to map the database user to an specific tenant. Pros You only pay for a single database. You only have a set of objects to maintain and backup. Cons There is no real isolation. All the data for the different tenants is shared in the same tables. You can not use traditional ORM like EF code first for consuming the data. A different user is required per tenant, which is stored at server level. You have to backup that user independently. SQL Federations A single database is shared among all the tenants, but a different federation is used per tenant. A federation in few words, it’s a mechanism for horizontal scaling in SQL Azure, which basically uses the idea of logical partitions to distribute data based on certain criteria. Pros You only have a single database with multiple federations. You can use filtering in the connections to pick the right federation, so any ORM could be used to consume the data. Cons There is no real isolation at that database level. The isolation is enforced programmatically with federations.

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• Help with chat server

  - by mithun1538

  I am designing a chat server in java. The communication is Http based and not socket based. In the client side I have an applet. In the server side I have a servlet. Applet: I create a new thread to listen for incoming messages(GET method). The main thread is used to send messages(POST messages). The partial code is : public void start() { System.out.println("Creating new thread"); Thread thread = new Thread(this); thread.start(); } private String getNewMessage() { System.out.println("Inside getNewMessage"); String msg = null; try { while(msg == null) { System.out.println("Trying to listen to servlet"); URL servlet = new URL(getCodeBase(), "NewServlet?mode=msg"); URLConnection con = servlet.openConnection(); con.setUseCaches(false); DataInputStream din = new DataInputStream(new BufferedInputStream(con.getInputStream())); msg = din.readUTF(); System.out.println("message read :" + msg); } } catch (Exception e) { e.printStackTrace(); } return msg + "\n"; } public void run() { System.out.println("Inside new thread"); while(true) { System.out.println("inside first while"); String newMsg = getNewMessage(); chatOutput.append(newMsg); System.out.println("Appended!!"); } } private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { String message = chatInput.getText(); chatInput.setText(""); chatOutput.append(message + "\n"); try { System.out.println("Trying to send msg :" + message); URL url = new URL(getCodeBase(), "NewServlet"); URLConnection servletConnection = url.openConnection(); servletConnection.setDoInput(true); servletConnection.setDoOutput(true); servletConnection.setUseCaches(false); servletConnection.setRequestProperty("Content-Type", "application/octet-stream"); ObjectOutputStream out = new ObjectOutputStream(servletConnection.getOutputStream()); out.writeObject(message); out.flush(); out.close(); System.out.println("Message sent!"); } catch (Exception e) { e.printStackTrace(); } } This next code is from the servlet side. it uses the Observable interface to identify and send messages to clients. public class NewServlet extends HttpServlet { // getNextMessage() returns the next new message. // It blocks until there is one. public String getNextMessage() { // Create a message sink to wait for a new message from the // message source. System.out.println("inside getNextMessage"); return new MessageSink().getNextMessage(source);} @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Inside Doget"); response.setContentType("text/plain"); PrintWriter out = response.getWriter(); out.println(getNextMessage()); } // broadcastMessage() informs all currently listening clients that there // is a new message. Causes all calls to getNextMessage() to unblock. public void broadcastMessage(String message) { // Send the message to all the HTTP-connected clients by giving the // message to the message source source.sendMessage(message); } @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("Inside DoPost"); try { ObjectInputStream din= new ObjectInputStream(request.getInputStream()); String message = (String)din.readObject(); System.out.println("received msg"); if (message != null) broadcastMessage(message); System.out.println("Called broadcast"); // Set the status code to indicate there will be no response response.setStatus(response.SC_NO_CONTENT); } catch (Exception e) { e.printStackTrace(); } } /** * Returns a short description of the servlet. * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; } MessageSource source = new MessageSource();} class MessageSource extends Observable { public void sendMessage(String message) { System.out.println("inside sendMsg"); setChanged(); notifyObservers(message); } } class MessageSink implements Observer { String message = null; // set by update() and read by getNextMessage() // Called by the message source when it gets a new message synchronized public void update(Observable o, Object arg) { // Get the new message message = (String)arg; // Wake up our waiting thread notify(); } // Gets the next message sent out from the message source synchronized public String getNextMessage(MessageSource source) { // Tell source we want to be told about new messages source.addObserver(this); System.out.println("AddedObserver"); // Wait until our update() method receives a message while (message == null) { try { wait(); } catch (Exception ignored) { } } // Tell source to stop telling us about new messages source.deleteObserver(this); // Now return the message we received // But first set the message instance variable to null // so update() and getNextMessage() can be called again. String messageCopy = message; message = null; System.out.println("Returning msg"); return messageCopy; } } As you can see I have included System.out.println("Some message"); in some places. this was just for debugging purposes. In java console, i get the following output: Creating new thread Inside new thread. inside first while. Inside getNewMessage. Trying to listen to servlet. In the servlet side, i get the following output in the tomcat logs: Inside Doget. inside getNextMessage. AddedObserver. After i type a message in the applet, and send it, I get the foll output in java console: Trying to send msg :you deR?? Message sent! But in servlet side, I dont get anything in the logs. I used the O'Reily Java Servlet Programming as reference(The observer interface comes from there). But I am not getting any chat communication between two clients. As can be understood from the logs, the POST method is not called. Any reason for this?

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• Silverlight -RIA Services-This EntitySet of type <> does not support the 'Add' operation.

  - by user289082

  In Silverlight project I have this exception when I tried to Add a new object to a DataGrid when a button is clicked. In the DomainService class.. I know I have to implement the Add operation for the new Entity I'm putting, but how can I do that? I mean I did the class, the get method but how do I do the insert operation, I can't see my class in this.ObjectContext, so to whom I would be adding this new object, I have the next fragments of code: public partial class SisPer { [Key] public int Id { get; set; } public string Nombre_Sistema { get; set; } public string Nombre_Perfil { get; set; } public string Nivel { get; set; } public bool Estatus { get; set; } } public IQueryable<SisPer> Get_SisPer() { var query = from per in this.ObjectContext.Cat_Perfil join sis in this.ObjectContext.Cat_Sistema on per.Cat_Sistema.Id equals sis.Id select new SisPer() { Id = per.Id, Nombre_Sistema = sis.Nombre, Nombre_Perfil = per.Nombre, Nivel = per.Nivel, Estatus = per.Estatus }; return query; } public void InsertSisPer(SisPer sisper) { ?? I can't see this.ObjectContext.AddToSisPer(); } Plz Help!!

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• Why can't Perl's DBD::DB2 find dbivport.h during installation?

  - by Liju Mathew

  We are using a Perl utility to dump data from DB2 database. We installed DBI package and it is asking for DBD package also. We dont have root access and when we try to install DBD package we are getting the following error: ERROR BUILDING DB2.pm [lijumathew@intblade03 DBD-DB2-1.78]$ make make[1]: Entering directory '/home/lijumathew/lperl/perlsrc/DBD-DB2-1.78/Constants' gcc -c -I"/db2/db2tf1/sqllib/include" -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 -DVERSION=\"1.78\" -DXS_VERSION=\"1.78\" -fPIC "-I/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE" Constants.c Running Mkbootstrap for DBD::DB2::Constants () chmod 644 Constants.bs rm -f ../blib/arch/auto/DBD/DB2/Constants/Constants.so gcc -shared -L/usr/local/lib Constants.o -o ../blib/arch/auto/DBD/DB2/Constants/Constants.so chmod 755 ../blib/arch/auto/DBD/DB2/Constants/Constants.so cp Constants.bs ../blib/arch/auto/DBD/DB2/Constants/Constants.bs chmod 644 ../blib/arch/auto/DBD/DB2/Constants/Constants.bs make[1]: Leaving directory `/home/lijumathew/lperl/perlsrc/DBD-DB2-1.78/Constants' gcc -c -I"/db2/db2tf1/sqllib/include" -I"/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 -DVERSION=\"1.78\" -DXS_VERSION=\"1.78\" -fPIC "-I/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE" DB2.c In file included from DB2.h:22, from DB2.xs:7: dbdimp.h:10:22: dbivport.h: No such file or directory make: *** [DB2.o] Error 1 How do we fix this? Do we need root access to resolve this?

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• Tiff Analyzer

  - by Kevin

  I am writing a program to convert some data, mainly a bunch of Tiff images. Some of the Tiffs seems to have a minor problem with them. They show up fine in some viewers (Irfanview, client's old system) but not in others (Client's new system, Window's picture and fax viewer). I have manually looked at the binary data and all the tags seem ok. Can anyone recommend an app that can analyze it and tell me what, if anything, is wrong with it? Also, for clarity sake, I'm only converting the data about the images which is stored seperately in a database and copying the images, I'm not editting the images myself, so I'm pretty sure I'm not messing them up. UDPATE: For anyone interested, here are the tags from a good and bad file: BAD Tag Type Length Value 256 Image Width SHORT 1 1652 257 Image Length SHORT 1 704 258 Bits Per Sample SHORT 1 1 259 Compression SHORT 1 4 262 Photometric SHORT 1 0 266 Fill Order SHORT 1 1 273 Strip Offsets LONG 1 210 (d2 Hex) 274 Orientation SHORT 1 3 277 Samples Per Pixel SHORT 1 1 278 Rows Per Strip SHORT 1 450 279 Strip Byte Counts LONG 1 7264 (1c60 Hex) 282 X Resolution RATIONAL 1 <194 200 / 1 = 200.000 283 Y Resolution RATIONAL 1 <202 200 / 1 = 200.000 284 Planar Configuration SHORT 1 1 296 Resolution Unit SHORT 1 2 Good Tag Type Length Value 254 New Subfile Type LONG 1 0 (0 Hex) 256 Image Width SHORT 1 1193 257 Image Length SHORT 1 788 258 Bits Per Sample SHORT 1 1 259 Compression SHORT 1 4 262 Photometric SHORT 1 0 266 Fill Order SHORT 1 1 270 Image Description ASCII 45 256 273 Strip Offsets LONG 1 1118 (45e Hex) 274 Orientation SHORT 1 1 277 Samples Per Pixel SHORT 1 1 278 Rows Per Strip LONG 1 788 (314 Hex) 279 Strip Byte Counts LONG 1 496 (1f0 Hex) 280 Min Sample Value SHORT 1 0 281 Max Sample Value SHORT 1 1 282 X Resolution RATIONAL 1 <301 200 / 1 = 200.000 283 Y Resolution RATIONAL 1 <309 200 / 1 = 200.000 284 Planar Configuration SHORT 1 1 293 Group 4 Options LONG 1 0 (0 Hex) 296 Resolution Unit SHORT 1 2

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• ASP.NET Setting Culture with InitializeCulture

  - by Helen

  I have a website with three domains .com, .de and .it Each domain needs to default to the local language/culture of the country. I have created a base page and added an InitializeCulture Protected Overrides Sub InitializeCulture() Dim url As System.Uri = Request.Url Dim hostname As String = url.Host.ToString() Dim SelectedLanguage As String If HttpContext.Current.Profile("PreferredCulture").ToString Is Nothing Then Select Case hostname Case "www.domain.de" SelectedLanguage = "de" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) Case "www.domain.it" SelectedLanguage = "it" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) Case Else SelectedLanguage = "en" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) End Select End If End Sub This is fine. The problem now occurs because we also want three language selection buttons on the home page so that the user can override the domain language. So on my Default.asp.vb we have three button events like this... Protected Sub langEnglish_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles langEnglish.Click Dim SelectedLanguage As String = "en" 'Save selected user language in profile HttpContext.Current.Profile.SetPropertyValue("PreferredCulture", SelectedLanguage) 'Force re-initialization of the page to fire InitializeCulture() Context.Server.Transfer(Context.Request.Path) End Sub But of course the InititalizeCulture then overrides whatever button selection has been made. Is there any way that the InitialCulture can check whether a button click has occurred and if so skip the routine? Any advice would be greatly appreciated, thanks.

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• Sync Vs. Async Sockets Performance in C#

  - by Michael Covelli

  Everything that I read about sockets in .NET says that the asynchronous pattern gives better performance (especially with the new SocketAsyncEventArgs which saves on the allocation). I think this makes sense if we're talking about a server with many client connections where its not possible to allocate one thread per connection. Then I can see the advantage of using the ThreadPool threads and getting async callbacks on them. But in my app, I'm the client and I just need to listen to one server sending market tick data over one tcp connection. Right now, I create a single thread, set the priority to Highest, and call Socket.Receive() with it. My thread blocks on this call and wakes up once new data arrives. If I were to switch this to an async pattern so that I get a callback when there's new data, I see two issues The threadpool threads will have default priority so it seems they will be strictly worse than my own thread which has Highest priority. I'll still have to send everything through a single thread at some point. Say that I get N callbacks at almost the same time on N different threadpool threads notifying me that there's new data. The N byte arrays that they deliver can't be processed on the threadpool threads because there's no guarantee that they represent N unique market data messages because TCP is stream based. I'll have to lock and put the bytes into an array anyway and signal some other thread that can process what's in the array. So I'm not sure what having N threadpool threads is buying me. Am I thinking about this wrong? Is there a reason to use the Async patter in my specific case of one client connected to one server?

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• DBI::DBD package not getting installed for Perl?

  - by Liju Mathew

  Hi, We are using a Perl utility to dump data from DB2 database. We installed DBI package and it is asking for DBD package also. We dont have root access and when we try to install DBD package we are getting the following error. ERROR BUILDING DB2.pm [lijumathew@intblade03 DBD-DB2-1.78]$ make make[1]: Entering directory '/home/lijumathew/lperl/perlsrc/DBD-DB2-1.78/Constants' gcc -c -I"/db2/db2tf1/sqllib/include" -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 -DVERSION=\"1.78\" -DXS_VERSION=\"1.78\" -fPIC "-I/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE" Constants.c Running Mkbootstrap for DBD::DB2::Constants () chmod 644 Constants.bs rm -f ../blib/arch/auto/DBD/DB2/Constants/Constants.so gcc -shared -L/usr/local/lib Constants.o -o ../blib/arch/auto/DBD/DB2/Constants/Constants.so chmod 755 ../blib/arch/auto/DBD/DB2/Constants/Constants.so cp Constants.bs ../blib/arch/auto/DBD/DB2/Constants/Constants.bs chmod 644 ../blib/arch/auto/DBD/DB2/Constants/Constants.bs make[1]: Leaving directory `/home/lijumathew/lperl/perlsrc/DBD-DB2-1.78/Constants' gcc -c -I"/db2/db2tf1/sqllib/include" -I"/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -I"/usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/DBI" -D_REENTRANT -D_GNU_SOURCE -DDEBUGGING -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 -DVERSION=\"1.78\" -DXS_VERSION=\"1.78\" -fPIC "-I/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE" DB2.c In file included from DB2.h:22, from DB2.xs:7: dbdimp.h:10:22: dbivport.h: No such file or directory make: *** [DB2.o] Error 1 How to fix this? Do we need root access to resolve this? Appreciate the help in advance. Thanks, Mathew Liju

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• Can I tell Castle Windsor to create a component in a separate AppDomain?

  - by Michael L Perry

  I've created a multi-threaded service that uses Castle Windsor to create components to run on separate threads. I Resolve an component by name with parameters for each thread. I'm running into concurrency problems with a 3rd party library used by the components. I suspect that isolating those components in separate AppDomains will resolve the problem. Is there a way to have Resolve create the component using a different AppDomain? private ActivityThread NewActivityThread(ActivityInstance activityInstance) { // Set up the creation arguments. System.Collections.IDictionary arguments = new Dictionary<string, string>(); activityInstance.Parameters.ForEach(p => arguments.Add(p.Name, p.Value)); // Get the activity handler from the container. IActivity activity = Program.Container.Resolve<IActivity>(activityInstance.Name, arguments); // Create a thread for the activity. ActivityThread thread = new ActivityThread(activity, activityInstance, _nextActivityID++); return thread; } public ActivityThread(IActivity activity, ActivityInstance instance, int id) { _activity = activity; _instance = instance; _id = id; } public void Start() { if (_thread == null) { // Create a new thread to run this activity. _thread = new Thread(delegate() { _activity.Run(); }); _thread.Name = _activity.ToString(); _thread.SetApartmentState(ApartmentState.STA); _thread.Start(); } }

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• Do the ‘up to date’ guarantees for values of Java's final fields extend to indirect references?

  - by mattbh

  The Java language spec defines semantics of final fields in section 17.5: The usage model for final fields is a simple one. Set the final fields for an object in that object's constructor. Do not write a reference to the object being constructed in a place where another thread can see it before the object's constructor is finished. If this is followed, then when the object is seen by another thread, that thread will always see the correctly constructed version of that object's final fields. It will also see versions of any object or array referenced by those final fields that are at least as up-to-date as the final fields are. My question is - does the 'up-to-date' guarantee extend to the contents of nested arrays, and nested objects? An example scenario: Thread A constructs a HashMap of ArrayLists, then assigns the HashMap to final field 'myFinal' in an instance of class 'MyClass' Thread B sees a (non-synchronized) reference to the MyClass instance and reads 'myFinal', and accesses and reads the contents of one of the ArrayLists In this scenario, are the members of the ArrayList as seen by Thread B guaranteed to be at least as up to date as they were when MyClass's constructor completed? I'm looking for clarification of the semantics of the Java Memory Model and language spec, rather than alternative solutions like synchronization. My dream answer would be a yes or no, with a reference to the relevant text.

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• boost bind callback function pointer as a parameter

  - by Takashi-kun

  I am trying to pass a function pointer using boost::bind. void Class::ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&Class::ThreadFunction, callbackFunc)) ); } I get the following errors: 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(362) : warning C4180: qualifier applied to function type has no meaning; ignored 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(333) : error C2296: '->*' : illegal, left operand has type 'Type (__cdecl **)(message_type::ptr &)' However, I was able to change to the following, it works fine: void ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&ThreadFunction, callbackFunc)) ); } Why do I get those errors if I declare the method in the Class class?

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• NPTL Default Stack Size Problem

  - by eyazici

  Hello, I am developing a multithread modular application using C programming language and NPTL 2.6. For each plugin, a POSIX thread is created. The problem is each thread has its own stack area, since default stack size depends on user's choice, this may results in huge memory consumption in some cases. To prevent unnecessary memory usage I used something similar to this to change stack size before creating each thread: pthread_attr_t attr; pthread_attr_init (&attr); pthread_attr_getstacksize(&attr, &st1); if(pthread_attr_setstacksize (&attr, MODULE_THREAD_SIZE) != 0) perror("Stack ERR"); pthread_attr_getstacksize(&attr, &st2); printf("OLD:%d, NEW:%d - MIN: %d\n", st1, st2, PTHREAD_STACK_MIN); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); /* "this" is static data structure that stores plugin related data */ pthread_create(&this->runner, &attr, (void *)(void *)this->run, NULL); EDIT I: pthread_create() section added. This did not work work as I expected, the stack size reported by pthread_attr_getstacksize() is changed but total memory usage of the application (from ps/top/pmap output) did not changed: OLD:10485760, NEW:65536 - MIN: 16384 When I use ulimit -s MY_STACK_SIZE_LIMIT before starting application I achieve the expected result. My questions are: 1-) Is there any portable(between UNIX variants) way to change (default)thread stack size after starting application(before creating thread of course)? 2-) Is it possible to use same stack area for every thread? 3-) Is it possible completely disable stack for threads without much pain?

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• POSIX AIO Library and Callback Handlers

  - by Charles Salvia

  According to the documentation on aio_read/write, there are basically 2 ways that the AIO library can inform your application that an async file I/O operation has completed. Either 1) you can use a signal, 2) you can use a callback function I think that callback functions are vastly preferable to signals, and would probably be much easier to integrate into higher-level multi-threaded libraries. Unfortunately, the documentation for this functionality is a mess to say the least. Some sources, such as the man page for the sigevent struct, indicate that you need to set the sigev_notify data member in the sigevent struct to SIGEV_CALLBACK and then provide a function handler. Presumably, the handler is invoked in the same thread. Other documentation indicates you need to set sigev_notify to SIGEV_THREAD, which will invoke the callback handler in a newly created thread. In any case, on my Linux system (Ubuntu with a 2.6.28 kernel) SIGEV_CALLBACK doesn't seem to be defined anywhere, but SIGEV_THREAD works as advertised. Unfortunately, creating a new thread to invoke the callback handler seems really inefficient, especially if you need to invoke many handlers. It would be better to use an existing pool of threads, similar to the way most network I/O event demultiplexers work. Some versions of UNIX, such as QNX, include a SIGEV_SIGNAL_THREAD flag, which allows you to invoke handlers using a specified existing thread, but this doesn't seem to be available on Linux, nor does it seem to even be a part of the POSIX standard. So, is it possible to use the POSIX AIO library in a way that invokes user handlers in a pre-allocated background thread/threadpool, rather than creating/destroying a new thread everytime a handler is invoked?

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• WPF: UnauthorizedAccessException using anonymous methods.

  - by Diego Pacheco Pedemonte

  Here is the thing, I want to create a simply app that copy many files from one site, and move them to another; but using async methods and create a new thread. private void button3_Click(object sender, RoutedEventArgs e) { //progressBar1.Maximum = _FileInfoArray.Count; DispatcherTimer dt1 = new DispatcherTimer(); foreach (FileInfo Fi in _FileInfoArray) { Thread t = new Thread(new ThreadStart(delegate() { DispatcherOperation _dispOp = progressBar1.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(delegate() { File.Copy(txtdestino.Text, Fi.FullName, true); //progressBar1.Value = n; //txtstatus.Content = ("Copiados " + n.ToString() + " archivos"); //Thread.Sleep(100); } )); _dispOp.Completed += new EventHandler(_dispOp_Completed); } )); t.Start(); } } UnauthorizedAccessException is throw! It says that I can't access to txtdestino content. Some clues? -------------------------------------------------------------------------------Edited This is the version with all the changes, get the same error :( any clues? private void button4_Click(object sender, RoutedEventArgs e) { //First: Build mynames List<string> mynames = new List<string>(); foreach (FileInfo fi in _FileInfoArray) { mynames.Add(fi.FullName); } Thread t = new Thread(new ThreadStart(delegate() { foreach (string fullname in mynames) { DispatcherOperation _dispOp = progressBar1.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(delegate() { string destino = System.IO.Path.Combine(@"C:\", System.IO.Path.GetFileName(fullname)); File.Copy(fullname, destino, true); //Some progressbar changes } )); _dispOp.Completed += new EventHandler(_dispOp_Completed); } } )); t.Start(); } File.Copy(txtdestino.Text, Fi.FullName, true); // here the exception is throw

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• C# Communication between threads.

  - by GT

  Hi, I am using .NET 3.5 and am trying to wrap my head around a problem (not being a supreme threading expert bear with me). I have a windows service which has a very intensive process that is always running, I have put this process onto a separate thread so that the main thread of my service can handle operational tasks - i.e., service audit cycles, handling configuration changes, etc, etc. I'm starting the thread via the typical ThreadStart to a method which kicks the process off - call it workerthread. On this workerthread I am sending data to another server, as is expected the server reboots every now and again and connection is lost and I need to re-establish the connection (I am notified by the lost of connection via an event). From here I do my reconnect logic and I am back in and running, however what I easily started to notice to happen was that I was creating this worker thread over and over again each time (not what I want). Now I could kill the workerthread when I lose the connection and start a new one but this seems like a waste of resources. What I really want to do, is marshal the call (i.e., my thread start method) back to the thread that is still in memory although not doing anything. Please post any examples or docs you have that would be of use. Thanks.

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• Calculate time of method execution and send to WCF service async

  - by Tim

  I need to implement time calculation for repository methods in my asp .net mvc project classes. The problem is that i need to send time calculation data to WCF Service which is time consuming. I think about threads which can help to cal WCF service asynchronously. But I have very little experience with it. Do I need to create new thread each time or I can create a global thread, if so then how? I have something like that: StopWatch class public class StopWatch { private DateTime _startTime; private DateTime _endTime; public void Start() { _startTime = DateTime.Now; } protected void StopTimerAndWriteStatistics() { _endTime = DateTime.Now; TimeSpan timeResult = _endTime - _startTime; //WCF proxy object var reporting = AppServerUtility.GetProxy<IReporting>(); //Send data to server reporting.WriteStatistics(_startTime, _endTime, timeResult, "some information"); } public void Stop() { //Here is the thread I have question with var thread = new Thread(StopTimerAndWriteStatistics); thread.Start(); } } Using of StopWatch class in Repository public class SomeRepository { public List<ObjectInfo> List() { StopWatch sw = new StopWatch(); sw.Start(); //performing long time operation sw.Stop(); } } What am I doing wrong with threads?

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• Java Memory Model: reordering and concurrent locks

  - by Steffen Heil

  Hi The java meomry model mandates that synchronize blocks that synchronize on the same monitor enforce a before-after-realtion on the variables modified within those blocks. Example: // in thread A synchronized( lock ) { x = true; } // in thread B synchronized( lock ) { System.out.println( x ); } In this case it is garanteed that thread B will see x==true as long as thread A already passed that synchronized-block. Now I am in the process to rewrite lots of code to use the more flexible (and said to be faster) locks in java.util.concurrent, especially the ReentrantReadWriteLock. So the example looks like this: // in thread A synchronized( lock ) { lock.writeLock().lock(); x = true; lock.writeLock().unlock(); } // in thread B synchronized( lock ) { lock.readLock().lock(); System.out.println( x ); lock.readLock().unlock(); } However, I have not seen any hints within the memory model specification that such locks also imply the nessessary ordering. Looking into the implementation it seems to rely on the access to volatile variables inside AbstractQueuedSynchronizer (for the sun implementation at least). However this is not part of any specification and moreover access to non-volatile variables is not really condsidered covered by the memory barrier given by these variables, is it? So, here are my questions: Is it safe to assume the same ordering as with the "old" synchronized blocks? Is this documented somewhere? Is accessing any volatile variable a memory barrier for any other variable? Regards, Steffen

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