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• Acer aspire 5735z wireless not working after upgrade to 11.10

  - by Jon

  I cant get my wifi card to work at all after upgrading to 11.10 Oneiric. I'm not sure where to start to fix this. Ive tried using the additional drivers tool but this shows that no additional drivers are needed. Before my upgrade I had a drivers working for the Rt2860 chipset. Any help on this would be much appreciated.... thanks Jon jon@ubuntu:~$ ifconfig eth0 Link encap:Ethernet HWaddr 00:1d:72:ec:76:d5 inet addr:192.168.1.134 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::21d:72ff:feec:76d5/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:7846 errors:0 dropped:0 overruns:0 frame:0 TX packets:7213 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8046624 (8.0 MB) TX bytes:1329442 (1.3 MB) Interrupt:16 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:91 errors:0 dropped:0 overruns:0 frame:0 TX packets:91 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:34497 (34.4 KB) TX bytes:34497 (34.4 KB) Ive included by dmesg output below [ 0.428818] NET: Registered protocol family 2 [ 0.429003] IP route cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.430562] TCP established hash table entries: 524288 (order: 11, 8388608 bytes) [ 0.436614] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 0.437409] TCP: Hash tables configured (established 524288 bind 65536) [ 0.437412] TCP reno registered [ 0.437431] UDP hash table entries: 2048 (order: 4, 65536 bytes) [ 0.437482] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) [ 0.437678] NET: Registered protocol family 1 [ 0.437705] pci 0000:00:02.0: Boot video device [ 0.437892] PCI: CLS 64 bytes, default 64 [ 0.437916] Simple Boot Flag at 0x57 set to 0x1 [ 0.438294] audit: initializing netlink socket (disabled) [ 0.438309] type=2000 audit(1319243447.432:1): initialized [ 0.440763] Freeing initrd memory: 13416k freed [ 0.468362] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.488192] VFS: Disk quotas dquot_6.5.2 [ 0.488254] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.488888] fuse init (API version 7.16) [ 0.488985] msgmni has been set to 5890 [ 0.489381] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 0.489413] io scheduler noop registered [ 0.489415] io scheduler deadline registered [ 0.489460] io scheduler cfq registered (default) [ 0.489583] pcieport 0000:00:1c.0: setting latency timer to 64 [ 0.489633] pcieport 0000:00:1c.0: irq 40 for MSI/MSI-X [ 0.489699] pcieport 0000:00:1c.1: setting latency timer to 64 [ 0.489741] pcieport 0000:00:1c.1: irq 41 for MSI/MSI-X [ 0.489800] pcieport 0000:00:1c.2: setting latency timer to 64 [ 0.489841] pcieport 0000:00:1c.2: irq 42 for MSI/MSI-X [ 0.489904] pcieport 0000:00:1c.3: setting latency timer to 64 [ 0.489944] pcieport 0000:00:1c.3: irq 43 for MSI/MSI-X [ 0.490006] pcieport 0000:00:1c.4: setting latency timer to 64 [ 0.490047] pcieport 0000:00:1c.4: irq 44 for MSI/MSI-X [ 0.490126] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.490149] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.490196] intel_idle: MWAIT substates: 0x1110 [ 0.490198] intel_idle: does not run on family 6 model 15 [ 0.491240] ACPI: Deprecated procfs I/F for AC is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared [ 0.493473] ACPI: AC Adapter [ADP1] (on-line) [ 0.493590] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input0 [ 0.496771] ACPI: Lid Switch [LID0] [ 0.496818] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input1 [ 0.496823] ACPI: Sleep Button [SLPB] [ 0.496865] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2 [ 0.496869] ACPI: Power Button [PWRF] [ 0.496900] ACPI: acpi_idle registered with cpuidle [ 0.498719] Monitor-Mwait will be used to enter C-1 state [ 0.498753] Monitor-Mwait will be used to enter C-2 state [ 0.498761] Marking TSC unstable due to TSC halts in idle [ 0.517627] thermal LNXTHERM:00: registered as thermal_zone0 [ 0.517630] ACPI: Thermal Zone [TZS0] (67 C) [ 0.524796] thermal LNXTHERM:01: registered as thermal_zone1 [ 0.524799] ACPI: Thermal Zone [TZS1] (67 C) [ 0.524823] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared [ 0.524852] ERST: Table is not found! [ 0.524948] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.680991] ACPI: Battery Slot [BAT0] (battery present) [ 0.688567] Linux agpgart interface v0.103 [ 0.688672] agpgart-intel 0000:00:00.0: Intel GM45 Chipset [ 0.688865] agpgart-intel 0000:00:00.0: detected gtt size: 2097152K total, 262144K mappable [ 0.689786] agpgart-intel 0000:00:00.0: detected 65536K stolen memory [ 0.689912] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xd0000000 [ 0.691006] brd: module loaded [ 0.691510] loop: module loaded [ 0.691967] Fixed MDIO Bus: probed [ 0.691990] PPP generic driver version 2.4.2 [ 0.692065] tun: Universal TUN/TAP device driver, 1.6 [ 0.692067] tun: (C) 1999-2004 Max Krasnyansky <[email protected]> [ 0.692146] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.692181] ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 20 (level, low) -> IRQ 20 [ 0.692206] ehci_hcd 0000:00:1a.7: setting latency timer to 64 [ 0.692210] ehci_hcd 0000:00:1a.7: EHCI Host Controller [ 0.692255] ehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1 [ 0.692289] ehci_hcd 0000:00:1a.7: debug port 1 [ 0.696181] ehci_hcd 0000:00:1a.7: cache line size of 64 is not supported [ 0.696202] ehci_hcd 0000:00:1a.7: irq 20, io mem 0xf8904800 [ 0.712014] ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00 [ 0.712131] hub 1-0:1.0: USB hub found [ 0.712136] hub 1-0:1.0: 6 ports detected [ 0.712230] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 0.712243] ehci_hcd 0000:00:1d.7: setting latency timer to 64 [ 0.712247] ehci_hcd 0000:00:1d.7: EHCI Host Controller [ 0.712287] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2 [ 0.712315] ehci_hcd 0000:00:1d.7: debug port 1 [ 0.716201] ehci_hcd 0000:00:1d.7: cache line size of 64 is not supported [ 0.716216] ehci_hcd 0000:00:1d.7: irq 23, io mem 0xf8904c00 [ 0.732014] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00 [ 0.732130] hub 2-0:1.0: USB hub found [ 0.732135] hub 2-0:1.0: 6 ports detected [ 0.732209] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.732223] uhci_hcd: USB Universal Host Controller Interface driver [ 0.732254] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 20 (level, low) -> IRQ 20 [ 0.732262] uhci_hcd 0000:00:1a.0: setting latency timer to 64 [ 0.732265] uhci_hcd 0000:00:1a.0: UHCI Host Controller [ 0.732298] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3 [ 0.732325] uhci_hcd 0000:00:1a.0: irq 20, io base 0x00001820 [ 0.732441] hub 3-0:1.0: USB hub found [ 0.732445] hub 3-0:1.0: 2 ports detected [ 0.732508] uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 20 (level, low) -> IRQ 20 [ 0.732514] uhci_hcd 0000:00:1a.1: setting latency timer to 64 [ 0.732518] uhci_hcd 0000:00:1a.1: UHCI Host Controller [ 0.732553] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4 [ 0.732577] uhci_hcd 0000:00:1a.1: irq 20, io base 0x00001840 [ 0.732696] hub 4-0:1.0: USB hub found [ 0.732700] hub 4-0:1.0: 2 ports detected [ 0.732762] uhci_hcd 0000:00:1a.2: PCI INT C -> GSI 20 (level, low) -> IRQ 20 [ 0.732768] uhci_hcd 0000:00:1a.2: setting latency timer to 64 [ 0.732772] uhci_hcd 0000:00:1a.2: UHCI Host Controller [ 0.732805] uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 5 [ 0.732829] uhci_hcd 0000:00:1a.2: irq 20, io base 0x00001860 [ 0.732942] hub 5-0:1.0: USB hub found [ 0.732946] hub 5-0:1.0: 2 ports detected [ 0.733007] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 0.733014] uhci_hcd 0000:00:1d.0: setting latency timer to 64 [ 0.733017] uhci_hcd 0000:00:1d.0: UHCI Host Controller [ 0.733057] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 6 [ 0.733082] uhci_hcd 0000:00:1d.0: irq 23, io base 0x00001880 [ 0.733202] hub 6-0:1.0: USB hub found [ 0.733206] hub 6-0:1.0: 2 ports detected [ 0.733265] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 0.733273] uhci_hcd 0000:00:1d.1: setting latency timer to 64 [ 0.733276] uhci_hcd 0000:00:1d.1: UHCI Host Controller [ 0.733313] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 7 [ 0.733351] uhci_hcd 0000:00:1d.1: irq 17, io base 0x000018a0 [ 0.733466] hub 7-0:1.0: USB hub found [ 0.733470] hub 7-0:1.0: 2 ports detected [ 0.733532] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18 [ 0.733539] uhci_hcd 0000:00:1d.2: setting latency timer to 64 [ 0.733542] uhci_hcd 0000:00:1d.2: UHCI Host Controller [ 0.733578] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 8 [ 0.733610] uhci_hcd 0000:00:1d.2: irq 18, io base 0x000018c0 [ 0.733730] hub 8-0:1.0: USB hub found [ 0.733736] hub 8-0:1.0: 2 ports detected [ 0.733843] i8042: PNP: PS/2 Controller [PNP0303:KBD0,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ 0.751594] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.751605] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.751732] mousedev: PS/2 mouse device common for all mice [ 0.752670] rtc_cmos 00:08: RTC can wake from S4 [ 0.752770] rtc_cmos 00:08: rtc core: registered rtc_cmos as rtc0 [ 0.752796] rtc0: alarms up to one month, y3k, 242 bytes nvram, hpet irqs [ 0.752907] device-mapper: uevent: version 1.0.3 [ 0.752976] device-mapper: ioctl: 4.20.0-ioctl (2011-02-02) initialised: [email protected] [ 0.753028] cpuidle: using governor ladder [ 0.753093] cpuidle: using governor menu [ 0.753096] EFI Variables Facility v0.08 2004-May-17 [ 0.753361] TCP cubic registered [ 0.753482] NET: Registered protocol family 10 [ 0.753966] NET: Registered protocol family 17 [ 0.753992] Registering the dns_resolver key type [ 0.754113] PM: Hibernation image not present or could not be loaded. [ 0.754131] registered taskstats version 1 [ 0.771553] Magic number: 15:152:507 [ 0.771667] rtc_cmos 00:08: setting system clock to 2011-10-22 00:30:48 UTC (1319243448) [ 0.772238] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 0.772240] EDD information not available. [ 0.774165] Freeing unused kernel memory: 984k freed [ 0.774504] Write protecting the kernel read-only data: 10240k [ 0.774755] Freeing unused kernel memory: 20k freed [ 0.775093] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3 [ 0.779727] Freeing unused kernel memory: 1400k freed [ 0.801946] udevd[84]: starting version 173 [ 0.880950] sky2: driver version 1.28 [ 0.881046] sky2 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 0.881096] sky2 0000:02:00.0: setting latency timer to 64 [ 0.881197] sky2 0000:02:00.0: Yukon-2 Extreme chip revision 2 [ 0.881871] sky2 0000:02:00.0: irq 45 for MSI/MSI-X [ 0.896273] sky2 0000:02:00.0: eth0: addr 00:1d:72:ec:76:d5 [ 0.910630] ahci 0000:00:1f.2: version 3.0 [ 0.910647] ahci 0000:00:1f.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19 [ 0.910710] ahci 0000:00:1f.2: irq 46 for MSI/MSI-X [ 0.910775] ahci: SSS flag set, parallel bus scan disabled [ 0.910812] ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 4 ports 3 Gbps 0x33 impl SATA mode [ 0.910816] ahci 0000:00:1f.2: flags: 64bit ncq sntf stag pm led clo pio slum part ccc ems sxs [ 0.910821] ahci 0000:00:1f.2: setting latency timer to 64 [ 0.941773] scsi0 : ahci [ 0.941954] scsi1 : ahci [ 0.942038] scsi2 : ahci [ 0.942118] scsi3 : ahci [ 0.942196] scsi4 : ahci [ 0.942268] scsi5 : ahci [ 0.942332] ata1: SATA max UDMA/133 abar m2048@0xf8904000 port 0xf8904100 irq 46 [ 0.942336] ata2: SATA max UDMA/133 abar m2048@0xf8904000 port 0xf8904180 irq 46 [ 0.942339] ata3: DUMMY [ 0.942340] ata4: DUMMY [ 0.942344] ata5: SATA max UDMA/133 abar m2048@0xf8904000 port 0xf8904300 irq 46 [ 0.942347] ata6: SATA max UDMA/133 abar m2048@0xf8904000 port 0xf8904380 irq 46 [ 1.028061] usb 1-5: new high speed USB device number 2 using ehci_hcd [ 1.181775] usbcore: registered new interface driver uas [ 1.260062] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 1.261126] ata1.00: ATA-8: Hitachi HTS543225L9A300, FBEOC40C, max UDMA/133 [ 1.261129] ata1.00: 488397168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 1.262360] ata1.00: configured for UDMA/133 [ 1.262518] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54322 FBEO PQ: 0 ANSI: 5 [ 1.262716] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1.262762] sd 0:0:0:0: [sda] 488397168 512-byte logical blocks: (250 GB/232 GiB) [ 1.262824] sd 0:0:0:0: [sda] Write Protect is off [ 1.262827] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 1.262851] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.287277] sda: sda1 sda2 sda3 [ 1.287693] sd 0:0:0:0: [sda] Attached SCSI disk [ 1.580059] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 1.581188] ata2.00: ATAPI: HL-DT-STDVDRAM GT10N, 1.00, max UDMA/100 [ 1.582663] ata2.00: configured for UDMA/100 [ 1.584162] scsi 1:0:0:0: CD-ROM HL-DT-ST DVDRAM GT10N 1.00 PQ: 0 ANSI: 5 [ 1.585821] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray [ 1.585824] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 1.585953] sr 1:0:0:0: Attached scsi CD-ROM sr0 [ 1.586038] sr 1:0:0:0: Attached scsi generic sg1 type 5 [ 1.632061] usb 6-1: new low speed USB device number 2 using uhci_hcd [ 1.908056] ata5: SATA link down (SStatus 0 SControl 300) [ 2.228065] ata6: SATA link down (SStatus 0 SControl 300) [ 2.228955] Initializing USB Mass Storage driver... [ 2.229052] usbcore: registered new interface driver usb-storage [ 2.229054] USB Mass Storage support registered. [ 2.235827] scsi6 : usb-storage 1-5:1.0 [ 2.235987] usbcore: registered new interface driver ums-realtek [ 2.244451] input: B16_b_02 USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb6/6-1/6-1:1.0/input/input4 [ 2.244598] generic-usb 0003:046D:C025.0001: input,hidraw0: USB HID v1.10 Mouse [B16_b_02 USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1/input0 [ 2.244620] usbcore: registered new interface driver usbhid [ 2.244622] usbhid: USB HID core driver [ 3.091083] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null) [ 3.238275] scsi 6:0:0:0: Direct-Access Generic- Multi-Card 1.00 PQ: 0 ANSI: 0 CCS [ 3.348261] sd 6:0:0:0: Attached scsi generic sg2 type 0 [ 3.351897] sd 6:0:0:0: [sdb] Attached SCSI removable disk [ 47.138012] udevd[334]: starting version 173 [ 47.177678] lp: driver loaded but no devices found [ 47.197084] wmi: Mapper loaded [ 47.197526] acer_wmi: Acer Laptop ACPI-WMI Extras [ 47.210227] acer_wmi: Brightness must be controlled by generic video driver [ 47.566578] Disabling lock debugging due to kernel taint [ 47.584050] ndiswrapper version 1.56 loaded (smp=yes, preempt=no) [ 47.620666] type=1400 audit(1319239895.347:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=624 comm="apparmor_parser" [ 47.620934] type=1400 audit(1319239895.347:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=624 comm="apparmor_parser" [ 47.621108] type=1400 audit(1319239895.347:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=624 comm="apparmor_parser" [ 47.633056] [drm] Initialized drm 1.1.0 20060810 [ 47.722594] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 47.722602] i915 0000:00:02.0: setting latency timer to 64 [ 47.807152] ndiswrapper (check_nt_hdr:141): kernel is 64-bit, but Windows driver is not 64-bit;bad magic: 010B [ 47.807159] ndiswrapper (load_sys_files:206): couldn't prepare driver 'rt2860' [ 47.807930] ndiswrapper (load_wrap_driver:108): couldn't load driver rt2860; check system log for messages from 'loadndisdriver' [ 47.856250] usbcore: registered new interface driver ndiswrapper [ 47.861772] i915 0000:00:02.0: irq 47 for MSI/MSI-X [ 47.861781] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 47.861783] [drm] Driver supports precise vblank timestamp query. [ 47.861842] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 47.980620] fixme: max PWM is zero. [ 48.286153] fbcon: inteldrmfb (fb0) is primary device [ 48.287033] Console: switching to colour frame buffer device 170x48 [ 48.287062] fb0: inteldrmfb frame buffer device [ 48.287064] drm: registered panic notifier [ 48.333883] acpi device:02: registered as cooling_device2 [ 48.334053] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input5 [ 48.334128] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 48.334203] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [ 48.334644] HDA Intel 0000:00:1b.0: power state changed by ACPI to D0 [ 48.334652] HDA Intel 0000:00:1b.0: power state changed by ACPI to D0 [ 48.334673] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21 [ 48.334737] HDA Intel 0000:00:1b.0: irq 48 for MSI/MSI-X [ 48.334772] HDA Intel 0000:00:1b.0: setting latency timer to 64 [ 48.356107] Adding 261116k swap on /host/ubuntu/disks/swap.disk. Priority:-1 extents:1 across:261116k [ 48.380946] hda_codec: ALC268: BIOS auto-probing. [ 48.390242] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6 [ 48.390365] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7 [ 48.490870] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro,user_xattr [ 48.917990] ppdev: user-space parallel port driver [ 48.950729] type=1400 audit(1319239896.675:5): apparmor="STATUS" operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" pid=941 comm="apparmor_parser" [ 48.951114] type=1400 audit(1319239896.675:6): apparmor="STATUS" operation="profile_load" name="/usr/sbin/cupsd" pid=941 comm="apparmor_parser" [ 48.977706] Synaptics Touchpad, model: 1, fw: 7.2, id: 0x1c0b1, caps: 0xd04733/0xa44000/0xa0000 [ 49.048871] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input8 [ 49.078713] sky2 0000:02:00.0: eth0: enabling interface [ 49.079462] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 50.762266] sky2 0000:02:00.0: eth0: Link is up at 100 Mbps, full duplex, flow control rx [ 50.762702] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 54.751478] type=1400 audit(1319239902.475:7): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm-guest-session-wrapper" pid=1039 comm="apparmor_parser" [ 54.755907] type=1400 audit(1319239902.479:8): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=1040 comm="apparmor_parser" [ 54.756237] type=1400 audit(1319239902.483:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1040 comm="apparmor_parser" [ 54.756417] type=1400 audit(1319239902.483:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1040 comm="apparmor_parser" [ 54.764825] type=1400 audit(1319239902.491:11): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince" pid=1041 comm="apparmor_parser" [ 54.768365] type=1400 audit(1319239902.495:12): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-previewer" pid=1041 comm="apparmor_parser" [ 54.770601] type=1400 audit(1319239902.495:13): apparmor="STATUS" operation="profile_load" name="/usr/bin/evince-thumbnailer" pid=1041 comm="apparmor_parser" [ 54.770729] type=1400 audit(1319239902.495:14): apparmor="STATUS" operation="profile_load" name="/usr/share/gdm/guest-session/Xsession" pid=1038 comm="apparmor_parser" [ 54.775181] type=1400 audit(1319239902.499:15): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=1043 comm="apparmor_parser" [ 54.775533] type=1400 audit(1319239902.499:16): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/telepathy-*" pid=1043 comm="apparmor_parser" [ 54.936691] init: failsafe main process (891) killed by TERM signal [ 54.944583] init: apport pre-start process (1096) terminated with status 1 [ 55.000373] init: apport post-stop process (1160) terminated with status 1 [ 55.005291] init: gdm main process (1159) killed by TERM signal [ 59.782579] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro,user_xattr,commit=0 [ 60.992021] eth0: no IPv6 routers present [ 61.936072] device eth0 entered promiscuous mode [ 62.053949] Bluetooth: Core ver 2.16 [ 62.054005] NET: Registered protocol family 31 [ 62.054007] Bluetooth: HCI device and connection manager initialized [ 62.054010] Bluetooth: HCI socket layer initialized [ 62.054012] Bluetooth: L2CAP socket layer initialized [ 62.054993] Bluetooth: SCO socket layer initialized [ 62.058750] Bluetooth: RFCOMM TTY layer initialized [ 62.058758] Bluetooth: RFCOMM socket layer initialized [ 62.058760] Bluetooth: RFCOMM ver 1.11 [ 62.059428] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 62.059432] Bluetooth: BNEP filters: protocol multicast [ 62.460389] init: plymouth-stop pre-start process (1662) terminated with status 1 '

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• PASS: Bylaw Changes

  - by Bill Graziano

  While you’re reading this, a post should be going up on the PASS blog on the plans to change our bylaws.  You should be able to find our old bylaws, our proposed bylaws and a red-lined version of the changes.  We plan to listen to feedback until March 31st.  At that point we’ll decide whether to vote on these changes or take other action. The executive summary is that we’re adding a restriction to prevent more than two people from the same company on the Board and eliminating the Board’s Officer Appointment Committee to have Officers directly elected by the Board.  This second change better matches how officer elections have been conducted in the past. The Gritty Details Our scope was to change bylaws to match how PASS actually works and tackle a limited set of issues.  Changing the bylaws is hard.  We’ve been working on these changes since the March board meeting last year.  At that meeting we met and talked through the issues we wanted to address.  In years past the Board has tried to come up with language and then we’ve discussed and negotiated to get to the result.  In March, we gave HQ guidance on what we wanted and asked them to come up with a starting point.  Hannes worked on building us an initial set of changes that we could work our way through.  Discussing changes like this over email is difficult wasn’t very productive.  We do a much better job on this at the in-person Board meetings.  Unfortunately there are only 2 or 3 of those a year. In August we met in Nashville and spent time discussing the changes.  That was also the day after we released the slate for the 2010 election. The discussion around that colored what we talked about in terms of these changes.  We talked very briefly at the Summit and again reviewed and revised the changes at the Board meeting in January.  This is the result of those changes and discussions. We made numerous small changes to clean up language and make wording more clear.  We also made two big changes. Director Employment Restrictions The first is that only two people from the same company can serve on the Board at the same time.  The actual language in section VI.3 reads: A maximum of two (2) Directors who are employed by, or who are joint owners or partners in, the same for-profit venture, company, organization, or other legal entity, may concurrently serve on the PASS Board of Directors at any time. The definition of “employed” is at the sole discretion of the Board. And what a mess this turns out to be in practice.  Our membership is a hodgepodge of interlocking relationships.  Let’s say three Board members get together and start a blog service for SQL Server bloggers.  It’s technically for-profit.  Let’s assume it makes $8 in the first year.  Does that trigger this clause?  (Technically yes.)  We had a horrible time trying to write language that covered everything.  All the sample bylaws that we found were just as vague as this. That led to the third clause in this section.  The first sentence reads: The Board of Directors reserves the right, strictly on a case-by-case basis, to overrule the requirements of Section VI.3 by majority decision for any single Director’s conflict of employment. We needed some way to handle the trivial issues and exercise some judgment.  It seems like a public vote is the best way.  This discloses the relationship and gets each Board member on record on the issue.   In practice I think this clause will rarely be used.  I think this entire section will only be invoked for actual employment issues and not for small side projects.  In either case we have the mechanisms in place to handle it in a public, transparent way. That’s the first and third clauses.  The second clause says that if your situation changes and you fall afoul of this restriction you need to notify the Board.  The clause further states that if this new job means a Board members violates the “two-per-company” rule the Board may request their resignation.  The Board can also  allow the person to continue serving with a majority vote.  I think this will also take some judgment.  Consider a person switching jobs that leads to three people from the same company.  I’m very likely to ask for someone to resign if all three are two weeks into a two year term.  I’m unlikely to ask anyone to resign if one is two weeks away from ending their term.  In either case, the decision will be a public vote that we can be held accountable for. One concern that was raised was whether this would affect someone choosing to accept a job.  I think that’s a choice for them to make.  PASS is clearly stating its intent that only two directors from any one organization should serve at any time.  Once these bylaws are approved, this policy should not come as a surprise to any potential or current Board members considering a job change.  This clause isn’t perfect.  The biggest hole is business relationships that aren’t defined above.  Let’s say that two employees from company “X” serve on the Board.  What happens if I accept a full-time consulting contract with that company?  Let’s assume I’m working directly for one of the two existing Board members.  That doesn’t violate section VI.3.  But I think it’s clearly the kind of relationship we’d like to prevent.  Unfortunately that was even harder to write than what we have now.  I fully expect that in the next revision of the bylaws we’ll address this.  It just didn’t make it into this one. Officer Elections The officer election process received a slightly different rewrite.  Our goal was to codify in the bylaws the actual process we used to elect the officers.  The officers are the President, Executive Vice-President (EVP) and Vice-President of Marketing.  The Immediate Past President (IPP) is also an officer but isn’t elected.  The IPP serves in that role for two years after completing their term as President.  We do that for continuity’s sake.  Some organizations have a President-elect that serves for one or two years.  The group that founded PASS chose to have an IPP. When I started on the Board, the Nominating Committee (NomCom) selected the slate for the at-large directors and the slate for the officers.  There was always one candidate for each officer position.  It wasn’t really an election so much as the NomCom decided who the next person would be for each officer position.  Behind the scenes the Board worked to select the best people for the role. In June 2009 that process was changed to bring it line with what actually happens.  An Officer Appointment Committee was created that was a subset of the Board.  That committee would take time to interview the candidates and present a slate to the Board for approval.  The majority vote of the Board would determine the officers for the next two years.  In practice the Board itself interviewed the candidates and conducted the elections.  That means it was time to change the bylaws again. Section VII.2 and VII.3 spell out the process used to select the officers.  We use the phrase “Officer Appointment” to separate it from the Director election but the end result is that the Board elects the officers.  Section VII.3 starts: Officers shall be appointed bi-annually by a majority of all the voting members of the Board of Directors. Everything else revolves around that sentence.  We use the word appoint but they truly are elected.  There are details in the bylaws for term limits, minimum requirements for President (1 prior term as an officer), tie breakers and filling vacancies. In practice we will have an election for President, then an election for EVP and then an election for VP Marketing.  That means that losing candidates will be able to fall down the ladder and run for the next open position.  Another point to note is that officers aren’t at-large directors.  That means if a current sitting officer loses all three elections they are off the Board.  Having Board member votes public will help with the transparency of this approach. This process has a number of positive and negatives.  The biggest concern I expect to hear is that our members don’t directly choose the officers.  I’m going to try and list all the positives and negatives of this approach. Many non-profits value continuity and are slower to change than a business.  On the plus side this promotes that.  On the negative side this promotes that.  If we change too slowly the members complain that we aren’t responsive.  If we change too quickly we make mistakes and fail at various things.  We’ve been criticized for both of those lately so I’m not entirely sure where to draw the line.  My rough assumption to this point is that we’re going too slow on governance and too quickly on becoming “more than a Summit.”  This approach creates competition in the officer elections.  If you are an at-large director there is no consequence to losing an election.  If you are an officer the only way to stay on the Board is to win an officer election or an at-large election.  If you are an officer and lose an election you can always run for the next office down.  This makes it very easy for multiple people to contest an election. There is value in a person moving through the officer positions up to the Presidency.  Having the Board select the officers promotes this.  The down side is that it takes a LOT of time to get to the Presidency.  We’ve had good people struggle with burnout.  We’ve had lots of discussion around this.  The process as we’ve described it here makes it possible for someone to move quickly through the ranks but doesn’t prevent people from working their way up through each role. We talked long and hard about having the officers elected by the members.  We had a self-imposed deadline to complete these changes prior to elections this summer. The other challenge was that our original goal was to make the bylaws reflect our actual process rather than create a new one.  I believe we accomplished this goal. We ran out of time to consider this option in the detail it needs.  Having member elections for officers needs a number of problems solved.  We would need a way for candidates to fall through the election.  This is what promotes competition.  Without this few people would risk an election and we’ll be back to one candidate per slot.  We need to do this without having multiple elections.  We may be able to copy what other organizations are doing but I was surprised at how little I could find on other organizations.  We also need a way for people that lose an officer election to win an at-large election.  Otherwise we’ll have very little competition for officers. This brings me to an area that I think we as a Board haven’t done a good job.  We haven’t built a strong process to tell you who is doing a good job and who isn’t.  This is a double-edged sword.  I don’t want to highlight Board members that are failing.  That’s not a good way to get people to volunteer and run for the Board.  But I also need a way let the members make an informed choice about who is doing a good job and would make a good officer.  Encouraging Board members to blog, publishing minutes and making votes public helps in that regard but isn’t the final answer.  I don’t know what the final answer is yet.  I do know that the Board members themselves are uniquely positioned to know which other Board members are doing good work.  They know who speaks up in meetings, who works to build consensus, who has good ideas and who works with the members.  What I Could Do Better I’ve learned a lot writing this about how we communicated with our members.  The next time we revise the bylaws I’d do a few things differently.  The biggest change would be to provide better documentation.  The March 2009 minutes provide a very detailed look into what changes we wanted to make to the bylaws.  Looking back, I’m a little surprised at how closely they matched our final changes and covered the various arguments.  If you just read those you’d get 90% of what we eventually changed.  Nearly everything else was just details around implementation.  I’d also consider publishing a scope document defining exactly what we were doing any why.  I think it really helped that we had a limited, defined goal in mind.  I don’t think we did a good job communicating that goal outside the meeting minutes though. That said, I wish I’d blogged more after the August and January meeting.  I think it would have helped more people to know that this change was coming and to be ready for it. Conclusion These changes address two big concerns that the Board had.  First, it prevents a single organization from dominating the Board.  Second, it codifies and clearly spells out how officers are elected.  This is the process that was previously followed but it was somewhat murky.  These changes bring clarity to this and clearly explain the process the Board will follow. We’re going to listen to feedback until March 31st.  At that time we’ll decide whether to approve these changes.  I’m also assuming that we’ll start another round of changes in the next year or two.  Are there other issues in the bylaws that we should tackle in the future?

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• MINSCN?Cache Fusion Read Consistent

  - by Liu Maclean(???)

  ????? ???Ask Maclean Home ???  RAC ? Past Image PI????, ?????????,???11.2.0.3 2 Node RAC??????????: SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production PL/SQL Release 11.2.0.3.0 - Production CORE 11.2.0.3.0 Production TNS for Linux: Version 11.2.0.3.0 - Production NLSRTL Version 11.2.0.3.0 - Production SQL> select * from global_name; GLOBAL_NAME -------------------------------------------------------------------------------- www.oracledatabase12g.com SQL> drop table test purge; Table dropped. SQL> alter system flush buffer_cache; System altered. SQL> create table test(id number); insert into test values(1); insert into test values(2); commit; /* ???? rowid??TEST????2????????? */ select dbms_rowid.rowid_block_number(rowid),dbms_rowid.rowid_relative_fno(rowid) from test; DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID) DBMS_ROWID.ROWID_RELATIVE_FNO(ROWID) ------------------------------------ ------------------------------------                                89233                                    1                                89233                                    1 SQL> alter system flush buffer_cache; System altered. Instance 1 Session A ??UPDATE??: SQL> update test set id=id+1 where id=1; 1 row updated. Instance 1 Session B ??x$BH buffer header?? ?? ??Buffer??? SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;      STATE CR_SCN_BAS ---------- ----------          1          0          3    1227595 X$BH ??? STATE????Buffer???, ???????: STATE NUMBER KCBBHFREE 0 buffer free KCBBHEXLCUR 1 buffer current (and if DFS locked X) KCBBHSHRCUR 2 buffer current (and if DFS locked S) KCBBHCR 3 buffer consistant read KCBBHREADING 4 Being read KCBBHMRECOVERY 5 media recovery (current & special) KCBBHIRECOVERY 6 Instance recovery (somewhat special) ????????????? : state =1 Xcurrent ? state=2 Scurrent ? state=3 CR ??? Instance 2  ?? ????????????? ,???? gc current block 2 way  ??Current Block ??? Instance 2, ?? Instance 1 ??”Current Block” Convert ? Past Image: Instance 2 Session C SQL> update test set id=id+1 where id=2; 1 row updated. Instance 2 Session D SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 1 0 3 1227641 3 1227638 STATE =1 ?Xcurrent block???? Instance 2 , ??? Instance 1 ??? GC??: Instance 1 Session B SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;      STATE CR_SCN_BAS ---------- ----------          3    1227641          3    1227638          8          0          3    1227595 ???????, ??????Instance 1??session A????TEST??SELECT??? ,????? 3? State=3?CR ? ??????1?: Instance 1 session A ?????UPDATE? session SQL> alter session set events '10046 trace name context forever,level 8:10708 trace name context forever,level 103: trace[rac.*] disk high'; Session altered. SQL> select * from test;         ID ----------          2          2 select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;       STATE CR_SCN_BAS ---------- ----------          3    1227716          3    1227713          8          0 ?????????v$BH ????CR????,?????SELECT??? CR????????,???????? ?????????? ??X$BH?????? , ?????CR??SCN Version???: 1227641?1227638?1227595, ?SELECT?????? 2???SCN version?CR? 1227716? 1227713 ???, Oracle????????? ?????????SELECT??????event 10708? rac.*???TRACE,??????TRACE??: PARSING IN CURSOR #140444679938584 len=337 dep=1 uid=0 oct=3 lid=0 tim=1335698913632292 hv=3345277572 ad='bc0e68c8' sqlid='baj7tjm3q9sn4' SELECT /* OPT_DYN_SAMP */ /*+ ALL_ROWS IGNORE_WHERE_CLAUSE NO_PARALLEL(SAMPLESUB) opt_param('parallel_execution_enabled', 'false') NO_PARALLEL_INDEX(SAMPLESUB) NO_SQL_TUNE */ NVL(SUM(C1),0), NVL(SUM(C2),0) FROM (SELECT /*+ NO_PARALLEL("TEST") FULL("TEST") NO_PARALLEL_INDEX("TEST") */ 1 AS C1, 1 AS C2 FROM "SYS"."TEST" "TEST") SAMPLESUB END OF STMT PARSE #140444679938584:c=1000,e=27630,p=0,cr=0,cu=0,mis=1,r=0,dep=1,og=1,plh=1950795681,tim=1335698913632252 EXEC #140444679938584:c=0,e=44,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=1,plh=1950795681,tim=1335698913632390 *** 2012-04-29 07:28:33.632 kclscrs: req=0 block=1/89233 *** 2012-04-29 07:28:33.632 kclscrs: bid=1:3:1:0:7:80:1:0:4:0:0:0:1:2:4:1:26:0:0:0:70:1a:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:4:3:2:1:2:0:3f:0:1c:86:2d:4:0:0:0:0:a2:3c:7c:b:70:1a:0:0:0:0:1:0:7a:f8:76:1d:1:2:dc:5:a9:fe:17:75:0:0:0:0:0:0:0:0:0:0:0:0:63:e5:0:0:0:0:0:0:10:0:0:0 2012-04-29 07:28:33.632578 : kjbcrc[0x15c91.1 76896.0][9] 2012-04-29 07:28:33.632616 : GSIPC:GMBQ: buff 0xba1e8f90, queue 0xbb79f278, pool 0x60013fa0, freeq 1, nxt 0xbb79f278, prv 0xbb79f278 2012-04-29 07:28:33.632634 : kjbmscrc(0x15c91.1)seq 0x2 reqid=0x1c(shadow 0xb4bb4458,reqid x1c)mas@2(infosz 200)(direct 1) 2012-04-29 07:28:33.632654 : kjbsentscn[0x0.12bbc1][to 2] 2012-04-29 07:28:33.632669 : GSIPC:SENDM: send msg 0xba1e9000 dest x20001 seq 24026 type 32 tkts xff0000 mlen x17001a0 2012-04-29 07:28:33.633385 : GSIPC:KSXPCB: msg 0xba1e9000 status 30, type 32, dest 2, rcvr 1 *** 2012-04-29 07:28:33.633 kclwcrs: wait=0 tm=689 *** 2012-04-29 07:28:33.633 kclwcrs: got 1 blocks from ksxprcv WAIT #140444679938584: nam='gc cr block 2-way' ela= 689 p1=1 p2=89233 p3=1 obj#=76896 tim=1335698913633418 2012-04-29 07:28:33.633490 : kjbcrcomplete[0x15c91.1 76896.0][0] 2012-04-29 07:28:33.633510 : kjbrcvdscn[0x0.12bbc1][from 2][idx 2012-04-29 07:28:33.633527 : kjbrcvdscn[no bscn <= rscn 0x0.12bbc1][from 2] *** 2012-04-29 07:28:33.633 kclwcrs: req=0 typ=cr(2) wtyp=2hop tm=689 ??TRACE???? ?????????TEST??????, ???????Dynamic Sampling?????,???????TEST?? CR???,???????’gc cr block 2-way’ ??: 2012-04-29 07:28:33.632654 : kjbsentscn[0x0.12bbc1][to 2] 12bbc1= 1227713  ???X$BH????CR???,kjbsentscn[0x0.12bbc1][to 2] ????? ? Instance 2 ???SCN=12bbc1=1227713   DBA=0x15c91.1 76896.0 ?  CR Request(obj#=76896) ??kjbrcvdscn????? [no bscn <= rscn 0x0.12bbc1][from 2] ,??? ??receive? SCN Version =12bbc1 ???Best Version CR Server Arch ??????????????????SELECT??: PARSING IN CURSOR #140444682869592 len=18 dep=0 uid=0 oct=3 lid=0 tim=1335698913635874 hv=1689401402 ad='b1a188f0' sqlid='c99yw1xkb4f1u' select * from test END OF STMT PARSE #140444682869592:c=4999,e=34017,p=0,cr=7,cu=0,mis=1,r=0,dep=0,og=1,plh=1357081020,tim=1335698913635870 EXEC #140444682869592:c=0,e=23,p=0,cr=0,cu=0,mis=0,r=0,dep=0,og=1,plh=1357081020,tim=1335698913635939 WAIT #140444682869592: nam='SQL*Net message to client' ela= 7 driver id=1650815232 #bytes=1 p3=0 obj#=0 tim=1335698913636071 *** 2012-04-29 07:28:33.636 kclscrs: req=0 block=1/89233 *** 2012-04-29 07:28:33.636 kclscrs: bid=1:3:1:0:7:83:1:0:4:0:0:0:1:2:4:1:26:0:0:0:70:1a:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:0:4:3:2:1:2:0:2:0:1c:86:2d:4:0:0:0:0:a2:3c:7c:b:70:1a:0:0:0:0:1:0:7d:f8:76:1d:1:2:dc:5:a9:fe:17:75:0:0:0:0:0:0:0:0:0:0:0:0:63:e5:0:0:0:0:0:0:10:0:0:0 2012-04-29 07:28:33.636209 : kjbcrc[0x15c91.1 76896.0][9] 2012-04-29 07:28:33.636228 : GSIPC:GMBQ: buff 0xba0e5d50, queue 0xbb79f278, pool 0x60013fa0, freeq 1, nxt 0xbb79f278, prv 0xbb79f278 2012-04-29 07:28:33.636244 : kjbmscrc(0x15c91.1)seq 0x3 reqid=0x1d(shadow 0xb4bb4458,reqid x1d)mas@2(infosz 200)(direct 1) 2012-04-29 07:28:33.636252 : kjbsentscn[0x0.12bbc4][to 2] 2012-04-29 07:28:33.636358 : GSIPC:SENDM: send msg 0xba0e5dc0 dest x20001 seq 24029 type 32 tkts xff0000 mlen x17001a0 2012-04-29 07:28:33.636861 : GSIPC:KSXPCB: msg 0xba0e5dc0 status 30, type 32, dest 2, rcvr 1 *** 2012-04-29 07:28:33.637 kclwcrs: wait=0 tm=865 *** 2012-04-29 07:28:33.637 kclwcrs: got 1 blocks from ksxprcv WAIT #140444682869592: nam='gc cr block 2-way' ela= 865 p1=1 p2=89233 p3=1 obj#=76896 tim=1335698913637294 2012-04-29 07:28:33.637356 : kjbcrcomplete[0x15c91.1 76896.0][0] 2012-04-29 07:28:33.637374 : kjbrcvdscn[0x0.12bbc4][from 2][idx 2012-04-29 07:28:33.637389 : kjbrcvdscn[no bscn <= rscn 0x0.12bbc4][from 2] *** 2012-04-29 07:28:33.637 kclwcrs: req=0 typ=cr(2) wtyp=2hop tm=865 ???, “SELECT * FROM TEST”??????’gc cr block 2-way’??:2012-04-29 07:28:33.637374 : kjbrcvdscn[0x0.12bbc4][from 2][idx 2012-04-29 07:28:33.637389 : kjbrcvdscn[no bscn ??Foreground Process? Remote LMS??got?? SCN=1227716 Version?CR, ??? ?????X$BH ?????scn??? ??????????Instance 1????2?SCN???CR?, ???????????Instance 1 Buffer Cache?? ??SCN Version ???CR ??????? ?????????: SQL> alter system set "_enable_minscn_cr"=false scope=spfile; System altered. SQL> alter system set "_db_block_max_cr_dba"=20 scope=spfile; System altered. SQL> startup force; ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance ORACLE instance started. Total System Global Area 1570009088 bytes Fixed Size 2228704 bytes Variable Size 989859360 bytes Database Buffers 570425344 bytes Redo Buffers 7495680 bytes Database mounted. Database opened. ???? “_enable_minscn_cr”=false ? “_db_block_max_cr_dba”=20 ???RAC????, ??????: ?Instance 2 Session C ?update??????? ?????Instance 1 ????? ,????Instance 1?Request CR SQL> update test set id=id+1 where id=2; -- Instance 2 1 row updated. SQL> select * From test; -- Instance 1 ID ---------- 1 2 ??? Instance 1? X$BH?? select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0;  STATE CR_SCN_BAS ---------- ---------- 3 1273080 3 1273071 3 1273041 3 1273039 8 0 SQL> update test set id=id+1 where id=3; 1 row updated. SQL> select * From test; ID ---------- 1 2 SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1273091 3 1273080 3 1273071 3 1273041 3 1273039 8 0 ................... SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1273793 3 1273782 3 1273780 3 1273769 3 1273734 3 1273715 3 1273691 3 1273679 3 1273670 3 1273643 3 1273635 3 1273623 3 1273106 3 1273091 3 1273080 3 1273071 3 1273041 3 1273039 3 1273033 19 rows selected. SQL> select state,cr_scn_bas from x$bh where file#=1 and dbablk=89233 and state!=0; STATE CR_SCN_BAS ---------- ---------- 3 1274993 ????? ???? “_enable_minscn_cr”(enable/disable minscn optimization for CR)=false ? “_db_block_max_cr_dba”=20 (Maximum Allowed Number of CR buffers per dba) 2? ??? ????? Instance 1 ??????????? ?? 19????CR?? “_enable_minscn_cr”?11g??????????,???Oracle????CR????SCN,?Foreground Process Receive????????????(SCN??)?SCN Version CR Block??????CBC?? SCN??????CR? , ?????????Buffer Cache??????? ????SCN Version?CR????,????? ?????????? ?????Snap_Scn ?? SCN?? ?????????Current SCN, ??????CR??????????????????????, ????Buffer Cache? ?????????? CR?????????, ?????? “_db_block_max_cr_dba” ???????, ???????????20 ,??????Buffer Cache?????19????CR?; ???”_db_block_max_cr_dba” ???????6 , ?????Buffer cache????????CR ???????6?? ??”_enable_minscn_cr” ??CR???MINSCN ??????, ?????????CR???????, ????? Foreground Process??????CR Request , ?? Holder Instance LMS ?build?? BEST CR ??, ?????????

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• Openlayers - Redraw() layer. Add / Remove layer.

  - by Ozaki

  TLDR: I have an Openlayers map with a layer called 'track' I want to remove track and add track back in. I have an image 'imageFeature' on a layer that rotates on load to the direction being set. I want it to update this rotation that is set in 'styleMap' on a layer called 'tracking'. I set the var 'stylemap' to apply the external image & rotation. The 'imageFeature' is added to the layer at the coords specified. 'imageFeature' is removed. 'imageFeature' is added again in its new location. Rotation is not applied.. As the 'styleMap' applies to the layer I think that I have to remove the layer and add it again rather than just the 'imageFeature' Layer: var tracking = new OpenLayers.Layer.GML("Tracking", "coordinates.json", { format: OpenLayers.Format.GeoJSON, styleMap: styleMap }); styleMap: var styleMap = new OpenLayers.StyleMap({ fillOpacity: 1, pointRadius: 10, rotation: heading, }); Now wrapped in a timed function the imageFeature: map.layers[3].addFeatures(new OpenLayers.Feature.Vector( new OpenLayers.Geometry.Point(longitude, latitude), {rotation: heading, type: parseInt(Math.random() * 3)} )); Type refers to a lookup of 1 of 3 images.: styleMap.addUniqueValueRules("default", "type", lookup); var lookup = { 0: {externalGraphic: "Image1.png", rotation: heading}, 1: {externalGraphic: "Image2.png", rotation: heading}, 2: {externalGraphic: "Image3.png", rotation: heading} } I have tried the 'redraw()' function: but it returns "tracking is undefined" or "map.layers[2]" is undefined. tracking.redraw(true); map.layers[2].redraw(true); Heading is a variable: from a JSON feed. var heading = 13.542; But so far can't get anything to work it will only rotate the image onload. The image will move in coordinates as it should though. So what am I doing wrong with the redraw function or how can I get this image to rotate live? Thanks in advance -Ozaki Add: I managed to get map.layers[2].redraw(true); to sucessfully redraw layer 2. But it still does not update the rotation. I am thinking because the stylemap is updating. But it runs through the style map every n sec, but no updates to rotation and the variable for heading is updating correctly if i put a watch on it in firebug.

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• Passing Custom Headers to Ajax request on Select2

  - by Sutikshan Dubey

  We are trying to implement Ajax Remote data loading in Select2:- $scope.configPartSelect2 = { minimumInputLength: 3, ajax: { url: "/api/Part", // beforeSend: function (xhr) { xhr.setRequestHeader('Authorization-Token', http.defaults.headers.common['Authorization-Token']); }, // headers: {'Authorization-Token': http.defaults.headers.common['Authorization-Token']}, data: function (term, page) { return {isStockable: true}; }, results: function (data, page) { // parse the results into the format expected by Select2. // since we are using custom formatting functions we do not need to alter remote JSON data return { results: data }; } } }; We are using AngularJS. With each Http request we have set it's default to have our Authtoken as header. But somehow it is not working in conjunction with Select2 Ajax request. In above code, commented code are my failed attempts.

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• (C#) Label.Text = Struct.Value (Microsoft.VisualStudio.Debugger.Runtime.CrossThreadMessagingException)

  - by Kyle

  I have an app that I'm working on that polls usage from an ISP (Download quota). I've tried threading this via 'new Thread(ThreaProc)' but that didn't work, now trying an IAsyncResult based approach which does the same thing... I've got no idea on how to rectify, please help? The need-to-know: // Global public delegate void AsyncPollData(ref POLLDATA pData); // Class scope: private POLLDATA pData; private void UpdateUsage() { AsyncPollData PollDataProc = new AsyncPollData(frmMain.PollUsage); IAsyncResult result = PollDataProc.BeginInvoke(ref pData, new AsyncCallback(UpdateDone), PollDataProc); } public void UpdateDone(IAsyncResult ar) { AsyncPollData PollDataProc = (AsyncPollData)ar.AsyncState; PollDataProc.EndInvoke(ref pData, ar); // The Exception occurs here: lblStatus.Text = pData.LastError; } public static void PollUsage(ref POLLDATA PData) { PData.LastError = "Some string"; return; }

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• Find kth smallest element in a binary search tree in Optimum way

  - by Bragaadeesh

  Hi, I need to find the kth smallest element in the binary search tree without using any static/global variable. How to achieve it efficiently? The solution that I have in my mind is doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep down I feel that I am not using the BST property here. Is my assumptive solution correct or is there a better one available ?

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• determine complex type from a primitive type using reflection

  - by Nilotpal Das

  I am writing a tool where I need to reflect upon methods and if the parameters of the methods are complex type, then I need to certain type of actions such as instantiating them etc. Now I saw the IsPrimitive property in the Type variable. However, it shows string and decimal as complex types, which technically isn't incorrect. However what I really want is to be able to distinguish developer created class types from system defined data types. Is there any way that I can do this?

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• Including an embedded framework using a cross-project-reference: Header no such file or directory

  - by d11wtq

  I'm trying to create a Cocoa framework by using a cross-project reference in Xcode. I have 2 projects: one for the framework; one for the application that will use the framework. This framework is not intended to be stored within the system; it is an embedded framework that lives within the application bundle. I have successfully made the cross-project reference, marked the framework as being a dependency of my target, added a Copy Files build phase that puts the framework in Contents/Frameworks/ and added the framework to the linker phase (I checked the little "Target" checkbox; I've also done it manually by dragging the framework into the linker phase). My framework's install directory is correctly set to @executable_path/../Frameworks. However, when I try to build my app it: a) Correctly builds the framework first b) Correctly copies the framework c) Errors because it cannot find the master header file in my framework I have verified that the header is there. I can see it in the app product that is partially built. ls build/Debug/CioccolataTest.webapp/Contents/Frameworks/Cioccolata.framework/Headers/Cioccolata.h build/Debug/CioccolataTest.webapp/Contents/Frameworks/Cioccolata.framework/Headers/Cioccolata.h I have been able to successfully build the app by copying my framework into /Library/Frameworks (I can then delete it again after the successful build), but this is a workaround, I'm looking to find it out why Xcode doesn't find the framework's master header file without it being copied to a system directory. Is copying it to the app bundle during the build not sufficient? Here's the full build transcript if it's any help (it's just a Hello World app right now, so not much going on here): Build Cioccolata of project Cioccolata with configuration Debug SymLink /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/Current A cd /Users/chris/Projects/Mac/Cioccolata /bin/ln -sf A /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/Current SymLink /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Resources Versions/Current/Resources cd /Users/chris/Projects/Mac/Cioccolata /bin/ln -sf Versions/Current/Resources /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Resources SymLink /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Headers Versions/Current/Headers cd /Users/chris/Projects/Mac/Cioccolata /bin/ln -sf Versions/Current/Headers /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Headers SymLink /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Cioccolata Versions/Current/Cioccolata cd /Users/chris/Projects/Mac/Cioccolata /bin/ln -sf Versions/Current/Cioccolata /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Cioccolata ProcessInfoPlistFile /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Resources/Info.plist Info.plist cd /Users/chris/Projects/Mac/Cioccolata builtin-infoPlistUtility Info.plist -expandbuildsettings -platform macosx -o /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Resources/Info.plist CpHeader build/Debug/Cioccolata.framework/Versions/A/Headers/CWHelloWorld.h CWHelloWorld.h cd /Users/chris/Projects/Mac/Cioccolata /Developer/Library/PrivateFrameworks/DevToolsCore.framework/Resources/pbxcp -exclude .DS_Store -exclude CVS -exclude .svn -resolve-src-symlinks /Users/chris/Projects/Mac/Cioccolata/CWHelloWorld.h /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Headers CpHeader build/Debug/Cioccolata.framework/Versions/A/Headers/Cioccolata.h Cioccolata.h cd /Users/chris/Projects/Mac/Cioccolata /Developer/Library/PrivateFrameworks/DevToolsCore.framework/Resources/pbxcp -exclude .DS_Store -exclude CVS -exclude .svn -resolve-src-symlinks /Users/chris/Projects/Mac/Cioccolata/Cioccolata.h /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Headers CopyStringsFile /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Resources/English.lproj/InfoPlist.strings English.lproj/InfoPlist.strings cd /Users/chris/Projects/Mac/Cioccolata setenv ICONV /usr/bin/iconv /Developer/Library/Xcode/Plug-ins/CoreBuildTasks.xcplugin/Contents/Resources/copystrings --validate --inputencoding utf-8 --outputencoding UTF-16 English.lproj/InfoPlist.strings --outdir /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Resources/English.lproj ProcessPCH /var/folders/Xy/Xy-bvnxtFpiYBQPED0dK1++++TI/-Caches-/com.apple.Xcode.501/SharedPrecompiledHeaders/Cioccolata_Prefix-dololiigmwjzkgenggebqtpvbauu/Cioccolata_Prefix.pch.gch Cioccolata_Prefix.pch normal i386 objective-c com.apple.compilers.gcc.4_2 cd /Users/chris/Projects/Mac/Cioccolata setenv LANG en_US.US-ASCII /Developer/usr/bin/gcc-4.2 -x objective-c-header -arch i386 -fmessage-length=0 -pipe -std=gnu99 -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wreturn-type -Wunused-variable -isysroot /Developer/SDKs/MacOSX10.5.sdk -mfix-and-continue -mmacosx-version-min=10.5 -gdwarf-2 -iquote /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-generated-files.hmap -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-own-target-headers.hmap -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-all-target-headers.hmap -iquote /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-project-headers.hmap -F/Users/chris/Projects/Mac/Cioccolata/build/Debug -I/Users/chris/Projects/Mac/Cioccolata/build/Debug/include -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/DerivedSources/i386 -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/DerivedSources -c /Users/chris/Projects/Mac/Cioccolata/Cioccolata_Prefix.pch -o /var/folders/Xy/Xy-bvnxtFpiYBQPED0dK1++++TI/-Caches-/com.apple.Xcode.501/SharedPrecompiledHeaders/Cioccolata_Prefix-dololiigmwjzkgenggebqtpvbauu/Cioccolata_Prefix.pch.gch CompileC build/Cioccolata.build/Debug/Cioccolata.build/Objects-normal/i386/CWHelloWorld.o /Users/chris/Projects/Mac/Cioccolata/CWHelloWorld.m normal i386 objective-c com.apple.compilers.gcc.4_2 cd /Users/chris/Projects/Mac/Cioccolata setenv LANG en_US.US-ASCII /Developer/usr/bin/gcc-4.2 -x objective-c -arch i386 -fmessage-length=0 -pipe -std=gnu99 -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wreturn-type -Wunused-variable -isysroot /Developer/SDKs/MacOSX10.5.sdk -mfix-and-continue -mmacosx-version-min=10.5 -gdwarf-2 -iquote /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-generated-files.hmap -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-own-target-headers.hmap -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-all-target-headers.hmap -iquote /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Cioccolata-project-headers.hmap -F/Users/chris/Projects/Mac/Cioccolata/build/Debug -I/Users/chris/Projects/Mac/Cioccolata/build/Debug/include -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/DerivedSources/i386 -I/Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/DerivedSources -include /var/folders/Xy/Xy-bvnxtFpiYBQPED0dK1++++TI/-Caches-/com.apple.Xcode.501/SharedPrecompiledHeaders/Cioccolata_Prefix-dololiigmwjzkgenggebqtpvbauu/Cioccolata_Prefix.pch -c /Users/chris/Projects/Mac/Cioccolata/CWHelloWorld.m -o /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Objects-normal/i386/CWHelloWorld.o Ld /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Cioccolata normal i386 cd /Users/chris/Projects/Mac/Cioccolata setenv MACOSX_DEPLOYMENT_TARGET 10.5 /Developer/usr/bin/gcc-4.2 -arch i386 -dynamiclib -isysroot /Developer/SDKs/MacOSX10.5.sdk -L/Users/chris/Projects/Mac/Cioccolata/build/Debug -F/Users/chris/Projects/Mac/Cioccolata/build/Debug -filelist /Users/chris/Projects/Mac/Cioccolata/build/Cioccolata.build/Debug/Cioccolata.build/Objects-normal/i386/Cioccolata.LinkFileList -install_name @executable_path/../Frameworks/Cioccolata.framework/Versions/A/Cioccolata -mmacosx-version-min=10.5 -framework Foundation -single_module -compatibility_version 1 -current_version 1 -o /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework/Versions/A/Cioccolata Touch /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework cd /Users/chris/Projects/Mac/Cioccolata /usr/bin/touch -c /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework Build CioccolataTest of project CioccolataTest with configuration Debug ProcessInfoPlistFile /Users/chris/Projects/Mac/CioccolataTest/build/Debug/CioccolataTest.webapp/Contents/Info.plist Info.plist cd /Users/chris/Projects/Mac/CioccolataTest builtin-infoPlistUtility Info.plist -expandbuildsettings -platform macosx -o /Users/chris/Projects/Mac/CioccolataTest/build/Debug/CioccolataTest.webapp/Contents/Info.plist PBXCp build/Debug/CioccolataTest.webapp/Contents/Frameworks/Cioccolata.framework /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework cd /Users/chris/Projects/Mac/CioccolataTest /Developer/Library/PrivateFrameworks/DevToolsCore.framework/Resources/pbxcp -exclude .DS_Store -exclude CVS -exclude .svn -resolve-src-symlinks /Users/chris/Projects/Mac/Cioccolata/build/Debug/Cioccolata.framework /Users/chris/Projects/Mac/CioccolataTest/build/Debug/CioccolataTest.webapp/Contents/Frameworks CopyStringsFile /Users/chris/Projects/Mac/CioccolataTest/build/Debug/CioccolataTest.webapp/Contents/Resources/English.lproj/InfoPlist.strings English.lproj/InfoPlist.strings cd /Users/chris/Projects/Mac/CioccolataTest setenv ICONV /usr/bin/iconv /Developer/Library/Xcode/Plug-ins/CoreBuildTasks.xcplugin/Contents/Resources/copystrings --validate --inputencoding utf-8 --outputencoding UTF-16 English.lproj/InfoPlist.strings --outdir /Users/chris/Projects/Mac/CioccolataTest/build/Debug/CioccolataTest.webapp/Contents/Resources/English.lproj CompileC build/CioccolataTest.build/Debug/CioccolataTest.build/Objects-normal/i386/main.o main.m normal i386 objective-c com.apple.compilers.gcc.4_2 cd /Users/chris/Projects/Mac/CioccolataTest setenv LANG en_US.US-ASCII /Developer/usr/bin/gcc-4.2 -x objective-c -arch i386 -fmessage-length=0 -pipe -std=gnu99 -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wreturn-type -Wunused-variable -isysroot /Developer/SDKs/MacOSX10.5.sdk -mfix-and-continue -mmacosx-version-min=10.5 -gdwarf-2 -iquote /Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/CioccolataTest-generated-files.hmap -I/Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/CioccolataTest-own-target-headers.hmap -I/Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/CioccolataTest-all-target-headers.hmap -iquote /Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/CioccolataTest-project-headers.hmap -F/Users/chris/Projects/Mac/CioccolataTest/build/Debug -I/Users/chris/Projects/Mac/CioccolataTest/build/Debug/include -I/Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/DerivedSources/i386 -I/Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/DerivedSources -include /Users/chris/Projects/Mac/CioccolataTest/prefix.pch -c /Users/chris/Projects/Mac/CioccolataTest/main.m -o /Users/chris/Projects/Mac/CioccolataTest/build/CioccolataTest.build/Debug/CioccolataTest.build/Objects-normal/i386/main.o In file included from <command-line>:0: /Users/chris/Projects/Mac/CioccolataTest/prefix.pch:13:35: error: Cioccolata/Cioccolata.h: No such file or directory /Users/chris/Projects/Mac/CioccolataTest/main.m: In function 'main': /Users/chris/Projects/Mac/CioccolataTest/main.m:13: error: 'CWHelloWorld' undeclared (first use in this function) /Users/chris/Projects/Mac/CioccolataTest/main.m:13: error: (Each undeclared identifier is reported only once /Users/chris/Projects/Mac/CioccolataTest/main.m:13: error: for each function it appears in.) /Users/chris/Projects/Mac/CioccolataTest/main.m:13: error: 'hello' undeclared (first use in this function)

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• Does VBA have an equivalent of "Text To" from Visual FoxPro

  - by David Stein

  Visual FoxPro supports syntax such as the following: Text To VariableName TEXTMERGE noshow select * from..... EndText This assigns the value of all text between "Text To" and "EndText" to the variable. It eliminates the need for multi line statements separateed by "+ ;" Does VBA have something similar?

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• Uncaught TypeError: Cannot read property 'length' of undefined [jQuery]

  - by macek

  I have a plugin that access the length property on many elements. However, the javascript console points to line 12 of jquery.min.js. How can I backtrace to find which line of my plugin has null variable attempting to access length?

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• Why is it 8 here,understanding buffer overflow

  - by Mask

  void function(int a, int b, int c) { char buffer1[5]; char buffer2[10]; int *ret; ret = buffer1 + 12; (*ret) += 8;//why is it 8?? } void main() { int x; x = 0; function(1,2,3); x = 1; printf("%d\n",x); } The above demo is from here: http://insecure.org/stf/smashstack.html But it's not working here: D:\test>gcc -Wall -Wextra hw.cpp && a.exe hw.cpp: In function `void function(int, int, int)': hw.cpp:6: warning: unused variable 'buffer2' hw.cpp: At global scope: hw.cpp:4: warning: unused parameter 'a' hw.cpp:4: warning: unused parameter 'b' hw.cpp:4: warning: unused parameter 'c' 1 And I don't understand why it's 8 though the author thinks: A little math tells us the distance is 8 bytes.

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• JQuery getJSON Callback Returning Null Data

  - by user338828

  I have a getJSON call that is called back correctly, but the data variable is null. The python code posted below is executed by the getJSON call to the demandURL. Any ideas? javascript: var demandURL = "/demand/washington/"; $.getJSON(demandURL, function(data) { console.log(data); }); python: data = {"demand_count":"one"} json = simplejson.dumps(data) return HttpResponse(json, mimetype="application/json")

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• Entity Framework - Using Transactions or SaveChanges(false) and AcceptAllChanges()?

  - by mark smith

  Hi there, I have been investigating transactions and it appears that they take call of them selves in EF as long as i pass false to savechanges.. SaveChanges(false) and if all goes well then AcceptAllChanges() Question is what is something goes bad, don't have to rollback? or as soon as the my method goes out of scope its ended? What happens to any indentiy columns that were assigned half way through the transaction.. i presume if somebody else added a record after mine before mine went bad then this means there will be a missing Identity value. Is there any reason to use standard "transactionScope" in code? ideas? - thanks

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• wss4j: - Cannot find key for alias: monit

  - by feiroox

  Hi I'm using axis1.4 and wss4j. When I define in client-config.wsdd for WSDoAllSender and WSDoAllReceiver different signaturePropFiles where I have different key stores defined with different certificates, I'm able to have different certificates for sending and receiving. But when I use the same signaturePropFiles' with the same keystore. I get this message when I try to send a message: org.apache.ws.security.components.crypto.CryptoBase -- Cannot find key for alias: [monit] in keystore of type [jks] from provider [SUN version 1.5] with size [2] and aliases: {other, monit} - Error during Signature: ; nested exception is: org.apache.ws.security.WSSecurityException: Signature creation failed; nested exception is: java.lang.Exception: Cannot find key for alias: [monit] org.apache.ws.security.WSSecurityException: Error during Signature: ; nested exception is: org.apache.ws.security.WSSecurityException: Signature creation failed; nested exception is: java.lang.Exception: Cannot find key for alias: [monit] at org.apache.ws.security.action.SignatureAction.execute(SignatureAction.java:60) at org.apache.ws.security.handler.WSHandler.doSenderAction(WSHandler.java:202) at org.apache.ws.axis.security.WSDoAllSender.invoke(WSDoAllSender.java:168) at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at org.apache.axis.client.AxisClient.invoke(AxisClient.java:127) at org.apache.axis.client.Call.invokeEngine(Call.java:2784) at org.apache.axis.client.Call.invoke(Call.java:2767) at org.apache.axis.client.Call.invoke(Call.java:2443) at org.apache.axis.client.Call.invoke(Call.java:2366) at org.apache.axis.client.Call.invoke(Call.java:1812) at cz.ing.oopf.model.wsclient.ModelWebServiceSoapBindingStub.getStatus(ModelWebServiceSoapBindingStub.java:213) at cz.ing.oopf.wsgemonitor.monitor.util.MonitorUtil.checkStatus(MonitorUtil.java:18) at cz.ing.oopf.wsgemonitor.monitor.Test02WsMonitor.runTest(Test02WsMonitor.java:23) at cz.ing.oopf.wsgemonitor.Main.main(Main.java:75) Caused by: org.apache.ws.security.WSSecurityException: Signature creation failed; nested exception is: java.lang.Exception: Cannot find key for alias: [monit] at org.apache.ws.security.message.WSSecSignature.computeSignature(WSSecSignature.java:721) at org.apache.ws.security.message.WSSecSignature.build(WSSecSignature.java:780) at org.apache.ws.security.action.SignatureAction.execute(SignatureAction.java:57) ... 15 more Caused by: java.lang.Exception: Cannot find key for alias: [monit] at org.apache.ws.security.components.crypto.CryptoBase.getPrivateKey(CryptoBase.java:214) at org.apache.ws.security.message.WSSecSignature.computeSignature(WSSecSignature.java:713) ... 17 more How to have two certificates for wss4j in the same keystore? why it cannot find my certificate there when i have two certificates in one keystore. I have the same password for both certificates regarding PWCallback (CallbackHandler) My properties file: org.apache.ws.security.crypto.provider=org.apache.ws.security.components.crypto.Merlin org.apache.ws.security.crypto.merlin.keystore.type=jks org.apache.ws.security.crypto.merlin.keystore.password=keystore org.apache.ws.security.crypto.merlin.keystore.alias=monit org.apache.ws.security.crypto.merlin.alias.password=*** org.apache.ws.security.crypto.merlin.file=key.jks My client-config.wsdd: <deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java"> <globalConfiguration> <requestFlow> <handler name="WSSecurity" type="java:org.apache.ws.axis.security.WSDoAllSender"> <parameter name="user" value="monit"/> <parameter name="passwordCallbackClass" value="cz.ing.oopf.common.ws.PWCallback"/> <parameter name="action" value="Signature"/> <parameter name="signaturePropFile" value="monit.properties"/> <parameter name="signatureKeyIdentifier" value="DirectReference" /> <parameter name="mustUnderstand" value="0"/> </handler> <handler type="java:org.apache.axis.handlers.JWSHandler"> <parameter name="scope" value="session"/> </handler> <handler type="java:org.apache.axis.handlers.JWSHandler"> <parameter name="scope" value="request"/> <parameter name="extension" value=".jwr"/> </handler> </requestFlow> <responseFlow> <handler name="DoSecurityReceiver" type="java:org.apache.ws.axis.security.WSDoAllReceiver"> <parameter name="user" value="other"/> <parameter name="passwordCallbackClass" value="cz.ing.oopf.common.ws.PWCallback"/> <parameter name="action" value="Signature"/> <parameter name="signaturePropFile" value="other.properties"/> <parameter name="signatureKeyIdentifier" value="DirectReference" /> </handler> </responseFlow> </globalConfiguration> <transport name="http" pivot="java:org.apache.axis.transport.http.HTTPSender"> </transport> </deployment> Listing from keytool: keytool -keystore monit-key.jks -v -list Enter keystore password: Keystore type: JKS Keystore provider: SUN Your keystore contains 2 entries Alias name: other Creation date: Jul 22, 2009 Entry type: PrivateKeyEntry Certificate chain length: 1 Certificate[1]: .... Alias name: monit Creation date: Oct 19, 2009 Entry type: trustedCertEntry

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• better to wait Drupal 7 to start learning Drupal, or no big difference with Drupal 6?

  - by artmania

  Hi friends, I'm going to start some projects in next weeks. I currently have my custom cms, but i wanna go for opensource cms solution from now on. and as i researched Drupal is COOL for any kind of project from small scope to most complex ones. I have never used Drupal before, I know nothing about it yet. Would it worth to work on Drupal 6 for now, or better to wait for Drupal 7? is there any big difference about the way it works. i would feel silly to spend days-weeks to learn Drupal 6 now and after few months when Drupal 7 beta is out, a new learning curve and having troubles to upgrade to Drupal 7 my current Drupal 6 projects? Thanks a lot!! appreciate advises!

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• Silverstripe | Internal Server Error

  - by Benedikt R.

  Hi! Silverstripe is running on my since a few weeks. Recently, I get an Internal Server Error message when I try to access the admin area. Having a look in the server's error logs, I discovered following hint: [Mon Apr 05 12:15:26 2010] [error] [client ...] Premature end of script headers: main.php I already was refered to this site: What does the 'premature end of script headers' error mean? But does anybody had this problem in connection with Silverstripe? Would make it much easier to restrict the scope from where the error is caused. Regards, Benedikt

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• Specify the search path for DllImport in .NET

  - by Stefan

  Is there a way to specify the paths to be searched for a given assembly that is imported with DllImport? [DllImport("MyDll.dll")] static extern void Func(); This will search for the dll in the app dir and in the PATH environment variable. But at times the dll will be placed elsewhere. Can this information be specified in app.config or manifest file to avoid dynamic loading and dynamic invocation?

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• Silverlight - Bing Maps - Customize Pushpin Style

  - by user70192

  Hello, How do I customize the style of a pushpin on the Bing Maps Silverlight control? I have reviewed the documentation shown here (http://www.microsoft.com/maps/isdk/silverlightbeta/#MapControlInteractiveSdk.Tutorials.TutorialCustomPushpin). However, I am programmatically adding a variable number of Pushpins. Ideally, I would like to be able to set the style of each pushin, but I do not know how. Can someone show me how? Thank you!

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• Jquery history, inspect the history stack

  - by nickmorss

  Im using this history jquery plugin http://www.mikage.to/jquery/jquery_history.html and im trying to inspect the back stack. I can call this $.historyCurrentHash to return the current hash, but im trying to figure out how to look one step back in the stack. if i try calling this $.historyBackStack, but i just get an 'undefined'. anyone got any ideas? I can see that its not a public variable, but im wondering if i need to modify the library or just call it in a different way

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• Win32 Event vs Semaphore

  - by JP

  Basically I need a replacement for Condition Variable and SleepConditionVariableCS because it only support Vista and UP. (For C++) Some suggested to use Semaphore, I also found CreateEvent. Basically, I need to have on thread waiting on WaitForSingleObject, until something one or more others thread tell me there is something to do. In which context should I use a Semaphore vs an Win Event? Thanks

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• Binding Contents of a ListBox to Selected Item from Another Listbox w/JSF & Managed Beans

  - by nieltown

  Hi there! I currently have a JSF application that uses two listboxes. The first, say ListBox1, contains a list of manufacturers; each option comes from the database (via a method getManufacturers in a class called QueryUtil), is populated dynamically, and its value is an integer ID. This part works so far. My goal is to populate a second listbox, say ListBox2, with a list of products sold by the manufacturer. This list of products will come from the database as well (products are linked to a manufacturer via a foreign key relationship, via a method getProducts in my QueryUtil class). How do I go about doing this? Please bear in mind that I've been working with JSF for under 24 hours; I'm willing to accept the fact that I'm missing something very rudimentary. Again, I've been able to populate the list of manufacturers just fine; unfortunately, adding the Products component gives me java.lang.IllegalArgumentException: argument type mismatch faces-config.xml <managed-bean> <managed-bean-name>ProductsBean</managed-bean-name> <managed-bean-class>com.nieltown.ProductsBean</managed-bean-class> <managed-bean-scope>request</managed-bean-scope> <managed-property> <property-name>manufacturers</property-name> <property-class>java.util.ArrayList</property-class> <value>#{manufacturers}</value> </managed-property> <managed-property> <property-name>selectedManufacturer</property-name> <property-class>java.lang.Integer</property-name> <value>#{selectedManufacturer}</value> </managed-property> <managed-property> <property-name>products</property-name> <property-class>java.util.ArrayList</property-class> <value>#{products}</value> </managed-property> <managed-property> <property-name>selectedProduct</property-name> <property-class>java.lang.Integer</property-name> <value>#{selectedProducts}</value> <managed-property> </managed-bean> com.nieltown.ProductsBean public class ProductsBean { private List<SelectItem> manufacturers; private List<SelectItem> products; private Integer selectedManufacturer; private Integer selectedProduct; public ProductsBean() {} public Integer getSelectedManufacturer(){ return selectedManufacturer; } public void setSelectedManufacturer(Integer m){ selectedManufacturer = m; } public Integer getSelectedProduct(){ return selectedProduct; } public void setSelectedProduct(Integer p){ selectedProduct = p; } public List<SelectItem> getManufacturers(){ if(manufacturers == null){ SelectItem option; plans = new ArrayList<SelectItem>(); QueryUtil qu = new QueryUtil(); Map<Integer, String> manufacturersMap = qu.getManufacturers(); for(Map.Entry<Integer, String> entry : manufacturersMap.entrySet()){ option = new SelectItem(entry.getKey(),entry.getValue()); manufacturers.add(option); } } return manufacturers; } public void setManufacturers(List<SelectItem> l){ manufacturers = l; } public List<SelectItem> getProducts(){ if(products == null){ SelectItem option; products = new ArrayList<SelectItem>(); if(selectedPlan != null){ PMTQueryUtil pqu = new PMTQueryUtil(); Map<Integer, String> productsMap = pqu.getProducts(); for(Map.Entry<Integer, String> entry : productsMap.entrySet()){ option = new SelectItem(entry.getKey(),entry.getValue()); products.add(option); } } } return products; } public void setProducts(List<SelectItem> l){ products = l; } } JSP fragment <h:selectOneListbox id="manufacturerList" value="#{ProductsBean.selectedManufacturer}" size="10"> <f:selectItems value="#{ProductsBean.manufacturers}" /> </h:selectOneListbox> <h:selectOneListbox id="productList" value="#{PendingPlansBean.selectedProduct}" size="10"> <f:selectItems binding="#{ProductsBean.products}" /> </h:selectOneListbox>

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• Xcode Disable Colon-aligning Auto-indent

  - by Andy Shea

  Is there any way to disable the auto-indent Xcode performs to align colons when breaking up a long method name into multiple lines? That is, I'd rather not have this: UIBarButtonItem *longDescriptiveButton = [[UIBarButtonItem alloc] initWithTitle:@"Title of Button" style:UIBarButtonItemStyleBordered target:self action:@selector(longDescriptiveButtonClicked)]; which, as you can see, looks terrible when variable/method/class names are long.

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• activemq-maven-plugin ignore files in classpath?

  - by Oscar Chan

  I have been trying to get activemq-maven-plugin to run activemq with configuration in classpath of the bundle. However, I don't have much luck. It seems that the activemq-maven-plugin just ignore resources (resources/main/conf/activemq.properties) the local bundle. I checked the jar and target/classes and they are built into the right local. I am able to get plugin to run (mvn activemq:run) if I take out the PropertyPlaceholderConfigurer bean in the activemq.xml Did I do anything wrong? Here is the output [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to start ActiveMQ Broker Embedded error: Could not load properties; nested exception is java.io.FileNotFoundException: class path resource [conf/activemq.properties] cannot be opened because it does not exist [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2 seconds [INFO] Finished at: Mon May 03 15:56:05 PDT 2010 [INFO] Final Memory: 11M/79M [INFO] ------------------------------------------------------------------------ Here is the pom.xml, which I specific the plugin to look up activemq.xml via file, that works. However, in the activemq.xml <?xml version="1.0"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>oc.test</groupId> <artifactId>mq</artifactId> <version>0.1</version> <name>mq</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.activemq.tooling</groupId> <artifactId>maven-activemq-plugin</artifactId> <version>5.3.1</version> <configuration> <configUri>xbean:file:src/main/resources/conf/activemq.xml</configUri> <fork>false</fork> <systemProperties> <property> <name>javax.net.ssl.keyStorePassword</name> <value>password</value> </property> <property> <name>org.apache.activemq.default.directory.prefix</name> <value>./target/</value> </property> </systemProperties> </configuration> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring</artifactId> <version>2.5.5</version> </dependency> </dependencies> </plugin> </plugins> </build> </project> Here is the src/main/resources/conf/activemq.xml <?xml version="1.0"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:amq="http://activemq.apache.org/schema/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core.xsd "> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <value>classpath:conf/activemq.properties</value> </property> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/> </bean> <broker xmlns="http://activemq.apache.org/schema/core" brokerName="localhost" dataDirectory="./data"> <!-- The transport connectors ActiveMQ will listen to --> <transportConnectors> <transportConnector name="openwire" uri="tcp://localhost:61616"/> </transportConnectors> </broker> </beans> Here is the src/main/resources/conf/activemq.properties activemq.port=61616

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• "Executing SQL directly; no cursor" error when using SCOPE_IDENTITY/IDENT_CURRENT

  - by Chris

  There wasn't much on google about this error, so I'm askin here. I'm switching a PHP web application from using MySQL to SQL Server 2008 (using ODBC, not php_mssql). Running queries or anything else isn't a problem, but when I try to do scope_identity (or any similar functions), I get the error "Executing SQL directly; no cursor". I'm doing this immediately after an insert, so it should still be in scope. Running the same insert statement then query for the insert ID works fine in SQL Server Management Studio. Here's my code right now (everything else in the database wrapper class works fine for other queries, so I'll assume it isn't relevant right now): function insert_id(){ return $this->query_first("SELECT SCOPE_IDENTITY() as insert_id"); } query_first being a function that returns the first result from the first field of a query (basically the equivalent of execute_scalar() on .net). The full error message: Warning: odbc_exec() [function.odbc-exec]: SQL error: [Microsoft][SQL Server Native Client 10.0][SQL Server]Executing SQL directly; no cursor., SQL state 01000 in SQLExecDirect in C:[...]\Database_MSSQL.php on line 110

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