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  • Wireless card power management

    - by penner
    I have noticed that when my computer in plugged in, the wireless strength increases. I'm assuming this is to do with power management. Is there a way to disable Wireless Power Management? I have found a few blog posts that show hacks to disable this but what is best practice here? Should there not be an option via the power menu that lets you toggle this? EDIT -- FILES AND LOGS AS REQUESTED /var/log/kern.log Jul 11 11:45:27 CoolBreeze kernel: [ 6.528052] postgres (1308): /proc/1308/oom_adj is deprecated, please use /proc/1308/oom_score_adj instead. Jul 11 11:45:27 CoolBreeze kernel: [ 6.532080] [fglrx] Gart USWC size:1280 M. Jul 11 11:45:27 CoolBreeze kernel: [ 6.532084] [fglrx] Gart cacheable size:508 M. Jul 11 11:45:27 CoolBreeze kernel: [ 6.532091] [fglrx] Reserved FB block: Shared offset:0, size:1000000 Jul 11 11:45:27 CoolBreeze kernel: [ 6.532094] [fglrx] Reserved FB block: Unshared offset:f8fd000, size:403000 Jul 11 11:45:27 CoolBreeze kernel: [ 6.532098] [fglrx] Reserved FB block: Unshared offset:3fff4000, size:c000 Jul 11 11:45:38 CoolBreeze kernel: [ 17.423743] eth1: no IPv6 routers present Jul 11 11:46:37 CoolBreeze kernel: [ 75.836426] warning: `proftpd' uses 32-bit capabilities (legacy support in use) Jul 11 11:46:37 CoolBreeze kernel: [ 75.884215] init: plymouth-stop pre-start process (2922) terminated with status 1 Jul 11 11:54:25 CoolBreeze kernel: [ 543.679614] eth1: no IPv6 routers present dmesg [ 1.411959] ACPI: Power Button [PWRB] [ 1.412046] input: Sleep Button as /devices/LNXSYSTM:00/device:00/PNP0C0E:00/input/input1 [ 1.412054] ACPI: Sleep Button [SLPB] [ 1.412150] input: Lid Switch as /devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input2 [ 1.412765] ACPI: Lid Switch [LID0] [ 1.412866] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input3 [ 1.412874] ACPI: Power Button [PWRF] [ 1.412996] ACPI: Fan [FAN0] (off) [ 1.413068] ACPI: Fan [FAN1] (off) [ 1.419493] thermal LNXTHERM:00: registered as thermal_zone0 [ 1.419498] ACPI: Thermal Zone [TZ00] (27 C) [ 1.421913] thermal LNXTHERM:01: registered as thermal_zone1 [ 1.421918] ACPI: Thermal Zone [TZ01] (61 C) [ 1.421971] ACPI: Deprecated procfs I/F for battery is loaded, please retry with CONFIG_ACPI_PROCFS_POWER cleared [ 1.421986] ACPI: Battery Slot [BAT0] (battery present) [ 1.422062] ERST: Table is not found! [ 1.422067] GHES: HEST is not enabled! [ 1.422158] isapnp: Scanning for PnP cards... [ 1.422242] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 1.434620] ACPI: Battery Slot [BAT0] (battery present) [ 1.736355] Freeing initrd memory: 14352k freed [ 1.777846] isapnp: No Plug & Play device found [ 1.963650] Linux agpgart interface v0.103 [ 1.967148] brd: module loaded [ 1.968866] loop: module loaded [ 1.969134] ahci 0000:00:1f.2: version 3.0 [ 1.969154] ahci 0000:00:1f.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19 [ 1.969226] ahci 0000:00:1f.2: irq 45 for MSI/MSI-X [ 1.969277] ahci: SSS flag set, parallel bus scan disabled [ 1.969320] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 3 Gbps 0x23 impl SATA mode [ 1.969329] ahci 0000:00:1f.2: flags: 64bit ncq sntf stag pm led clo pio slum part ems sxs apst [ 1.969338] ahci 0000:00:1f.2: setting latency timer to 64 [ 1.983340] scsi0 : ahci [ 1.983515] scsi1 : ahci [ 1.983670] scsi2 : ahci [ 1.983829] scsi3 : ahci [ 1.983985] scsi4 : ahci [ 1.984145] scsi5 : ahci [ 1.984270] ata1: SATA max UDMA/133 abar m2048@0xf1005000 port 0xf1005100 irq 45 [ 1.984277] ata2: SATA max UDMA/133 abar m2048@0xf1005000 port 0xf1005180 irq 45 [ 1.984282] ata3: DUMMY [ 1.984285] ata4: DUMMY [ 1.984288] ata5: DUMMY [ 1.984292] ata6: SATA max UDMA/133 abar m2048@0xf1005000 port 0xf1005380 irq 45 [ 1.985150] Fixed MDIO Bus: probed [ 1.985192] tun: Universal TUN/TAP device driver, 1.6 [ 1.985196] tun: (C) 1999-2004 Max Krasnyansky <[email protected]> [ 1.985285] PPP generic driver version 2.4.2 [ 1.985472] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.985507] ehci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 1.985534] ehci_hcd 0000:00:1a.0: setting latency timer to 64 [ 1.985541] ehci_hcd 0000:00:1a.0: EHCI Host Controller [ 1.985626] ehci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 1 [ 1.985666] ehci_hcd 0000:00:1a.0: debug port 2 [ 1.989663] ehci_hcd 0000:00:1a.0: cache line size of 64 is not supported [ 1.989690] ehci_hcd 0000:00:1a.0: irq 16, io mem 0xf1005800 [ 2.002183] ehci_hcd 0000:00:1a.0: USB 2.0 started, EHCI 1.00 [ 2.002447] hub 1-0:1.0: USB hub found [ 2.002455] hub 1-0:1.0: 3 ports detected [ 2.002607] ehci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 2.002633] ehci_hcd 0000:00:1d.0: setting latency timer to 64 [ 2.002639] ehci_hcd 0000:00:1d.0: EHCI Host Controller [ 2.002737] ehci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2 [ 2.002775] ehci_hcd 0000:00:1d.0: debug port 2 [ 2.006780] ehci_hcd 0000:00:1d.0: cache line size of 64 is not supported [ 2.006806] ehci_hcd 0000:00:1d.0: irq 23, io mem 0xf1005c00 [ 2.022161] ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 2.022401] hub 2-0:1.0: USB hub found [ 2.022409] hub 2-0:1.0: 3 ports detected [ 2.022567] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.022599] uhci_hcd: USB Universal Host Controller Interface driver [ 2.022720] usbcore: registered new interface driver libusual [ 2.022813] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12 [ 2.035831] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.035844] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.036096] mousedev: PS/2 mouse device common for all mice [ 2.036710] rtc_cmos 00:07: RTC can wake from S4 [ 2.036881] rtc_cmos 00:07: rtc core: registered rtc_cmos as rtc0 [ 2.037143] rtc0: alarms up to one month, y3k, 242 bytes nvram, hpet irqs [ 2.037503] device-mapper: uevent: version 1.0.3 [ 2.037656] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: [email protected] [ 2.037725] EISA: Probing bus 0 at eisa.0 [ 2.037729] EISA: Cannot allocate resource for mainboard [ 2.037734] Cannot allocate resource for EISA slot 1 [ 2.037738] Cannot allocate resource for EISA slot 2 [ 2.037741] Cannot allocate resource for EISA slot 3 [ 2.037745] Cannot allocate resource for EISA slot 4 [ 2.037749] Cannot allocate resource for EISA slot 5 [ 2.037753] Cannot allocate resource for EISA slot 6 [ 2.037756] Cannot allocate resource for EISA slot 7 [ 2.037760] Cannot allocate resource for EISA slot 8 [ 2.037764] EISA: Detected 0 cards. [ 2.037782] cpufreq-nforce2: No nForce2 chipset. [ 2.038264] cpuidle: using governor ladder [ 2.039015] cpuidle: using governor menu [ 2.039019] EFI Variables Facility v0.08 2004-May-17 [ 2.040061] TCP cubic registered [ 2.041438] NET: Registered protocol family 10 [ 2.043814] NET: Registered protocol family 17 [ 2.043823] Registering the dns_resolver key type [ 2.044290] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4 [ 2.044336] Using IPI No-Shortcut mode [ 2.045620] PM: Hibernation image not present or could not be loaded. [ 2.045644] registered taskstats version 1 [ 2.073070] Magic number: 4:976:796 [ 2.073415] rtc_cmos 00:07: setting system clock to 2012-07-11 18:45:23 UTC (1342032323) [ 2.076654] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 2.076658] EDD information not available. [ 2.302111] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 2.302587] ata1.00: ATA-9: M4-CT128M4SSD2, 000F, max UDMA/100 [ 2.302595] ata1.00: 250069680 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 2.303143] ata1.00: configured for UDMA/100 [ 2.303453] scsi 0:0:0:0: Direct-Access ATA M4-CT128M4SSD2 000F PQ: 0 ANSI: 5 [ 2.303746] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 2.303920] sd 0:0:0:0: [sda] 250069680 512-byte logical blocks: (128 GB/119 GiB) [ 2.304213] sd 0:0:0:0: [sda] Write Protect is off [ 2.304225] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.304471] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.306818] sda: sda1 sda2 < sda5 > [ 2.308780] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.318162] Refined TSC clocksource calibration: 1595.999 MHz. [ 2.318169] usb 1-1: new high-speed USB device number 2 using ehci_hcd [ 2.318178] Switching to clocksource tsc [ 2.450939] hub 1-1:1.0: USB hub found [ 2.451121] hub 1-1:1.0: 6 ports detected [ 2.561786] usb 2-1: new high-speed USB device number 2 using ehci_hcd [ 2.621757] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 2.636143] ata2.00: ATAPI: TSSTcorp DVD+/-RW TS-T633C, D800, max UDMA/100 [ 2.636152] ata2.00: applying bridge limits [ 2.649711] ata2.00: configured for UDMA/100 [ 2.653762] scsi 1:0:0:0: CD-ROM TSSTcorp DVD+-RW TS-T633C D800 PQ: 0 ANSI: 5 [ 2.661486] sr0: scsi3-mmc drive: 24x/24x writer dvd-ram cd/rw xa/form2 cdda tray [ 2.661494] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 2.661890] sr 1:0:0:0: Attached scsi CD-ROM sr0 [ 2.662156] sr 1:0:0:0: Attached scsi generic sg1 type 5 [ 2.694649] hub 2-1:1.0: USB hub found [ 2.694840] hub 2-1:1.0: 8 ports detected [ 2.765823] usb 1-1.4: new high-speed USB device number 3 using ehci_hcd [ 2.981454] ata6: SATA link down (SStatus 0 SControl 300) [ 2.982597] Freeing unused kernel memory: 740k freed [ 2.983523] Write protecting the kernel text: 5816k [ 2.983808] Write protecting the kernel read-only data: 2376k [ 2.983811] NX-protecting the kernel data: 4424k [ 3.014594] udevd[127]: starting version 175 [ 3.068925] sdhci: Secure Digital Host Controller Interface driver [ 3.068932] sdhci: Copyright(c) Pierre Ossman [ 3.069714] sdhci-pci 0000:09:00.0: SDHCI controller found [1180:e822] (rev 1) [ 3.069742] sdhci-pci 0000:09:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 3.069786] sdhci-pci 0000:09:00.0: Will use DMA mode even though HW doesn't fully claim to support it. [ 3.069798] sdhci-pci 0000:09:00.0: setting latency timer to 64 [ 3.069816] mmc0: no vmmc regulator found [ 3.069877] Registered led device: mmc0:: [ 3.070946] mmc0: SDHCI controller on PCI [0000:09:00.0] using DMA [ 3.071078] tg3.c:v3.121 (November 2, 2011) [ 3.071252] tg3 0000:0b:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 3.071269] tg3 0000:0b:00.0: setting latency timer to 64 [ 3.071403] firewire_ohci 0000:09:00.3: PCI INT D -> GSI 19 (level, low) -> IRQ 19 [ 3.071417] firewire_ohci 0000:09:00.3: setting latency timer to 64 [ 3.078509] EXT4-fs (sda1): INFO: recovery required on readonly filesystem [ 3.078517] EXT4-fs (sda1): write access will be enabled during recovery [ 3.110417] tg3 0000:0b:00.0: eth0: Tigon3 [partno(BCM95784M) rev 5784100] (PCI Express) MAC address b8:ac:6f:71:02:a6 [ 3.110425] tg3 0000:0b:00.0: eth0: attached PHY is 5784 (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[0]) [ 3.110431] tg3 0000:0b:00.0: eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1] [ 3.110436] tg3 0000:0b:00.0: eth0: dma_rwctrl[76180000] dma_mask[64-bit] [ 3.125492] firewire_ohci: Added fw-ohci device 0000:09:00.3, OHCI v1.10, 4 IR + 4 IT contexts, quirks 0x11 [ 3.390124] EXT4-fs (sda1): orphan cleanup on readonly fs [ 3.390135] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078710 [ 3.390232] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 2363071 [ 3.390327] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078711 [ 3.390350] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078709 [ 3.390367] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078708 [ 3.390384] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078707 [ 3.390401] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078706 [ 3.390417] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078705 [ 3.390435] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078551 [ 3.390452] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078523 [ 3.390470] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7078520 [ 3.390487] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 7077901 [ 3.390551] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 4063272 [ 3.390562] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 4063266 [ 3.390572] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 4063261 [ 3.390582] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 4063256 [ 3.390592] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 4063255 [ 3.390602] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 2363072 [ 3.390620] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 2360050 [ 3.390698] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 5250064 [ 3.390710] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 2365394 [ 3.390728] EXT4-fs (sda1): ext4_orphan_cleanup: deleting unreferenced inode 2365390 [ 3.390745] EXT4-fs (sda1): 22 orphan inodes deleted [ 3.390748] EXT4-fs (sda1): recovery complete [ 3.397636] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 3.624910] firewire_core: created device fw0: GUID 464fc000110e2661, S400 [ 3.927467] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 3.929965] udevd[400]: starting version 175 [ 3.933581] Adding 6278140k swap on /dev/sda5. Priority:-1 extents:1 across:6278140k SS [ 3.945183] lp: driver loaded but no devices found [ 3.999389] wmi: Mapper loaded [ 4.016696] ite_cir: Auto-detected model: ITE8708 CIR transceiver [ 4.016702] ite_cir: Using model: ITE8708 CIR transceiver [ 4.016706] ite_cir: TX-capable: 1 [ 4.016710] ite_cir: Sample period (ns): 8680 [ 4.016713] ite_cir: TX carrier frequency (Hz): 38000 [ 4.016716] ite_cir: TX duty cycle (%): 33 [ 4.016719] ite_cir: RX low carrier frequency (Hz): 0 [ 4.016722] ite_cir: RX high carrier frequency (Hz): 0 [ 4.025684] fglrx: module license 'Proprietary. (C) 2002 - ATI Technologies, Starnberg, GERMANY' taints kernel. [ 4.025691] Disabling lock debugging due to kernel taint [ 4.027410] IR NEC protocol handler initialized [ 4.030250] lib80211: common routines for IEEE802.11 drivers [ 4.030257] lib80211_crypt: registered algorithm 'NULL' [ 4.036024] IR RC5(x) protocol handler initialized [ 4.036092] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 [ 4.036188] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X [ 4.036307] snd_hda_intel 0000:00:1b.0: setting latency timer to 64 [ 4.036361] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness [ 4.039006] acpi device:03: registered as cooling_device10 [ 4.039164] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/LNXVIDEO:00/input/input5 [ 4.039261] ACPI: Video Device [M86] (multi-head: yes rom: no post: no) [ 4.049753] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro [ 4.050201] wl 0000:05:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 4.050215] wl 0000:05:00.0: setting latency timer to 64 [ 4.052252] Registered IR keymap rc-rc6-mce [ 4.052432] input: ITE8708 CIR transceiver as /devices/virtual/rc/rc0/input6 [ 4.054614] IR RC6 protocol handler initialized [ 4.054787] rc0: ITE8708 CIR transceiver as /devices/virtual/rc/rc0 [ 4.054839] ite_cir: driver has been successfully loaded [ 4.057338] IR JVC protocol handler initialized [ 4.061553] IR Sony protocol handler initialized [ 4.066578] input: MCE IR Keyboard/Mouse (ite-cir) as /devices/virtual/input/input7 [ 4.066724] IR MCE Keyboard/mouse protocol handler initialized [ 4.072580] lirc_dev: IR Remote Control driver registered, major 250 [ 4.073280] rc rc0: lirc_dev: driver ir-lirc-codec (ite-cir) registered at minor = 0 [ 4.073286] IR LIRC bridge handler initialized [ 4.077849] Linux video capture interface: v2.00 [ 4.079402] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_2M (0c45:640f) [ 4.085492] EDAC MC: Ver: 2.1.0 [ 4.087138] lib80211_crypt: registered algorithm 'TKIP' [ 4.091027] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8 [ 4.091733] snd_hda_intel 0000:02:00.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17 [ 4.091826] snd_hda_intel 0000:02:00.1: irq 47 for MSI/MSI-X [ 4.091861] snd_hda_intel 0000:02:00.1: setting latency timer to 64 [ 4.093115] EDAC i7core: Device not found: dev 00.0 PCI ID 8086:2c50 [ 4.112448] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0 [ 4.112612] input: HD-Audio Generic HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/0000:02:00.1/sound/card1/input9 [ 4.113311] type=1400 audit(1342032325.540:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=658 comm="apparmor_parser" [ 4.114501] type=1400 audit(1342032325.540:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=658 comm="apparmor_parser" [ 4.115253] type=1400 audit(1342032325.540:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=658 comm="apparmor_parser" [ 4.121870] input: Laptop_Integrated_Webcam_2M as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/input/input10 [ 4.122096] usbcore: registered new interface driver uvcvideo [ 4.122100] USB Video Class driver (1.1.1) [ 4.128729] [fglrx] Maximum main memory to use for locked dma buffers: 5840 MBytes. [ 4.129678] [fglrx] vendor: 1002 device: 68c0 count: 1 [ 4.131991] [fglrx] ioport: bar 4, base 0x2000, size: 0x100 [ 4.132015] pci 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 4.132024] pci 0000:02:00.0: setting latency timer to 64 [ 4.133712] [fglrx] Kernel PAT support is enabled [ 4.133747] [fglrx] module loaded - fglrx 8.96.4 [Mar 12 2012] with 1 minors [ 4.162666] eth1: Broadcom BCM4727 802.11 Hybrid Wireless Controller 5.100.82.38 [ 4.184133] device-mapper: multipath: version 1.3.0 loaded [ 4.196660] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2) [ 4.279897] input: Dell WMI hotkeys as /devices/virtual/input/input11 [ 4.292402] Bluetooth: Core ver 2.16 [ 4.292449] NET: Registered protocol family 31 [ 4.292454] Bluetooth: HCI device and connection manager initialized [ 4.292459] Bluetooth: HCI socket layer initialized [ 4.292463] Bluetooth: L2CAP socket layer initialized [ 4.292473] Bluetooth: SCO socket layer initialized [ 4.296333] Bluetooth: RFCOMM TTY layer initialized [ 4.296342] Bluetooth: RFCOMM socket layer initialized [ 4.296345] Bluetooth: RFCOMM ver 1.11 [ 4.313586] ppdev: user-space parallel port driver [ 4.316619] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 4.316625] Bluetooth: BNEP filters: protocol multicast [ 4.383980] type=1400 audit(1342032325.812:5): apparmor="STATUS" operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" pid=938 comm="apparmor_parser" [ 4.385173] type=1400 audit(1342032325.812:6): apparmor="STATUS" operation="profile_load" name="/usr/sbin/cupsd" pid=938 comm="apparmor_parser" [ 4.425757] init: failsafe main process (898) killed by TERM signal [ 4.477052] type=1400 audit(1342032325.904:7): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=1011 comm="apparmor_parser" [ 4.477592] type=1400 audit(1342032325.904:8): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=1010 comm="apparmor_parser" [ 4.478099] type=1400 audit(1342032325.904:9): apparmor="STATUS" operation="profile_load" name="/usr/sbin/tcpdump" pid=1017 comm="apparmor_parser" [ 4.479233] type=1400 audit(1342032325.904:10): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=1014 comm="apparmor_parser" [ 4.510060] vesafb: mode is 1152x864x32, linelength=4608, pages=0 [ 4.510065] vesafb: scrolling: redraw [ 4.510071] vesafb: Truecolor: size=0:8:8:8, shift=0:16:8:0 [ 4.510084] mtrr: no more MTRRs available [ 4.513081] vesafb: framebuffer at 0xd0000000, mapped to 0xf9400000, using 3904k, total 3904k [ 4.515203] Console: switching to colour frame buffer device 144x54 [ 4.515278] fb0: VESA VGA frame buffer device [ 4.590743] tg3 0000:0b:00.0: irq 48 for MSI/MSI-X [ 4.702009] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 4.704409] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 4.978379] psmouse serio1: synaptics: Touchpad model: 1, fw: 7.2, id: 0x1c0b1, caps: 0xd04733/0xa40000/0xa0000 [ 5.030104] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input12 [ 5.045782] kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL does not work properly. Using workaround [ 5.519573] [fglrx] ATIF platform detected with notification ID: 0x81 [ 6.391466] fglrx_pci 0000:02:00.0: irq 49 for MSI/MSI-X [ 6.393137] [fglrx] Firegl kernel thread PID: 1305 [ 6.393306] [fglrx] Firegl kernel thread PID: 1306 [ 6.393472] [fglrx] Firegl kernel thread PID: 1307 [ 6.393726] [fglrx] IRQ 49 Enabled [ 6.528052] postgres (1308): /proc/1308/oom_adj is deprecated, please use /proc/1308/oom_score_adj instead. [ 6.532080] [fglrx] Gart USWC size:1280 M. [ 6.532084] [fglrx] Gart cacheable size:508 M. [ 6.532091] [fglrx] Reserved FB block: Shared offset:0, size:1000000 [ 6.532094] [fglrx] Reserved FB block: Unshared offset:f8fd000, size:403000 [ 6.532098] [fglrx] Reserved FB block: Unshared offset:3fff4000, size:c000 [ 17.423743] eth1: no IPv6 routers present [ 75.836426] warning: `proftpd' uses 32-bit capabilities (legacy support in use) [ 75.884215] init: plymouth-stop pre-start process (2922) terminated with status 1 [ 543.679614] eth1: no IPv6 routers present lsmod Module Size Used by kvm_intel 127560 0 kvm 359456 1 kvm_intel joydev 17393 0 vesafb 13516 1 parport_pc 32114 0 bnep 17830 2 ppdev 12849 0 rfcomm 38139 0 bluetooth 158438 10 bnep,rfcomm dell_wmi 12601 0 sparse_keymap 13658 1 dell_wmi binfmt_misc 17292 1 dell_laptop 17767 0 dcdbas 14098 1 dell_laptop dm_multipath 22710 0 fglrx 2909855 143 snd_hda_codec_hdmi 31775 1 psmouse 72919 0 serio_raw 13027 0 i7core_edac 23382 0 lib80211_crypt_tkip 17275 0 edac_core 46858 1 i7core_edac uvcvideo 67203 0 snd_hda_codec_idt 60251 1 videodev 86588 1 uvcvideo ir_lirc_codec 12739 0 lirc_dev 18700 1 ir_lirc_codec ir_mce_kbd_decoder 12681 0 snd_seq_midi 13132 0 ir_sony_decoder 12462 0 ir_jvc_decoder 12459 0 snd_rawmidi 25424 1 snd_seq_midi ir_rc6_decoder 12459 0 wl 2646601 0 snd_seq_midi_event 14475 1 snd_seq_midi snd_seq 51567 2 snd_seq_midi,snd_seq_midi_event ir_rc5_decoder 12459 0 video 19068 0 snd_hda_intel 32765 5 snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq snd_hda_codec 109562 3 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_intel rc_rc6_mce 12454 0 lib80211 14040 2 lib80211_crypt_tkip,wl snd_hwdep 13276 1 snd_hda_codec ir_nec_decoder 12459 0 snd_pcm 80845 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec ite_cir 24743 0 rc_core 21263 10 ir_lirc_codec,ir_mce_kbd_decoder,ir_sony_decoder,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,rc_rc6_mce,ir_nec_decoder,ite_cir snd_timer 28931 2 snd_seq,snd_pcm wmi 18744 1 dell_wmi snd 62064 20 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_rawmidi,snd_seq,snd_seq_device,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer mac_hid 13077 0 soundcore 14635 1 snd snd_page_alloc 14108 2 snd_hda_intel,snd_pcm coretemp 13269 0 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp tg3 141369 0 firewire_ohci 40172 0 sdhci_pci 18324 0 firewire_core 56906 1 firewire_ohci sdhci 28241 1 sdhci_pci crc_itu_t 12627 1 firewire_core lshw *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 logical name: eth1 version: 01 serial: 70:f1:a1:a9:54:31 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 ip=192.168.0.117 latency=0 multicast=yes wireless=IEEE 802.11 resources: irq:17 memory:f0900000-f0903fff *-network description: Ethernet interface product: NetLink BCM5784M Gigabit Ethernet PCIe vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:0b:00.0 logical name: eth0 version: 10 serial: b8:ac:6f:71:02:a6 capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 firmware=sb v2.19 latency=0 link=no multicast=yes port=twisted pair resources: irq:48 memory:f0d00000-f0d0ffff

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  • Clientside anticheating in multiplayer game 1vs1

    - by garnav
    I'm developing a simple card game, where there will be a matchmaking system that will put you against another human player. This will be the only game mode available, a 1vs1 against another human, no AI. I want to prevent cheating as much as possible. I have already read a lot of similar questions here and I already know that I cannot trust the client and I have to make all verifications server side. I intend to have a server (need one for the matchmaking anyway) and I intend to make some verifications server side but if I want to check everything server side this makes my server to be able to keep track of the state of all current games and check every action, and I don't have the money/infrastructure to support that server. My idea is to make clients check and verify some of the actions made by their opponent* and if they find some illegal action notify the possible cheating to the server and make the server verify it. This will still require my server to keep track of all current games, but it will save resources only checking some things that cannot be checked at client side(like card order in the deck) and only checking other things when they are actually wrong. *(only those they can check with out allowing themselves cheating! for example:they can't check if the played card was in hand cos that will need them to know all cards in hand) Summing up, my questions are: is this a viable approach? will I actually save resources doing this or the extra complexity in the server and client for exchanging this messages is not worth it? do you know any game that has successfully or unsuccessfully tried a similar approach? Thanks all for reading and answering

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  • Simple Multiplayer CCG System

    - by TobiHeidi
    I am working on a cross plattform Multiplayer CCG (web, android, ios). Here are my goals in design: I want to game to be easly accessible and understandable for non CCG players within the first minute of play. a single game should be played by 2 - 4 players a once, without problems if one players drops out during play. players should make their next turn simultaneous (without waiting for other to make their turns) My current approach: each Card has a point value for four Elements. In each Turn an Element is (randomly) selected and every Player chooses 1 card out of 3. The Player choosen the card with the highest value for that element wins the Round. After 10 Rounds the players a ranked by how many rounds they won. Why does this approach seems not optimal? It seems really to easy to determin the next best turn. Your own turn is to little affected by the play style of the others. I would love the have a system where some cards are better against other cards. A bit of rock paper scissors where you have to think about what next turn the other players will make or so. But really think freely. I would love to hear ideas may it be additions or new systems to make a CCG with roughly the stated design goals. Thanks

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  • How do I prevent my filesystems from being mounted read-only after suspending?

    - by Chas. Owens
    I have Ubuntu 12.04 installed on an SDHC card (only one ext2 partition, no swap). When I suspend using pm-suspend, my root filesystem is mounted read-only. I am currently "fixing" this with the following file: /etc/pm/sleep.d/99_make_disk_rw: #!/bin/sh mount -o remount,rw / But the disk is marked as needing an fsck on reboot. How can I prevent the filesystem from being mounted read-only or whatever is going wrong here. Update: It looks like it is getting mounted read-only because an error occurred. I have changed the mount options for / in /etc/fstab to noatime,nodiratime,errors=continue and it no longer mounts the SDHC card as read-only after it resumes. So the problem is happening when it suspends, not when it resumes as I had thought. I checked /sys/bus/usb/devices/1-4/power/persist and it is set to 1. So the SDHC card shouldn't appear disconnected to the OS (or more accurately it should recover from the disconnection without error). Here seems to be the relevant section of the syslog Sep 10 10:34:23 iubit kernel: [ 748.246226] sd 4:0:0:0: [sdb] Media Changed Sep 10 10:34:23 iubit kernel: [ 748.246234] sd 4:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 10 10:34:23 iubit kernel: [ 748.246243] sd 4:0:0:0: [sdb] Sense Key : Unit Attention [current] Sep 10 10:34:23 iubit kernel: [ 748.246253] Info fld=0x0 Sep 10 10:34:23 iubit kernel: [ 748.246258] sd 4:0:0:0: [sdb] Add. Sense: Not ready to ready change, medium may have changed Sep 10 10:34:23 iubit kernel: [ 748.246271] sd 4:0:0:0: [sdb] CDB: Read(10): 28 00 00 5d 3e f0 00 00 08 00 Sep 10 10:34:23 iubit kernel: [ 748.246291] end_request: I/O error, dev sdb, sector 6110960 Sep 10 10:34:23 iubit kernel: [ 748.247027] EXT2-fs (sdb1): error: ext2_fsync: detected IO error when writing metadata buffers Sep 10 10:34:23 iubit anacron[6954]: Anacron 2.3 started on 2012-09-10 Sep 10 10:34:23 iubit anacron[6954]: Normal exit (0 jobs run) Sep 10 10:34:24 iubit laptop-mode: Laptop mode Sep 10 10:34:24 iubit laptop-mode: enabled, not active Sep 10 10:34:24 iubit kernel: [ 749.055376] sd 4:0:0:0: [sdb] No Caching mode page present Sep 10 10:34:24 iubit kernel: [ 749.055387] sd 4:0:0:0: [sdb] Assuming drive cache: write through Sep 10 10:34:25 iubit anacron[7555]: Anacron 2.3 started on 2012-09-10 Sep 10 10:34:25 iubit anacron[7555]: Normal exit (0 jobs run) Sep 10 10:34:31 iubit kernel: [ 756.090861] EXT2-fs (sdb1): previous I/O error to superblock detected

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  • Installing drivers for switchable graphics

    - by Anonymous
    I recently bought a laptop that came with Windows 7 64-bit installed. I have some older (16-bit and 32-bit) software that doesn't work with 64-bit Windows, but works just fine with 32-bit. Since I also wanted to get rid of all of the pre-installed spam, I decided to wipe the hard drive and install a fresh copy of Windows 7 32-bit. I can't get the graphics cards working. This laptop uses switchable graphics, an Intel card and a Radeon card. I first tried installing this driver from Intel, which works for the Intel card. Of course, the Radeon card doesn't work with this driver and I need it for some of the newer games I have. I also tried this driver. Windows's device manager will recognize the Radeon card, but it will still use the Intel card. Also, even though that package says it contains the Intel driver, the Intel card still isn't properly recognized by Windows (leaving me with a nasty 800x600 resolution). On top of that, the Catalyst Control Center won't open (saying "The Catalyst Control Center is not supported by the driver version of your enabled graphics adapter") I tried installing HP's driver then installing Intel's driver on top of it. Device manager will then recognize both graphics cards properly. However, the laptop still uses the Intel card. The CCC still won't start (saying the same thing as before) and I can't find any of 'switching' graphics cards. Before formatting, I could right-click the desktop and click "Configure Switchable Graphics" This option hasn't been in the context menu regardless of what driver(s) I've installed. After some research, I found out that this menu entry runs the command "cli.exe Start PowerXpressHybrid" I've tried manually running this command, but I get the same unsupported message from CCC. So, does anyone know how I can get this working? I would like to be able to switch between the Intel and Radeon. But, if there's some way to disable the Intel and use only the Radeon, that would be fine I dual-boot with Linux (framebuffer uses the Intel, haven't even tried getting X set up yet) Here's the output of lspci # lspci -v | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller: ATI Technologies Inc NI Seymour [AMD Radeon HD 6470M] (prog-if 00 [VGA controller]) The laptop is a HP Pavilion g6t-1d00. HP doesn't support installing anything but Windows 7 64-bit, so calling tech support isn't an option. Thanks for any help UPDATE: I finally got it working. After a fresh install of Windows 7, I installed the HP driver (the one linked above). Then, there's an optional Windows update I installed (don't remember the exact name, but it'll stick out). After that, graphics switching works just like it's supposed to. Moab, thanks anyways for your help

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  • [PHP] - Lowering script memory usage in a "big" file creation

    - by Riccardo
    Hi there people, it looks like I'm facing a typical memory outage problem when using a PHP script. The script, originally developed by another person, serves as an XML sitemap creator, and on large websites uses quite a lot of memory. I thought that the problem was related due to an algorithm holding data in memory until the job was done, but digging into the code I have discovered that the script works in this way: open file in output (will contain XML sitemap entries) in the loop: ---- for each entry to be added in sitemap, do fwrite close file end Although there are no huge arrays or variables being kept in memory, this technique uses a lot of memory. I thought that maybe PHP was buffering under the hood the fwrites and "flushing" data at the end of the script, so I have modified the code to close and open the file every Nth record, but the memory usage is still the same.... I'm debugging the script on my computer and watching memory usage: while script execution runs, memory allocation grows. Is there a particular technique to instruct PHP to free unsed memory, to force flushing buffers if any? Thanks

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  • Session memory – who’s this guy named Max and what’s he doing with my memory?

    - by extended_events
    SQL Server MVP Jonathan Kehayias (blog) emailed me a question last week when he noticed that the total memory used by the buffers for an event session was larger than the value he specified for the MAX_MEMORY option in the CREATE EVENT SESSION DDL. The answer here seems like an excellent subject for me to kick-off my new “401 – Internals” tag that identifies posts where I pull back the curtains a bit and let you peek into what’s going on inside the extended events engine. In a previous post (Option Trading: Getting the most out of the event session options) I explained that we use a set of buffers to store the event data before  we write the event data to asynchronous targets. The MAX_MEMORY along with the MEMORY_PARTITION_MODE defines how big each buffer will be. Theoretically, that means that I can predict the size of each buffer using the following formula: max memory / # of buffers = buffer size If it was that simple I wouldn’t be writing this post. I’ll take “boundary” for 64K Alex For a number of reasons that are beyond the scope of this blog, we create event buffers in 64K chunks. The result of this is that the buffer size indicated by the formula above is rounded up to the next 64K boundary and that is the size used to create the buffers. If you think visually, this means that the graph of your max_memory option compared to the actual buffer size that results will look like a set of stairs rather than a smooth line. You can see this behavior by looking at the output of dm_xe_sessions, specifically the fields related to the buffer sizes, over a range of different memory inputs: Note: This test was run on a 2 core machine using per_cpu partitioning which results in 5 buffers. (Seem my previous post referenced above for the math behind buffer count.) input_memory_kb total_regular_buffers regular_buffer_size total_buffer_size 637 5 130867 654335 638 5 130867 654335 639 5 130867 654335 640 5 196403 982015 641 5 196403 982015 642 5 196403 982015 This is just a segment of the results that shows one of the “jumps” between the buffer boundary at 639 KB and 640 KB. You can verify the size boundary by doing the math on the regular_buffer_size field, which is returned in bytes: 196403 – 130867 = 65536 bytes 65536 / 1024 = 64 KB The relationship between the input for max_memory and when the regular_buffer_size is going to jump from one 64K boundary to the next is going to change based on the number of buffers being created. The number of buffers is dependent on the partition mode you choose. If you choose any partition mode other than NONE, the number of buffers will depend on your hardware configuration. (Again, see the earlier post referenced above.) With the default partition mode of none, you always get three buffers, regardless of machine configuration, so I generated a “range table” for max_memory settings between 1 KB and 4096 KB as an example. start_memory_range_kb end_memory_range_kb total_regular_buffers regular_buffer_size total_buffer_size 1 191 NULL NULL NULL 192 383 3 130867 392601 384 575 3 196403 589209 576 767 3 261939 785817 768 959 3 327475 982425 960 1151 3 393011 1179033 1152 1343 3 458547 1375641 1344 1535 3 524083 1572249 1536 1727 3 589619 1768857 1728 1919 3 655155 1965465 1920 2111 3 720691 2162073 2112 2303 3 786227 2358681 2304 2495 3 851763 2555289 2496 2687 3 917299 2751897 2688 2879 3 982835 2948505 2880 3071 3 1048371 3145113 3072 3263 3 1113907 3341721 3264 3455 3 1179443 3538329 3456 3647 3 1244979 3734937 3648 3839 3 1310515 3931545 3840 4031 3 1376051 4128153 4032 4096 3 1441587 4324761 As you can see, there are 21 “steps” within this range and max_memory values below 192 KB fall below the 64K per buffer limit so they generate an error when you attempt to specify them. Max approximates True as memory approaches 64K The upshot of this is that the max_memory option does not imply a contract for the maximum memory that will be used for the session buffers (Those of you who read Take it to the Max (and beyond) know that max_memory is really only referring to the event session buffer memory.) but is more of an estimate of total buffer size to the nearest higher multiple of 64K times the number of buffers you have. The maximum delta between your initial max_memory setting and the true total buffer size occurs right after you break through a 64K boundary, for example if you set max_memory = 576 KB (see the green line in the table), your actual buffer size will be closer to 767 KB in a non-partitioned event session. You get “stepped up” for every 191 KB block of initial max_memory which isn’t likely to cause a problem for most machines. Things get more interesting when you consider a partitioned event session on a computer that has a large number of logical CPUs or NUMA nodes. Since each buffer gets “stepped up” when you break a boundary, the delta can get much larger because it’s multiplied by the number of buffers. For example, a machine with 64 logical CPUs will have 160 buffers using per_cpu partitioning or if you have 8 NUMA nodes configured on that machine you would have 24 buffers when using per_node. If you’ve just broken through a 64K boundary and get “stepped up” to the next buffer size you’ll end up with total buffer size approximately 10240 KB and 1536 KB respectively (64K * # of buffers) larger than max_memory value you might think you’re getting. Using per_cpu partitioning on large machine has the most impact because of the large number of buffers created. If the amount of memory being used by your system within these ranges is important to you then this is something worth paying attention to and considering when you configure your event sessions. The DMV dm_xe_sessions is the tool to use to identify the exact buffer size for your sessions. In addition to the regular buffers (read: event session buffers) you’ll also see the details for large buffers if you have configured MAX_EVENT_SIZE. The “buffer steps” for any given hardware configuration should be static within each partition mode so if you want to have a handy reference available when you configure your event sessions you can use the following code to generate a range table similar to the one above that is applicable for your specific machine and chosen partition mode. DECLARE @buf_size_output table (input_memory_kb bigint, total_regular_buffers bigint, regular_buffer_size bigint, total_buffer_size bigint) DECLARE @buf_size int, @part_mode varchar(8) SET @buf_size = 1 -- Set to the begining of your max_memory range (KB) SET @part_mode = 'per_cpu' -- Set to the partition mode for the table you want to generate WHILE @buf_size <= 4096 -- Set to the end of your max_memory range (KB) BEGIN     BEGIN TRY         IF EXISTS (SELECT * from sys.server_event_sessions WHERE name = 'buffer_size_test')             DROP EVENT SESSION buffer_size_test ON SERVER         DECLARE @session nvarchar(max)         SET @session = 'create event session buffer_size_test on server                         add event sql_statement_completed                         add target ring_buffer                         with (max_memory = ' + CAST(@buf_size as nvarchar(4)) + ' KB, memory_partition_mode = ' + @part_mode + ')'         EXEC sp_executesql @session         SET @session = 'alter event session buffer_size_test on server                         state = start'         EXEC sp_executesql @session         INSERT @buf_size_output (input_memory_kb, total_regular_buffers, regular_buffer_size, total_buffer_size)             SELECT @buf_size, total_regular_buffers, regular_buffer_size, total_buffer_size FROM sys.dm_xe_sessions WHERE name = 'buffer_size_test'     END TRY     BEGIN CATCH         INSERT @buf_size_output (input_memory_kb)             SELECT @buf_size     END CATCH     SET @buf_size = @buf_size + 1 END DROP EVENT SESSION buffer_size_test ON SERVER SELECT MIN(input_memory_kb) start_memory_range_kb, MAX(input_memory_kb) end_memory_range_kb, total_regular_buffers, regular_buffer_size, total_buffer_size from @buf_size_output group by total_regular_buffers, regular_buffer_size, total_buffer_size Thanks to Jonathan for an interesting question and a chance to explore some of the details of Extended Event internals. - Mike

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  • Basic shadow mapping fails on NVIDIA card?

    - by James
    Recently I switched from an AMD Radeon HD 6870 card to an (MSI) NVIDIA GTX 670 for performance reasons. I found however that my implementation of shadow mapping in all my applications failed. In a very simple shadow POC project the problem appears to be that the scene being drawn never results in a draw to the depth map and as a result the entire depth map is just infinity, 1.0 (Reading directly from the depth component after draw (glReadPixels) shows every pixel is infinity (1.0), replacing the depth comparison in the shader with a comparison of the depth from the shadow map with 1.0 shadows the entire scene, and writing random values to the depth map and then not calling glClear(GL_DEPTH_BUFFER_BIT) results in a random noisy pattern on the scene elements - from which we can infer that the uploading of the depth texture and comparison within the shader are functioning perfectly.) Since the problem appears almost certainly to be in the depth render, this is the code for that: const int s_res = 1024; GLuint shadowMap_tex; GLuint shadowMap_prog; GLint sm_attr_coord3d; GLint sm_uniform_mvp; GLuint fbo_handle; GLuint renderBuffer; bool isMappingShad = false; //The scene consists of a plane with box above it GLfloat scene[] = { -10.0, 0.0, -10.0, 0.5, 0.0, 10.0, 0.0, -10.0, 1.0, 0.0, 10.0, 0.0, 10.0, 1.0, 0.5, -10.0, 0.0, -10.0, 0.5, 0.0, -10.0, 0.0, 10.0, 0.5, 0.5, 10.0, 0.0, 10.0, 1.0, 0.5, ... }; //Initialize the stuff used by the shadow map generator int initShadowMap() { //Initialize the shadowMap shader program if (create_program("shadow.v.glsl", "shadow.f.glsl", shadowMap_prog) != 1) return -1; const char* attribute_name = "coord3d"; sm_attr_coord3d = glGetAttribLocation(shadowMap_prog, attribute_name); if (sm_attr_coord3d == -1) { fprintf(stderr, "Could not bind attribute %s\n", attribute_name); return 0; } const char* uniform_name = "mvp"; sm_uniform_mvp = glGetUniformLocation(shadowMap_prog, uniform_name); if (sm_uniform_mvp == -1) { fprintf(stderr, "Could not bind uniform %s\n", uniform_name); return 0; } //Create a framebuffer glGenFramebuffers(1, &fbo_handle); glBindFramebuffer(GL_FRAMEBUFFER, fbo_handle); //Create render buffer glGenRenderbuffers(1, &renderBuffer); glBindRenderbuffer(GL_RENDERBUFFER, renderBuffer); //Setup the shadow texture glGenTextures(1, &shadowMap_tex); glBindTexture(GL_TEXTURE_2D, shadowMap_tex); glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, s_res, s_res, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); return 0; } //Delete stuff void dnitShadowMap() { //Delete everything glDeleteFramebuffers(1, &fbo_handle); glDeleteRenderbuffers(1, &renderBuffer); glDeleteTextures(1, &shadowMap_tex); glDeleteProgram(shadowMap_prog); } int loadSMap() { //Bind MVP stuff glm::mat4 view = glm::lookAt(glm::vec3(10.0, 10.0, 5.0), glm::vec3(0.0, 0.0, 0.0), glm::vec3(0.0, 1.0, 0.0)); glm::mat4 projection = glm::ortho<float>(-10,10,-8,8,-10,40); glm::mat4 mvp = projection * view; glm::mat4 biasMatrix( 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.5, 0.0, 0.5, 0.5, 0.5, 1.0 ); glm::mat4 lsMVP = biasMatrix * mvp; //Upload light source matrix to the main shader programs glUniformMatrix4fv(uniform_ls_mvp, 1, GL_FALSE, glm::value_ptr(lsMVP)); glUseProgram(shadowMap_prog); glUniformMatrix4fv(sm_uniform_mvp, 1, GL_FALSE, glm::value_ptr(mvp)); //Draw to the framebuffer (with depth buffer only draw) glBindFramebuffer(GL_FRAMEBUFFER, fbo_handle); glBindRenderbuffer(GL_RENDERBUFFER, renderBuffer); glBindTexture(GL_TEXTURE_2D, shadowMap_tex); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, shadowMap_tex, 0); glDrawBuffer(GL_NONE); glReadBuffer(GL_NONE); GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (GL_FRAMEBUFFER_COMPLETE != result) { printf("ERROR: Framebuffer is not complete.\n"); return -1; } //Draw shadow scene printf("Creating shadow buffers..\n"); int ticks = SDL_GetTicks(); glClear(GL_DEPTH_BUFFER_BIT); //Wipe the depth buffer glViewport(0, 0, s_res, s_res); isMappingShad = true; //DRAW glEnableVertexAttribArray(sm_attr_coord3d); glVertexAttribPointer(sm_attr_coord3d, 3, GL_FLOAT, GL_FALSE, 5*4, scene); glDrawArrays(GL_TRIANGLES, 0, 14*3); glDisableVertexAttribArray(sm_attr_coord3d); isMappingShad = false; glBindFramebuffer(GL_FRAMEBUFFER, 0); printf("Render Sbuf in %dms (GLerr: %d)\n", SDL_GetTicks() - ticks, glGetError()); return 0; } This is the full code for the POC shadow mapping project (C++) (Requires SDL 1.2, SDL-image 1.2, GLEW (1.5) and GLM development headers.) initShadowMap is called, followed by loadSMap, the scene is drawn from the camera POV and then dnitShadowMap is called. I followed this tutorial originally (Along with another more comprehensive tutorial which has disappeared as this guy re-configured his site but used to be here (404).) I've ensured that the scene is visible (as can be seen within the full project) to the light source (which uses an orthogonal projection matrix.) Shader utilities function fine in non-shadow-mapped projects. I should also note that at no point is the GL error state set. What am I doing wrong here and why did this not cause problems on my AMD card? (System: Ubuntu 12.04, Linux 3.2.0-49-generic, 64 bit, with the nvidia-experimental-310 driver package. All other games are functioning fine so it's most likely not a card/driver issue.)

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  • Hekaton – SQL Server’s in-memory database engine

    - by Christian
    Microsoft have just gone public at the PASS Summit in Seattle about a new SQL Server engine that they’re working on which is optimized for high-memory servers – an in-memory OLTP database engine which is built-in to SQL Server rather than a separate entity.  This means that you can move just the performance critical parts of your database to Hekaton. The new engine really pushes the performance boundaries by eliminating as many instructions as possible: Main memory optimized tables which are decoupled from on-disk structures; Everything is lock and latch free; More work is pushed to compile time so your T-SQL code is compiled natively into low-level code. We’re already working with a customer on an early adoption program so expect to hear from us on what we learn about implementing it!   Christian Bolton - MCA, MCM, MVP Technical Director http://coeo.com - SQL Server Consulting & Managed Services

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  • Best in-memory cache of DB objects for Silverlight [closed]

    - by Jon
    Hi, I'd like to set up a cache of database objects (i.e. rows in a table) in memory in silverlight, which I'll do using WCF and linq-to-sql. Once I have the objects in memory, I'm planning on using MSMQ to receive new objects whenever they have been modified. It's a somewhat complex approach but the goal is to reduce trips to the database and allow instant data communication between Silverlight applications that are connected to the MSMQ. My Silverlight applications are meant to be long-running and the amount of data to be cached will not be large. I'm planning on saving the in-memory cache using local storage. Anyway, in order to process the updated objects that come in, I'd like to know if the user has changed the existing object. Could I use some event relating to data-binding to set a flag indicating that the object has changes? Maybe there's a better way to do the cache entirely? Thanks!

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  • Ubuntu One using 500 MB memory also when idle

    - by cdysthe
    I'm a Dropbox convert (I hope!), but after having used Ubuntu One for a couple of weeks I notice a few differences from Dropbox. The most glaring difference is that the sync daemon constantly takes 500MB ram on my system (Ubuntu 12.04 x64). It hogs this amount of memory as soon as I log in, does it's initial sync/check but keeps the memory. All in all it seems to me that Ubuntu One uses more system resources than Dropbox. I am syncing the same folders and files with Ubuntu One as I was with Dropbox. Also, afte I log in Ubuntu One grids at 100% CPU for at least five minutes which can be annoying on a laptop, but is not a showstopper. I'm wondering if this is a problem on my system, or if Ubuntu One is expected to use that amount of memory even when idle?

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  • Flash: Memory usage is low but framerate keeps dropping

    - by Cyborg771
    So I'm working on a puzzle game in flash. For all intents and purposes it's like Tetris. I spawn blocks, they move around the screen, then they get destroyed and disappear. I was having some trouble with the memory usage being too high over time so I read up on memory management and I think I have that figured out now. It's definitely climbing slower than it was before, but the framerate is still taking a huge dive after playing for a while. If it's not a memory leak what else could be causing this? Thanks in advance.

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  • Larry Ellison Unveils Oracle Database In-Memory

    - by jgelhaus
    A Breakthrough Technology, Which Turns the Promise of Real-Time into a Reality Oracle Database In-Memory delivers leading-edge in-memory performance without the need to restrict functionality or accept compromises, complexity and risk. Deploying Oracle Database In-Memory with virtually any existing Oracle Database compatible application is as easy as flipping a switch--no application changes are required. It is fully integrated with Oracle Database's scale-up, scale-out, storage tiering, availability and security technologies making it the most industrial-strength offering in the industry. Learn More Read the Press Release Get Product Details View the Webcast On-Demand Replay Follow the conversation #DB12c #OracleDBIM

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  • Podcast: Dell Perot Systems Relies on Oracle In-Memory Database Cache

    - by john.brust
    Recently we spoke with Bill Binko, Technology Consultant at Dell Perot Systems, about a high volume web-based content delivery system they implemented for a client with Oracle In-Memory Database Cache. Their client needed to respond to ~1 billion hits (web requests) per day, but hadn't been able to support this load. Oracle In-Memory Database Cache allowed for multiple & complicated queries to take place without ever hitting the disk...providing sub-millisecond response time and ability to manage much higher high volumes of data. Old System: Old SQL Server Database, over 300 servers, difficult to maintain. New System: One Oracle Database 11g instance, multiple Oracle RAC nodes, backed up by Oracle Data Guard, and Oracle In-Memory Database Cache to cut query response times by 10x. Listen to the podcast.

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  • Out of memory on MATLAB

    - by Eric Sánchez
    I'm trying to run a script on matlab_2011a, which calculate same means for a climatology of 50 years. When I started to run the script for all the years it worked fine until the iteration 20th, and then appeared the message: Out of memory. Type HELP MEMORY for your options. Then I used clear v1 v2 v3 ... to clear all the variables inside the function, also i used clear train because i saw it in another forum, and these with the modifications or not, I run again the script (since the 21th iteration), and the result is the same message, but curiously sometimes it run a year and then stop. Any ideas about solving this problem?, what I have to clean to run correctly? (in this matlab version there's not the command memory which maybe could help me).

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  • WHMCS Fatal error: Out of memory while View Invoice PDF

    - by prakash
    I can log into WHMCS & can access everything I should be able to access, but if i try to click View PDF Invoice, the following error will occur, Fatal error: Out of memory (allocated 67633152) (tried to allocate 76 bytes) in /home/xxxx/public_html/whmcs/includes/classes/class.tcpdf.php on line 8419 I have already set the allocated Memory limit to 256MB, but the error still occurs. At that time of the error, the process memory is exceeding the allocation I set. I checked log file, and found the following errors: #2 /home/xxxxx/public_html/client/includes/classes/class.tcpdf.php(8453): TCPDF->Image('/home/xxxxx/...', 20, 25, 75, 17.5816023739, 'PNG', '', '', false, 300, '', false, 8) #3 /home/xxxxx/public_html/client/includes/classes/class.tcpdf.php(7881): TCPDF->ImagePngAlpha('/home/xxxxx/...', 20, 25, 337, 79, 75, 17.5816023739, 'PNG', '', '', false, 300, '', NULL) While I was investigating the issue above I also noticed the error condition pictured below:

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  • Cikk az Oracle Database In-Memory elonyeirol

    - by user645740
    Megjelent egy cikk a forradalmi újdonságot jelento Oracle Database In-Memory adatbázis funkcióról a bitport.hu-n: Ugorjunk szintet a döntéshozatal gyorsaságában! címmel. A Database In-Memory legfontosabb elonyei: Az alkalmazások változatlanok, nem kell semmit megváltoztatni rajtuk. Úgyanúgy minden megtalálható a diszken, nincs semmi változás a mentésekben sem, az élet ugyanúgy megy tovább, Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 „csak" sokkal gyorsabb lesz a muködés! Pillanatok alatt bekapcsolható, és beállítható, szinte nem igényel konzultációs tevékenységet.csak azt kell kiválasztani, milyen objektumokra lépjen életbe, milyen tömörítést használjon hozzá, és milyen prioritással töltse be a memóriába az adatokat. Más gyártók részmegoldásaihoz nagy bevezetési költségek kapcsolódnak! Nem kell hozzá új infrastuktúra elem, nem kell hozzá új szerver sem Minden Oracle Database alapú rendszerhez használható: tranzakciós rendszerekhez, vegyes rendszerekhez és adattárház, üzleti analitikai, üzleti intelligencia rendszerekhez is. Oracle Database In-Memory

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  • Performance impact of the new mtmalloc memory allocator

    - by nospam(at)example.com (Joerg Moellenkamp)
    I wrote at a number of occasions (here or here), that it could be really beneficial to use a different memory allocator for highly-threaded workloads, as the standard allocator is well ... the standard, however not very effective as soon as many threads comes into play. I didn't wrote about this as it was in my phase of silence but there was some change in the allocator area, Solaris 10 got a revamped mtmalloc allocator in version Solaris 10 08/11 (as described in "libmtmalloc Improvements"). The new memory allocator was introduced to Solaris development by the PSARC case 2010/212. But what's the effect of this new allocator and how does it works? Rickey C. Weisner wrote a nice article with "How Memory Allocation Affects Performance in Multithreaded Programs" explaining the inner mechanism of various allocators but he also publishes test results comparing Hoard, mtmalloc, umem, new mtmalloc and the libc malloc. Really interesting read and a must for people running applications on servers with a high number of threads.

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  • New eBook: In-Memory Data Grids for Dummies

    - by jeckels
    We've just released a new eBook In-Memory Data Grids for Dummies. This is a fantastic resource if you're looking to explain in-memory data grids to colleagues, convince your boss of their value, or even discover some new use cases for your existing investment. In true "Dummies" style, this eBook will walk you through the basics tenets of in-memory data grids, their common use cases, where IMDGs sit in your architecture, and some key considerations when looking to implement them. While the title may say "Dummies," we know you'll find some useful overview and technical information in the resource. It's published by us on the Coherence team in partnership with Wiley (the "Dummies" company), but it's not only about Coherence or Oracle. In fact, we took pains to make this book fairly neutral to give you the best information, not a product pitch. Happy reading! Download the eBook now 

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  • Git fails to push with error 'out of memory'

    - by jwir3
    I'm using gitosis on a server that has a low amount of memory, specifically around 512 MB. When I try to push a large folder (happens to be a backup from an android phone), I get: me@corellia:~/Configs/$ git push origin master Counting objects: 18, done. Delta compression using up to 8 threads. Compressing objects: 100% (14/14), done. fatal: Out of memory, malloc failed MiB | 685 KiB/s error: pack-objects died of signal 13 error: failed to push some refs to 'git@dagobah:Configs' I've been searching the web, and notably found: http://www.mail-archive.com/[email protected]/msg01747.html as well as http://git.661346.n2.nabble.com/Out-of-memory-error-during-git-push-td5443705.html but these don't seem to help me for two reasons: 1) I am not actually out of memory when I push. When I run 'top' during the push, I get: 24262 git 18 0 16204 6084 1096 S 2 1.2 0:00.12 git-unpack-obje Also, during the push if I run /head/meminfo, I get: MemTotal: 524288 kB MemFree: 289408 kB Buffers: 0 kB Cached: 0 kB SwapCached: 0 kB Active: 0 kB Inactive: 0 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 524288 kB So, it seems that I have enough memory free, but it's actually still failing, and I'm not enough of a git guru to figure out what is happening. I would appreciate it if someone could give me a hand here and tell me what could be causing this problem, and what I can do to solve it. Thanks! EDIT: The output of running the ulimit -a command: scottj@dagobah:~$ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 204800 max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 204800 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited

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  • Common Access Card (CAC) Authentication Using Java

    - by Paul
    I'm bascially looking for someplace to start learning how to interface with a government CAC card using java. Ultimately, my goal is to find out how to use CAC card authentication (by PIN number) to authorize access to a website hosted using a Tomcat/J2EE server. But I'll need somewhere to start. So I figure I'd start by writing a small java program to simply read the CAC card information from the CAC card which is inserted into a card reader on my keyboard (DELL keyboard with CAC reader above the numeric keypad). By searching google, I found the cacard java project (https://cacard.dev.java.net/) which was replaced by the OpenSSO project. But I can't seem to find sample code of how to use it to connect to a card, read from a card, etc. Does anyone know where I can find some sample code so that I can start learning how to interact with a CAC card using java? Thanks EDIT: After researching more, I was thinking, would I be able to just set clientAuth="true" in the connector element in the server.xml file? http://tomcat.apache.org/tomcat-6.0-doc/ssl-howto.html clientAuth: Set this value to true if you want Tomcat to require all SSL clients to present a client Certificate in order to use this socket.

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  • ATI Radeon 5850 video card one analog, one digital and one tv connected to hdmi, unable to run all 3

    - by McLovin
    I have one analog monitor connected through dvi adapter one digital monitor connected through dvi tv connected through hdmi I'm unable to run all 3 at the same time, when I try to extend desktop it asks me to disable one of the monitors so I can only have 2 at one time. I tried finding solution but according to some forums I should be able to achieve it since one is analog I should be able to run 3 outputs with hdmi that way. Does any one have any suggestions? Thank you.

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  • Can a PCI Graphics card, and AGP be used together?

    - by Everyone
    The question pretty much says it all. I use an old 845GBV board ( to-date reliant upon the integrated graphics processor ). All slots on the board are unused. Lately I've been thinking in terms changing it to a dual monitor so that I can use one console for documentation/help/sample code/whatever, the other one to play with code. Assuming this board can handle a PCI GPU, can an AGP4x board coexist with a PCI GPU?

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  • Can a PCI Graphics card, and AGP be used together? [closed]

    - by Everyone
    The question pretty much says it all. I use an old 845GBV board ( to-date reliant upon the integrated graphics processor ). All slots on the board are unused. Lately I've been thinking in terms changing it to a dual monitor so that I can use one console for documentation/help/sample code/whatever, the other one to play with code. Assuming this board can handle a PCI GPU, can an AGP4x board coexist with a PCI GPU?

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