yemu, could you please comment as to why you could not test the mainline kernel?
** Description changed: I created new bug after being asked in another buug report: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/550559 the system randomly freezes for a couple of seconds and then I see errors in the log. ... ata6.00: exception Emask 0x0 SAct 0x1fffff SErr 0x0 action 0x6 frozen ata6.00: failed command: READ FPDMA QUEUED ata6.00: cmd 60/08:00:d0:d4:e6/00:00:00:00:00/40 tag 0 ncq 4096 in res 40/00:01:00:00:00/00:00:00:00:00/e0 Emask 0x4 (timeout) ... and so on + WORKAROUND: To disable NCQ I added "libata.force=5:noncq" to default + kernel options in /etc/default/grub like this: + + GRUB_CMDLINE_LINUX_DEFAULT="quiet splash libata.force=5:noncq" + + and updated grub. + ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic-pae 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic-pae 3.2.14 Uname: Linux 3.2.0-24-generic-pae i686 NonfreeKernelModules: fglrx AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC1: yemu 2127 F.... pulseaudio - /dev/snd/controlC0: yemu 2127 F.... pulseaudio - /dev/snd/pcmC0D0p: yemu 2127 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC1: yemu 2127 F.... pulseaudio + /dev/snd/controlC0: yemu 2127 F.... pulseaudio + /dev/snd/pcmC0D0p: yemu 2127 F...m pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: - Card hw:0 'SB'/'HDA ATI SB at 0xfe7f4000 irq 16' - Mixer name : 'Realtek ALC892' - Components : 'HDA:10ec0892,18490892,00100302' - Controls : 43 - Simple ctrls : 20 + Card hw:0 'SB'/'HDA ATI SB at 0xfe7f4000 irq 16' + Mixer name : 'Realtek ALC892' + Components : 'HDA:10ec0892,18490892,00100302' + Controls : 43 + Simple ctrls : 20 Card1.Amixer.info: - Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe9ec000 irq 47' - Mixer name : 'ATI R6xx HDMI' - Components : 'HDA:1002aa01,00aa0100,00100100' - Controls : 6 - Simple ctrls : 1 + Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfe9ec000 irq 47' + Mixer name : 'ATI R6xx HDMI' + Components : 'HDA:1002aa01,00aa0100,00100100' + Controls : 6 + Simple ctrls : 1 Card1.Amixer.values: - Simple mixer control 'IEC958',0 - Capabilities: pswitch pswitch-joined penum - Playback channels: Mono - Mono: Playback [on] + Simple mixer control 'IEC958',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] Date: Thu May 10 13:19:52 2012 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) IwConfig: - lo no wireless extensions. - - eth0 no wireless extensions. + lo no wireless extensions. + + eth0 no wireless extensions. MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae root=UUID=f4b403c0-aa31-4394-a70f-c4657fdab904 ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.2.0-24-generic-pae N/A - linux-backports-modules-3.2.0-24-generic-pae N/A - linux-firmware 1.79 + linux-restricted-modules-3.2.0-24-generic-pae N/A + linux-backports-modules-3.2.0-24-generic-pae N/A + linux-firmware 1.79 RfKill: - 8: hci0: Bluetooth - Soft blocked: no - Hard blocked: no + 8: hci0: Bluetooth + Soft blocked: no + Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-03-30 (40 days ago) dmi.bios.date: 09/07/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P1.70 dmi.board.name: 770 Extreme3 dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.70:bd09/07/2010:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rn770Extreme3:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. ** Changed in: linux (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997581 Title: random system freezes lasting couple of seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/997581/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
