kernel-packages team mailing list archive

[Craig <1115753@xxxxxxxxxxxxxxxxxx>]

Never installed an upstream kernel before.  Just to confirm, I should
install:

Index of /~kernel-ppa/mainline/v3.12-rc2-saucy:
linux-headers-3.12.0-031200rc2-generic_3.12.0-031200rc2.201309231935_amd64.deb
linux-image-3.12.0-031200rc2-generic_3.12.0-031200rc2.201309231935_amd64.deb
linux-headers-3.12.0-031200rc2_3.12.0-031200rc2.201309231935_all.deb

Which are located at the following url:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc2-saucy/

??

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https://bugs.launchpad.net/bugs/1115753

Title:
  Umount of Multiple LVM Snapshots Causes  'soft lockup CPU#0 stuck for'

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Simultaneous umount of multiple lvm snapshots causes system to hang /
  freeze / deadlock.  Window manager freezes.  If umount is executed in
  a non window-manager tty,  messages containing "BUG", "blocked for
  more than xx seconds", and a list of tasks associated with each of the
  8 cpu cores will scroll up at regular intervals.  The tasks assigned
  to each cpu core are unchanging over time, appearing to be deadlocked.
  No relevant information is left in system logs.  Hard reset / poweroff
  is required.  Problem does not occur 100% of the time.  It is less
  likely to occur if umount is done shortly after mount.  Problem still
  occurs -- but less frequently -- if lazy umount -l is used.  Snapshots
  are read-only, and are mounted read-only.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-37-generic 3.2.0-37.58
  ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
  Uname: Linux 3.2.0-37-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  craig      3257 F.... pulseaudio
   /dev/snd/controlC0:  craig      3257 F.... 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 0xfeb00000 irq 16'
     Mixer name	: 'Realtek ALC889'
     Components	: 'HDA:10ec0889,1043846b,00100004'
     Controls      : 49
     Simple ctrls  : 24
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfea30000 irq 98'
     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]
  Date: Mon Feb  4 18:58:37 2013
  HibernationDevice: RESUME=UUID=b788f786-ba76-4eb0-991f-d3bbc339d3f7
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: To be filled by O.E.M. To be filled by O.E.M.
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-37-generic root=/dev/mapper/volgroup0-root ro
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-37-generic N/A
   linux-backports-modules-3.2.0-37-generic  N/A
   linux-firmware                            1.79.1
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-10-23 (104 days ago)
  dmi.bios.date: 09/27/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0813
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Crosshair V Formula
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  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.:bvr0813:bd09/27/2011:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnASUSTeKComputerINC.:rnCrosshairVFormula:rvrRev1.xx: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.

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