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[Launchpad Bug Tracker <1196435@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1196435

Title:
  Random kernel panics return on linux-image-3.5.0-34-generic or
  3.5.0-32-generic (possibly AMD radeon HD 4200 stack related)

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Hi,

  Running Ubuntu 12.04 LTS (64-bit) on a standard business desktop PC
  (HP Compaq 6005 Pro SFF) I used to experience daily hangs with/without
  kernel panic. The panics seem GPU-related.

  I run two desktop PCs side-by-side of identical hardware.

  Installing the Quantal Hardware Enablement stack fixed the stability
  issue at last (after suffering it for several months).

  In a recent kernel upgrade, sadly a daily kernel panic has returned,
  it occurs 1-2 times daily.

  This may be kernel 3.5.0-34 or 3.5.0-32, I can't identify which one.
  Both were installed in June around the time this started.

  From the stack trace on-screen it doesn't seem to be the same crash
  and doesn't mention DRM this time but is the same in nature, i.e. I am
  doing something in the GUI and I get a kernel panic. (This has also
  happened when I am out of the office.)

  Graphics card:
  01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4200]

  I upgraded my second PC to 12.10 recently then it booted onto a black
  screen (power management), I could not get past this, so I upgraded to
  13.04 from a single-user mode root maintenance console. My second PC
  running 13.04 is now stable on this hardware.

  My 12.04 LTS PC with the latest security/critical updates is again not stable.
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: SB [HDA ATI SB], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  matt       2861 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 0xf0300000 irq 16'
     Mixer name	: 'Realtek ALC662 rev1'
     Components	: 'HDA:10ec0662,103c3047,00100101'
     Controls      : 26
     Simple ctrls  : 13
  DistroRelease: Ubuntu 12.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=10a99fd8-a8d2-41fc-ad28-92e9073c5a2a
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  IwConfig:
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
   
   virbr0    no wireless extensions.
  MachineType: Hewlett-Packard HP Compaq 6005 Pro SFF PC
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-34-generic root=UUID=8161a162-0323-4da1-9363-ed3bcdc39620 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-34.55~precise1-generic 3.5.7.13
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-34-generic N/A
   linux-backports-modules-3.5.0-34-generic  N/A
   linux-firmware                            1.79.4
  RfKill:
   
  Tags:  precise running-unity
  Uname: Linux 3.5.0-34-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
  dmi.bios.date: 08/04/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786G6 v01.11
  dmi.board.asset.tag: CZC1111KX1
  dmi.board.name: 3047h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: CZC1111KX1
  dmi.chassis.type: 4
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786G6v01.11:bd08/04/2010:svnHewlett-Packard:pnHPCompaq6005ProSFFPC:pvr:rvnHewlett-Packard:rn3047h:rvr:cvnHewlett-Packard:ct4:cvr:
  dmi.product.name: HP Compaq 6005 Pro SFF PC
  dmi.sys.vendor: Hewlett-Packard

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