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[David <login.launchpad.net@xxxxxxxxxxxxxxxx>]

i have added the dmesg log taken manually after the GPU lock up.

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https://bugs.launchpad.net/bugs/1508944

Title:
  ring 0 stalled for more than 10100msec

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  The video card randomly locks up when radeon.dpm=1 is set as a kernel
  parameter on Radeon Mobile HD3650.

  On Ubuntu 15.04, I can only reproduce it if I let the screen saver
  come on while a browser is open ( either google chrome or firefox will
  do ).

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-30-generic 3.19.0-30.34
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  david      1339 F.... pulseaudio
   /dev/snd/controlC1:  david      1339 F.... pulseaudio
  Date: Thu Oct 22 09:46:27 2015
  HibernationDevice: RESUME=UUID=86c5a3d9-cb5c-4bcb-9d9d-a61d6e9a356f
  InstallationDate: Installed on 2015-10-13 (9 days ago)
  InstallationMedia: Ubuntu-MATE 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  MachineType: Hewlett-Packard HP EliteBook 8530p
  PccardctlStatus:
   Socket 0:
     3.3V
    16-bit
    PC Card
     Subdevice 0 (function 0) bound to driver "pata_pcmcia"
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=linux
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-30-generic root=/dev/mapper/ubuntu--mate--vg-root ro radeon.dpm=1
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-30-generic N/A
   linux-backports-modules-3.19.0-30-generic  N/A
   linux-firmware                             1.143.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/08/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PDV Ver. F.20
  dmi.board.name: 30E7
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 90.27
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDVVer.F.20:bd12/08/2011:svnHewlett-Packard:pnHPEliteBook8530p:pvrF.20:rvnHewlett-Packard:rn30E7:rvrKBCVersion90.27:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 8530p
  dmi.product.version: F.20
  dmi.sys.vendor: Hewlett-Packard

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