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[Daryl Lublink <1507150@xxxxxxxxxxxxxxxxxx>]

As requested by Christopher M. Penalver (penalvch), I have refiled the
bug using the  'ubuntu-bug linux' command.

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Title:
  [all variants] - Radeon HD3650 - radeon.dpm=1 - ring 0 stalled for
  more than 10

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When the screen saver is left running for a few minutes, the computer
  locks up.

  1 out of 2 times, I have to do a hard reset ( hold power button for 30
  seconds or disconnect power/battery. )

  1 out of 4 times, I can reset the computer using the magic sysrq (
  Raising elephants... )

  1 out of 4 times, I can switch to a console ( CTRL+ALT+F1 ). The GUI
  can not be recovered, it remains frozen. The last time I managed to
  switch to a console, I managed to capture dmesg and xorg.

  Messages like this are seen in dmesg after it has locked up:

  [ 2077.860355] radeon 0000:01:00.0: ring 0 stalled for more than 12488msec
  [ 2077.860371] radeon 0000:01:00.0: GPU lockup (current fence id 0x00000000000184c0 last fence id 0x000000000001864c on ring 0)
  [ 2077.860997] [drm:r600_ib_test [radeon]] *ERROR* radeon: fence wait failed (-35).
  [ 2077.861067] [drm:radeon_ib_ring_tests [radeon]] *ERROR* radeon: failed testing IB on GFX ring (-35).




  Notes : 
  This problem is easily reproducible on a HP 8530p with a n [AMD/ATI] RV635/M86 [Mobility Radeon HD 3650].

  This bug affects all versions of Ubuntu/Kubuntu/Ubuntu-mate/Xubuntu
  since Ubuntu 11.04.

  On Ubuntu 10.04, the issue does not occur because I can use the non-
  open source fglrx-legacy driver.

  When using the open source 'radeon' kernel module to run the Mobility
  HD 3650 device, the driver locks up frequently. The behaviour varies
  slightly from version to version, but the following description will
  be the behaviour in Ubuntu-Mate 15.04.

  The issue only occurs when 'radeon.dpm=1' is passed as a kernel
  parameter. This option is needed otherwise the card runs really hot
  and drains my laptop battery and burns my legs if the laptop is on my
  legs.

  It's not a hardware issue, it's a driver issue. Why? Because I tested
  using Ubuntu 10.04 + Legacy FGLRX, and the graphics card works fine
  without issue. I patched together Linux 3.4 + Xorg 6.9 ( xserver 1.12
  ) + Arch Linux + Legacy FGLRX, and everything else modern, and the
  graphics card itself had no issues ( the installation was unstable
  because recent version of mate doesn't work well with old version of
  Xorg )

  I strongly believe that it is a Kernel issue because the error
  messages all appear in dmesg. I can't find any errors in Xorg.lorg.

  A second, minor, issue that I have is that when I start the computer,
  the mouse can't click most places on the screen. When I click, nothing
  happens or the wrong thing is clicked. If I switch to a console and
  back to X, the issue resolves itself. This issue *might* be related to
  the main issue, but I do not have the technical skills to determine
  whether or not it is the same issue.

  My laptop runs with full disk encryption ( dm-crypt ).

  
  Notes about reproducing :
  I can reliably reproduce this. It can take up to 35 minutes to reproduce it sometimes, but I can reproduce it without fail.

  If you provide me with a test kernel to reproduce, please insure that
  dm-crypt is supported so that I don't have to reinstall the entire
  O/S.

  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      1342 F.... pulseaudio
   /dev/snd/controlC1:  david      1342 F.... pulseaudio
  Date: Sat Oct 17 09:31:56 2015
  HibernationDevice: RESUME=UUID=86c5a3d9-cb5c-4bcb-9d9d-a61d6e9a356f
  InstallationDate: Installed on 2015-10-13 (4 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=xterm
   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: 03/10/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68PDV Ver. F.09
  dmi.board.name: 30E7
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 90.21
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68PDVVer.F.09:bd03/10/2009:svnHewlett-Packard:pnHPEliteBook8530p:pvrF.09:rvnHewlett-Packard:rn30E7:rvrKBCVersion90.21:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP EliteBook 8530p
  dmi.product.version: F.09
  dmi.sys.vendor: Hewlett-Packard

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