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[Simon K <1062077@xxxxxxxxxxxxxxxxxx>]

So I found out, why those "hangs" occur (or better: how to "heal" them):
till now I've had a script in my "autostart"-section which essentially just disabled the dgpu (the power-gpu).
It seems like X.org or something isn't happy with getting "robbed" a card while it is running.

So my solution/fix is:
Deaktivating the card before X.org is even started, by setting up an Upstart-Job:
$ sudo nano /etc/init/disable-gpu.conf # content at: http://paste.ubuntu.com/6131570/

Now everything (including Audio, which had a "separate" bug) works fine,
no hangs at shutdown, no problems at suspend/resume, no problems at VT-
switching.

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https://bugs.launchpad.net/bugs/1062077

Title:
  [HP TouchSmart tm2-2010eg] Linux hangs with: "[drm:atom_op_jump]
  *ERROR* atombios stuck in loop for more than 5secs aborting"

Status in The Linux Kernel:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete
Status in “xserver-xorg-video-ati” package in Ubuntu:
  Confirmed

Bug description:
  Symptom: Linux isn't displaying changes after switching to tty1 and
  back to unity

  Steps to reproduce:
  1. Starting up to Unity
  2. Switch to tty1 (Strg + Alt + F1)
  3. Switching back to Unity

  or:
  Resuming the system from suspend leads to the same isssue.This method isn't as reliable as the method stated above

  What happens:
  The screen freezes. Magic Keys [Alt + Print + S/U/B] are working thou (so linux-kernel is responding?!) I can't switch to tty1 either. The system becomes responding again after ~2min. Switching VTs is possible afterwards but leads to the same bug again.

  What is expected:
  Showing up a responding Unity.

  Interesting Sitenote:
  My radeon is switched off using: echo"OFF">/sys/kernel/debug/vgaswitcheroo/switch
  By turning "ON" the graphiccard the above stated problem doesn't appear.

  A short extract of kern.log (full one is attached):
  Oct  5 09:06:06 Octavian-Notebook kernel: [  186.691685] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:06 Octavian-Notebook kernel: [  186.691700] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:11 Octavian-Notebook kernel: [  191.692930] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:11 Octavian-Notebook kernel: [  191.692949] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:11 Octavian-Notebook kernel: [  191.692960] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C040 (len 861, WS 0, PS 0) @ 0xC09D
  Oct  5 09:06:16 Octavian-Notebook kernel: [  197.021996] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:16 Octavian-Notebook kernel: [  197.022011] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing CE0C (len 72, WS 0, PS 0) @ 0xCE3B
  Oct  5 09:06:22 Octavian-Notebook kernel: [  202.223115] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:22 Octavian-Notebook kernel: [  202.223134] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:27 Octavian-Notebook kernel: [  207.424244] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:27 Octavian-Notebook kernel: [  207.424259] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:32 Octavian-Notebook kernel: [  212.625368] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:32 Octavian-Notebook kernel: [  212.625387] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:37 Octavian-Notebook kernel: [  217.826526] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:37 Octavian-Notebook kernel: [  217.826545] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:42 Octavian-Notebook kernel: [  223.027631] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:42 Octavian-Notebook kernel: [  223.027650] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:48 Octavian-Notebook kernel: [  228.228756] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:48 Octavian-Notebook kernel: [  228.228772] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:51 Octavian-Notebook kernel: [  231.957328] SysRq : This sysrq operation is disabled.
  Oct  5 09:06:52 Octavian-Notebook kernel: [  232.739445] SysRq : This sysrq operation is disabled.
  Oct  5 09:06:52 Octavian-Notebook kernel: [  233.139471] SysRq : This sysrq operation is disabled.
  Oct  5 09:06:53 Octavian-Notebook kernel: [  233.429887] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting
  Oct  5 09:06:53 Octavian-Notebook kernel: [  233.429900] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing C98E (len 62, WS 0, PS 0) @ 0xC9AA
  Oct  5 09:06:53 Octavian-Notebook kernel: [  233.467057] SysRq : Emergency Sync
  Oct  5 09:06:53 Octavian-Notebook kernel: [  233.467812] Emergency Sync complete
  Oct  5 09:06:55 Octavian-Notebook kernel: [  235.731899] SysRq : Emergency Remount R/O

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-17-generic 3.5.0-17.26
  ProcVersionSignature: Ubuntu 3.5.0-17.26-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  octavian   2405 F.... pulseaudio
  Date: Fri Oct  5 09:07:44 2012
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
  MachineType: Hewlett-Packard HP TouchSmart tm2 Notebook PC
  ProcFB:
   0 inteldrmfb
   1 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=2e9be59f-1f91-4313-bfac-3babbffc5c00 ro quiet splash pcie_aspm=force i915.i915_enable_rc6=1 vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.94
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-09-14 (20 days ago)
  dmi.bios.date: 07/30/2010
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.12
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1486
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 83.1A
  dmi.chassis.asset.tag: CNU0250216
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.12:bd07/30/2010:svnHewlett-Packard:pnHPTouchSmarttm2NotebookPC:pvr0489200000252A20001220000:rvnHewlett-Packard:rn1486:rvr83.1A:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP TouchSmart tm2 Notebook PC
  dmi.product.version: 0489200000252A20001220000
  dmi.sys.vendor: Hewlett-Packard
  --- 
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  DistUpgraded: 2013-02-07 06:43:51,807 DEBUG enabling apt cron job
  DistroCodename: raring
  DistroRelease: Ubuntu 13.04
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.1.22, 3.5.0-23-generic, x86_64: installed
   virtualbox, 4.1.22, 3.8.0-4-generic, x86_64: installed
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:1486]
   Advanced Micro Devices [AMD] nee ATI Manhattan [Mobility Radeon HD 5400 Series] [1002:68e0] (rev ff) (prog-if ff)
  InstallationDate: Installed on 2012-12-04 (64 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MachineType: Hewlett-Packard HP TouchSmart tm2 Notebook PC
  MarkForUpload: True
  Package: xorg 1:7.7+1ubuntu4
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-4-generic root=UUID=b78f0013-4cb2-4ad2-9c13-9d884b091f3a ro
  ProcVersionSignature: Ubuntu 3.8.0-4.9-generic 3.8.0-rc6
  Tags:  raring running-unity ubuntu regression reproducible compiz-0.9
  Uname: Linux 3.8.0-4-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-02-07 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 07/30/2010
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.12
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1486
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 83.1A
  dmi.chassis.asset.tag: CNU0250216
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.12:bd07/30/2010:svnHewlett-Packard:pnHPTouchSmarttm2NotebookPC:pvr0489200000252A20001220000:rvnHewlett-Packard:rn1486:rvr83.1A:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP TouchSmart tm2 Notebook PC
  dmi.product.version: 0489200000252A20001220000
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.9~daily13.02.04-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.42-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.2-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.2-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.0-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.6-0ubuntu2
  xserver.bootTime: Thu Feb  7 22:37:06 2013
  xserver.configfile: default
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.2-0ubuntu1
  xserver.video_driver: intel

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