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[jan schnupp <jan345@xxxxxxxxxxx>]

apport information

** Attachment added: "UdevLog.txt"
   https://bugs.launchpad.net/bugs/1383780/+attachment/4241297/+files/UdevLog.txt

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Title:
  Resume from suspend fails

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I'm running ubuntu on a Dell studio laptop with Intel® 965GM x86/MMX/SSE2 graphics. Most things work great, but every time I try to resume from  suspend the machine hangs. The screen simply stays black. I have to hold the power button to hard reset. The reboot then works ok. 
  I seem to remember that the resume used to work under 12.04 but since I upgraded to more recent versions it stopped working. I most recently upgraded to 14.10 hoping the problem would go away with more recent versions, but no luck. I've searched around a lot, found a post that suggested that looking at file /var/log/Xorg.0.log.old might give useful information.
  That file does indeed state a few things that seem relevant to me, such as:

  ...
  [    33.637] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
  [    33.638] (II) Module fbdevhw: vendor="X.Org Foundation"
  [    33.638] 	compiled for 1.16.0, module version = 0.0.2
  [    33.638] 	ABI class: X.Org Video Driver, version 18.0
  [    33.638] (WW) Falling back to old probe method for vesa
  [    35.971] (EE) intel(0): [drm] failed to set drm interface version: Permission denied [13].
  [    35.971] (EE) intel(0): Failed to claim DRM device.
  [    35.971] (II) UnloadModule: "intel"
  [    35.971] (EE) Screen(s) found, but none have a usable configuration.
  [    35.971] (EE) 
  Fatal server error:
  [    35.971] (EE) no screens found(EE) 
  [    35.971] (EE) 
  Please consult the The X.Org Foundation support 
  	 at http://wiki.x.org
   for help. 
  [    35.971] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
  [    35.971] (EE) 
  [    36.014] (EE) Server terminated with error (1). Closing log file.

  
  I guess if "drm failed" and as a result "no screen has a usable configuration" then that would explan why the screen simply stays black on resume, but I have no idea how to debug this further or how to fix it.
  Any help / advice much appreciated.
  --- 
  ApportVersion: 2.14.7-0ubuntu7
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jan        2861 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.10
  HibernationDevice: RESUME=UUID=b591a46b-363a-4206-b494-91a7d59ea223
  InstallationDate: Installed on 2012-09-12 (769 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
  MachineType: Dell Inc. Studio 1735
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-33-generic root=UUID=1149f5e0-16d4-4117-8386-2c6c9fb596fc ro resume=UUID=b591a46b-363a-4206-b494-91a7d59ea223 quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-33.58-generic 3.13.11.4
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-33-generic N/A
   linux-backports-modules-3.13.0-33-generic  N/A
   linux-firmware                             1.136
  Tags:  utopic
  Uname: Linux 3.13.0-33-generic i686
  UpgradeStatus: Upgraded to utopic on 2014-10-18 (3 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 12/04/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0YP944
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd12/04/2008:svnDellInc.:pnStudio1735:pvr:rvnDellInc.:rn0YP944:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Studio 1735
  dmi.sys.vendor: Dell Inc.

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