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[Bug 1322644] Re: [Dell XPS 13 (L321X)] External monitor does not wake up after sleep

 

sanette, the next step is to fully commit bisect the kernel in order to
identify the offending commit. Could you please do this following
https://wiki.ubuntu.com/Kernel/KernelBisection ?

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

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Title:
  [Dell XPS 13 (L321X)] External monitor does not wake up after sleep

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The problem started after I upgraded from kubuntu 13.10 to 14.04.
  the monitor is connected to my laptop via a VGA mini display port.
  At boot, it works correctly, but if the screen goes blank after some inactivity, then it stays black forever.

  WORKAROUND: If I unplug the VGA adapter, and plug it back, it works
  again.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: kwin
  CurrentDesktop: KDE
  Date: Fri May 23 16:02:09 2014
  DistUpgraded: 2014-05-09 13:04:30,209 DEBUG enabling apt cron job
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-sputnik-20120802-0
  DistroCodename: trusty
  DistroVariant: kubuntu
  DkmsStatus:
   fwts-efi-runtime-dkms, 14.03.01, 3.11.0-20-generic, x86_64: installed
   fwts-efi-runtime-dkms, 14.03.01, 3.13.0-24-generic, x86_64: installed
   vboxhost, 4.3.6, 3.11.0-20-generic, x86_64: installed
   vboxhost, 4.3.6, 3.13.0-24-generic, x86_64: installed
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:052e]
  InstallationDate: Installed on 2012-11-13 (555 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Failed to find casper uuid.conf in 'binary/casper/initrd.img' LIVE/INSTALL Binary 20120802-21:13
  LightdmGreeterLog:
   QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Aucun fichier ou dossier de ce type
   QFileSystemWatcher: failed to add paths: /var/lib/lightdm/.config/ibus/bus
   Bus::open: Can not get ibus-daemon's address.
   IBusInputContext::createInputContext: no connection to ibus-daemon
  LightdmGreeterLogOld:
   QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Aucun fichier ou dossier de ce type
   QFileSystemWatcher: failed to add paths: /var/lib/lightdm/.config/ibus/bus
   Bus::open: Can not get ibus-daemon's address.
   IBusInputContext::createInputContext: no connection to ibus-daemon
  MachineType: Dell Inc. Dell System XPS L321X
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=f18a56b7-1429-4ce3-b6e3-65edacff16a3 ro quiet splash crashkernel=384M-:128M vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: Upgraded to trusty on 2014-05-09 (14 days ago)
  dmi.bios.date: 07/02/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 085X6F
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd07/02/2012:svnDellInc.:pnDellSystemXPSL321X:pvr:rvnDellInc.:rn085X6F:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L321X
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.11+14.04.20140423-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Fri May 23 06:57:33 2014
  xserver.configfile: None
  xserver.errors: Failed to load module "displaylink" (module does not exist, 0)
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                4920
   vendor                                     CMN
  xserver.version: 2:1.15.1-0ubuntu2

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