matteo sisti sette, this bug was reported a while ago and there hasn't
been any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p xorg REPLACE-WITH-BUG-NUMBER

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Tags added: bios-outdated-2.17

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

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

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1256425

Title:
  whole screen became blank white - no recovery possible - after
  unplugging and replugging external monitor

Status in “xorg” package in Ubuntu:
  Incomplete

Bug description:
  I have a laptop with an external monitor connected. When the monitor
  is connected, I only use the external monitor. Usually, when I unplug
  the monitor, the screen switches automatically, i.e. the builtin
  screen turns on; when I replug the external monitor, the builtin
  screen turns off an the external monitor turns on.

  A few minutes ago I unplugged the external monitor, and the builtin
  screen became all white. I could see the mouse cursor on a white
  background and nothing else. The mouse cursor moved smoothly, but I
  could'nt do anything.

  Keystrokes such as tab, atl+tab, ctrl+alt+T (to open a terminal),
  Ctrl+Super+D, and the like, did absolutely nothing (or they do what
  they are supposed to do but I couldn't see it because the screen
  remained white.

  Replugging the monitor didn't fix the issue. When I plugged the
  monitor, the builtin screen would turn off, the external monitor would
  turn on but I could only see a white rectangle (probably of the same
  size as the laptop built in screen) on a black background, and the
  mouse cursor.

  Switching between virtual terminals (i.e. Ctrl+Alt+F1 and Ctrl+Alt+F7)
  worked, but wouldn't fix the issue.

  I had no other option than reboot (which I had to do from the F1
  virtual terminal), obviously losing all my unsaved work because of
  such a stupid bug, when probably all programs were running fine but
  invisibly.

  Please tell me what can be done to force a "wake up" of the screen as
  a workaround so next time this happens at least I don't have to reboot
  and lose all my data.

  I think this is a REGRESSION, or at least I had never, ever seen this
  before in years of using ubuntu.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
  Uname: Linux 3.8.0-33-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Fri Nov 29 21:46:27 2013
  DistUpgraded: Fresh install
  DistroCodename: raring
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 4.3.2, 3.8.0-32-generic, x86_64: installed
   vboxhost, 4.3.2, 3.8.0-33-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] 
(rev 09) (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] Device [1025:0647]
   NVIDIA Corporation GF117M [GeForce 610M/710M / GT 620M/625M/630M/720M] 
[10de:1140] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] GeForce 710M [1025:0691]
  InstallationDate: Installed on 2013-10-11 (49 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Acer Aspire V3-571G
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-33-generic 
root=UUID=5830b30e-69e8-4bb4-8a2b-bc2b43c7414a ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/15/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V2.07
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: VA50_HC_CR
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V2.07
  dmi.modalias: 
dmi:bvnAcer:bvrV2.07:bd10/15/2012:svnAcer:pnAspireV3-571G:pvrV2.07:rvnAcer:rnVA50_HC_CR:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.07:
  dmi.product.name: Aspire V3-571G
  dmi.product.version: V2.07
  dmi.sys.vendor: Acer
  version.compiz: compiz 1:0.9.9~daily13.06.19~13.04-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.43-0ubuntu1.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.7-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.7-1ubuntu2
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4.3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.7-0ubuntu1
  xserver.bootTime: Fri Nov 29 21:44:54 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.3-0ubuntu6.2
  xserver.video_driver: intel

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