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[Bug 574829] Re: Latest patches to Karmic cause laptop screen to blank randomly

 

apport information

** Tags added: apport-collected

** Description changed:

  Binary package hint: xorg
  
  I have had Karmic running for a few weeks now, with no issues.  An
  IBMThinkpad T42p, with an external monitor connected as well as the
  laptop screen.  Recently, after the last Karmic update via the update
  manager, my laptop screen randomly just turns off.  The attached screen
  is fine and if I depress Fn+F7 a few times (5) the screen will re-appear
  with all the apps, icons etc. untouched.  If I am watching a video with
  say VLC, it will continue to run and you can hear the sound.
  
  I have adjusted the screen saver and power management for both AC and
  battery power, turning off everything I can.  Doesn't help.  I have
  turned off gnome-power-manager via killall, still screen laptop will
  blank randomly.  If however, I remove the power from the laptop
  (i.e.running on battery), then it stops, until I put the power back in,
  then eventually the laptop screen will blank again.  So this could be
  apic or some other issue?
  
  $ lsb_release -rd
  Description:	Ubuntu 9.10
  Release:	9.10
  
  $ apt-cache policy xorg
  xorg:
    Installed: 1:7.4+3ubuntu10
    Candidate: 1:7.4+3ubuntu10
    Version table:
   *** 1:7.4+3ubuntu10 0
          500 http://mirror.csclub.uwaterloo.ca karmic-updates/main Packages
          100 /var/lib/dpkg/status
       1:7.4+3ubuntu7 0
          500 http://mirror.csclub.uwaterloo.ca karmic/main Packages
  
  ProblemType: Bug
  Architecture: i386
  Date: Mon May  3 18:43:28 2010
  DistroRelease: Ubuntu 9.10
  MachineType: IBM 23737XU
  Package: xorg 1:7.4+3ubuntu10
  PccardctlIdent:
   Socket 0:
     no product info available
   Socket 1:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     no card
  ProcCmdLine: root=UUID=bd192051-89cd-4372-8694-2f4972385635 ro quiet splash
  ProcEnviron:
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-21.59-generic
  RelatedPackageVersions:
   xserver-xorg 1:7.4+3ubuntu10
   libgl1-mesa-glx 7.6.0-1ubuntu4
   libdrm2 2.4.14-1ubuntu1
   xserver-xorg-video-intel 2:2.9.0-1ubuntu2.1
   xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
  SourcePackage: xorg
  Uname: Linux 2.6.31-21-generic i686
  dmi.bios.date: 10/13/2005
  dmi.bios.vendor: IBM
  dmi.bios.version: 1RETDNWW (3.19 )
  dmi.board.name: 23737XU
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnIBM:bvr1RETDNWW(3.19):bd10/13/2005:svnIBM:pn23737XU:pvrThinkPadT42p:rvnIBM:rn23737XU:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 23737XU
  dmi.product.version: ThinkPad T42p
  dmi.sys.vendor: IBM
  fglrx: Not loaded
  system:
   distro:             Ubuntu
   architecture:       i686kernel:             2.6.31-21-generic
+ --- 
+ Architecture: i386
+ DistroRelease: Ubuntu 10.04
+ DkmsStatus:
+  
+ Lsusb:
+  Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: IBM 23737XU
+ Package: xserver-xorg-video-ati 1:6.13.0-1ubuntu5
+ PackageArchitecture: i386
+ PccardctlIdent:
+  Socket 0:
+    no product info available
+  Socket 1:
+    no product info available
+ PccardctlStatus:
+  Socket 0:
+    no card
+  Socket 1:
+    no card
+ ProcCmdLine: root=UUID=bd192051-89cd-4372-8694-2f4972385635 ro quiet splash
+ ProcEnviron:
+  LANG=en_CA.utf8
+  SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
+ Tags: lucid lucid
+ Uname: Linux 2.6.32-22-generic i686
+ UserGroups:
+  
+ dmi.bios.date: 10/13/2005
+ dmi.bios.vendor: IBM
+ dmi.bios.version: 1RETDNWW (3.19 )
+ dmi.board.name: 23737XU
+ dmi.board.vendor: IBM
+ dmi.board.version: Not Available
+ dmi.chassis.asset.tag: No Asset Information
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: IBM
+ dmi.chassis.version: Not Available
+ dmi.modalias: dmi:bvnIBM:bvr1RETDNWW(3.19):bd10/13/2005:svnIBM:pn23737XU:pvrThinkPadT42p:rvnIBM:rn23737XU:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
+ dmi.product.name: 23737XU
+ dmi.product.version: ThinkPad T42p
+ dmi.sys.vendor: IBM
+ system:
+  distro:             Ubuntu
+  codename:           lucid
+  architecture:       i686
+  kernel:             2.6.32-22-generic

** Attachment added: "BootDmesg.txt"
   http://launchpadlibrarian.net/48158784/BootDmesg.txt

-- 
Latest patches to Karmic cause laptop screen to blank randomly
https://bugs.launchpad.net/bugs/574829
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