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[Bug 681054] Re: screen repeatedly goes black for a fraction of a second (two monitors detected?)

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Cobalt <681054@xxxxxxxxxxxxxxxxxx>
Date: Tue, 05 Apr 2011 23:18:32 -0000
Reply-to: Bug 681054 <681054@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
apport information

** Description changed:

  Binary package hint: xorg
  
  Since I upgraded from Ubuntu 10.04 to 10.10, the monitor displays
  correctly for a couple of seconds, then turns black for a fraction of a
  second and then repeats the on and off sequence, making the computer
  nearly unusable.
  
  The whole sequence is periodic, not random.
  
  Another bug reported earlier (#606987) persists in this release as well,
  perhaps with the exception that restarting the computer (as opposed to
  turning it on after a shutdown) gives a normal logon screen. (I only
  used Restart a couple of times since the upgrade.)
  
  Thanks and regards
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: xorg 1:7.5+6ubuntu3
  ProcVersionSignature: Ubuntu 2.6.35-23.40-generic 2.6.35.7
  Uname: Linux 2.6.35-23-generic i686
  Architecture: i386
  DRM.card0.DVI.D.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  DRM.card0.VGA.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  Date: Wed Nov 24 18:09:03 2010
  MachineType: ASUSTeK Computer INC. NOVALITE PX20
  ProcCmdLine: root=UUID=37b5536f-4bc2-458a-8381-a46d761e21ac ro quiet splash
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: xorg
  Symptom: display
  dmi.bios.date: 01/25/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: PXP5M1-DHS
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 0501
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0501:bd01/25/2008:svnASUSTeKComputerINC.:pnNOVALITEPX20:pvr0501:rvnASUSTeKComputerINC.:rnPXP5M1-DHS:rvr0501:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: NOVALITE PX20
  dmi.product.version: 0501
  dmi.sys.vendor: ASUSTeK Computer INC.
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-23-generic
  --- 
  Architecture: i386
  CurrentDmesg: [   34.032023] eth0: no IPv6 routers present
  DRM.card0.DVI.D.1:
   status: connected
   enabled: enabled
   dpms: Off
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  DRM.card0.VGA.1:
   status: connected
   enabled: enabled
   dpms: Off
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  DistroRelease: Ubuntu 10.10
  DkmsStatus: Error: [Errno 2] No such file or directory
  MachineType: ASUSTeK Computer INC. NOVALITE PX20
  Package: xserver-xorg-video-intel 2:2.14.0+git20110122.5baa63c6-0ubuntu0sarvatt~maverick
  PackageArchitecture: i386
  ProcCmdLine: root=UUID=37b5536f-4bc2-458a-8381-a46d761e21ac ro quiet splash
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
  Tags: maverick maverick
  Uname: Linux 2.6.35-25-generic i686
  UnreportableReason: This is not a genuine Ubuntu package
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 01/25/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: PXP5M1-DHS
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 0501
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0501:bd01/25/2008:svnASUSTeKComputerINC.:pnNOVALITEPX20:pvr0501:rvnASUSTeKComputerINC.:rnPXP5M1-DHS:rvr0501:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: NOVALITE PX20
  dmi.product.version: 0501
  dmi.sys.vendor: ASUSTeK Computer INC.
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-25-generic
  
  --- 
  Architecture: i386
  DRM.card0.DVI.D.1:
   status: connected
   enabled: enabled
   dpms: Off
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  DRM.card0.VGA.1:
   status: connected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DistroRelease: Ubuntu 10.10
  DkmsStatus: Error: [Errno 2] No such file or directory
  MachineType: ASUSTeK Computer INC. NOVALITE PX20
  Package: xserver-xorg-video-intel 2:2.14.0+git20110214.23f9b14d-0ubuntu0sarvatt~maverick
  PackageArchitecture: i386
  ProcCmdLine: root=UUID=37b5536f-4bc2-458a-8381-a46d761e21ac ro quiet splash video=VGA-1:d
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
  Tags: maverick maverick
  Uname: Linux 2.6.35-25-generic i686
  UnreportableReason: This is not a genuine Ubuntu package
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 01/25/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: PXP5M1-DHS
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 0501
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0501:bd01/25/2008:svnASUSTeKComputerINC.:pnNOVALITEPX20:pvr0501:rvnASUSTeKComputerINC.:rnPXP5M1-DHS:rvr0501:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: NOVALITE PX20
  dmi.product.version: 0501
  dmi.sys.vendor: ASUSTeK Computer INC.
  system:
   distro:             Ubuntu
   codename:           maverick
   architecture:       i686
   kernel:             2.6.35-25-generic
  --- 
  Architecture: i386
  DRM.card0.HDMI.A.1:
   status: connected
   enabled: enabled
   dpms: On
   modes: 1680x1050 1600x1000 1280x1024 1280x1024 1440x900 1440x900 1152x864 1024x768 1024x768 1024x768 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
   edid-base64: AP///////wAwrkYRAQEBATESAQOAMB547u6Vo1RMmSYPUFStzwAxRnFPgYCVAJUPqQCzAAEBfC6QoGAaHkAwIDYA2SgRAAAaAAAA/ABMMjI0MHB3RAogICAgAAAA/QAySx5LDwAKICAgICAgAAAA/wA2VjYwMTg3MQogICAgAJ4=
  DRM.card0.VGA.1:
   status: disconnected
   enabled: disabled
   dpms: Off
   modes: 
   edid-base64:
  DistUpgraded: Fresh install
  DistroCodename: natty
  DistroRelease: Ubuntu 11.04
  DistroVariant: ubuntu
  GdmLog1: Not present
  GdmLog2: Not present
  GraphicsCard:
   Subsystem: ASUSTeK Computer Inc. Device [1043:82d9]
     Subsystem: ASUSTeK Computer Inc. Device [1043:82d9]
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110214)
  MachineType: ASUSTeK Computer INC. NOVALITE PX20
  Package: xserver-xorg-video-intel 2:2.14.0-1ubuntu7
  PackageArchitecture: i386
  ProcEnviron:
   LANGUAGE=en_US.UTF-8:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
  Tags: natty running-unity ubuntu
  Uname: Linux 2.6.38-3-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 01/25/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0501
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: PXP5M1-DHS
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 0501
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0501:bd01/25/2008:svnASUSTeKComputerINC.:pnNOVALITEPX20:pvr0501:rvnASUSTeKComputerINC.:rnPXP5M1-DHS:rvr0501:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: NOVALITE PX20
  dmi.product.version: 0501
  dmi.sys.vendor: ASUSTeK Computer INC.
  version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
  version.libdrm2: libdrm2 2.4.23-1ubuntu3
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.10-1ubuntu1
  version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu4
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2+git20110124.fadee040-0ubuntu4
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu7
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4
+ --- 
+ Architecture: i386
+ DistroRelease: Ubuntu 11.04
+ LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110405)
+ Package: xserver-xorg-video-intel 2:2.14.0-4ubuntu6
+ PackageArchitecture: i386
+ ProcEnviron:
+  LANGUAGE=en_US:en
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
+ Tags:  natty running-unity
+ Uname: Linux 2.6.38-7-generic i686
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

** Attachment added: "Dependencies.txt"
   https://bugs.launchpad.net/bugs/681054/+attachment/1985550/+files/Dependencies.txt

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https://bugs.launchpad.net/bugs/681054

Title:
  screen repeatedly goes black for a fraction of a second (two monitors
  detected?)
References

[Bug 681054] [NEW] screen repeatedly goes black for a fraction of a second
From: Cobalt, 2010-11-24