Public bug reported:

Bit of an odd one -- this started happening when I was using the oibaf
repo, but I switched back to regular Quantual repos and it kept
happening, so:

Intel Sandybridge motherboards generally have 3 display outputs (VGA,
DVI, and HDMI), but they can only drive two simultaneously. I have a
display plugged into all three (two desk monitors in VGA and DVI, and a
projector in HDMI), and Ubuntu's Displays application is generally very
good about letting me switch between any combination of two (e.g. by
disabling one of the two I have enabled, then enabling the third). The
exception is at boot time, when (with some irregularity, but at least
two times out of three) X seemingly tries to initialize all three
displays, with one of them winding up running at something like 37Hz and
either displaying a garbled image or nothing until I disable it and
reenable it again, after which everything is fine.

Thoughts?

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7
Uname: Linux 3.8.0-6-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.9-0ubuntu2
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: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Sat Mar  2 11:13:42 2013
DistUpgraded: 2012-11-05 07:52:07,592 DEBUG enabling apt cron job
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 4.1.22, 3.5.0-23-generic, x86_64: installed
 virtualbox, 4.1.22, 3.8.0-6-generic, x86_64: installed
 virtualbox, 4.1.22, 3.8.0-7-generic, x86_64: installed
 virtualbox, 4.1.22, 3.8.0-8-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0112] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: ASRock Incorporation Device [1849:0112]
InstallationDate: Installed on 2012-08-27 (186 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_CA:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-6-generic 
root=UUID=1533dd09-48da-4d4c-9233-d2582e1aa4d1 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to raring on 2012-11-05 (117 days ago)
XorgConf:
 Section "Device"
 Identifier "Card0"
 Driver "intel"
 Option "AccelMethod" "sna"
 EndSection
dmi.bios.date: 06/14/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.40
dmi.board.name: Z68M-ITX/HT
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP2.40:bd06/14/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ68M-ITX/HT:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.9~daily13.03.01-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.42+git1302251607.41fc2c~gd~q
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2~git1303011700.58bd92~gd~q
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2~git1303011700.58bd92~gd~q
version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.21.3+git1303011658.8c2ded~gd~q
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Fri Mar  1 17:18:48 2013
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.2-0ubuntu2
xserver.video_driver: intel

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 corruption raring third-party-packages 
ubuntu

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1140513

Title:
  X doesn't initialize displays properly on sandybridge when 3 screens
  connected

Status in “xorg” package in Ubuntu:
  New

Bug description:
  Bit of an odd one -- this started happening when I was using the oibaf
  repo, but I switched back to regular Quantual repos and it kept
  happening, so:

  Intel Sandybridge motherboards generally have 3 display outputs (VGA,
  DVI, and HDMI), but they can only drive two simultaneously. I have a
  display plugged into all three (two desk monitors in VGA and DVI, and
  a projector in HDMI), and Ubuntu's Displays application is generally
  very good about letting me switch between any combination of two (e.g.
  by disabling one of the two I have enabled, then enabling the third).
  The exception is at boot time, when (with some irregularity, but at
  least two times out of three) X seemingly tries to initialize all
  three displays, with one of them winding up running at something like
  37Hz and either displaying a garbled image or nothing until I disable
  it and reenable it again, after which everything is fine.

  Thoughts?

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7
  Uname: Linux 3.8.0-6-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.9-0ubuntu2
  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: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Sat Mar  2 11:13:42 2013
  DistUpgraded: 2012-11-05 07:52:07,592 DEBUG enabling apt cron job
  DistroCodename: raring
  DistroVariant: ubuntu
  DkmsStatus:
   virtualbox, 4.1.22, 3.5.0-23-generic, x86_64: installed
   virtualbox, 4.1.22, 3.8.0-6-generic, x86_64: installed
   virtualbox, 4.1.22, 3.8.0-7-generic, x86_64: installed
   virtualbox, 4.1.22, 3.8.0-8-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics 
Controller [8086:0112] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: ASRock Incorporation Device [1849:0112]
  InstallationDate: Installed on 2012-08-27 (186 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
(20120823.1)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-6-generic 
root=UUID=1533dd09-48da-4d4c-9233-d2582e1aa4d1 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to raring on 2012-11-05 (117 days ago)
  XorgConf:
   Section "Device"
   Identifier "Card0"
   Driver "intel"
   Option "AccelMethod" "sna"
   EndSection
  dmi.bios.date: 06/14/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.40
  dmi.board.name: Z68M-ITX/HT
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP2.40:bd06/14/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ68M-ITX/HT:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  version.compiz: compiz 1:0.9.9~daily13.03.01-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.42+git1302251607.41fc2c~gd~q
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.2~git1303011700.58bd92~gd~q
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.2~git1303011700.58bd92~gd~q
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.2-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.21.3+git1303011658.8c2ded~gd~q
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Fri Mar  1 17:18:48 2013
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.2-0ubuntu2
  xserver.video_driver: intel

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