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[Bug 486056] Re: Setting up dual-head of exactly 2048 pixels wide ends up with a black screen. Setting it up with more than 2048 pixels crashes X

 

** Description changed:

  Binary package hint: xorg
  
  External monitor positioned to the left of LCD. When width is less than
  2048 pixels, everything works as expected. Crash with more than 2048
  pixels could be from a Compiz problem (this GPU cannot handle more than
  2048 pixels). With less than 2048 pixels (I am using the external
  monitor at 800x600) it works flawlessly. Placing external monitor on top
  of (or, presumably under) the LCD works (not reaching the 2048 pixel
  limit). Unfortunately external monitor is a CRT and this arrangement
  won't fit on my desk.
  
  ProblemType: Bug
  Architecture: i386
  Date: Fri Nov 20 19:18:03 2009
  DistroRelease: Ubuntu 9.10
  MachineType: Acer AOA150
  Package: xorg 1:7.4+3ubuntu7
  ProcCmdLine: root=UUID=3cf8a68c-92c7-4723-ad8d-f57b9b643766 ro quiet splash
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
  RelatedPackageVersions:
   xserver-xorg 1:7.4+3ubuntu7
   libgl1-mesa-glx 7.6.0-1ubuntu4
   libdrm2 2.4.14-1ubuntu1
   xserver-xorg-video-intel 2:2.9.0-1ubuntu2
   xserver-xorg-video-ati 1:6.12.99+git20090929.7968e1fb-0ubuntu1
  SourcePackage: xorg
  Uname: Linux 2.6.31-14-generic i686
  XsessionErrors:
   (polkit-gnome-authentication-agent-1:2343): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
   (nautilus:2336): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
   (gnome-panel:2335): Gdk-WARNING **: /build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a pixmap or window
  dmi.bios.date: 05/09/2008
  dmi.bios.vendor: Acer
  dmi.bios.version: v0.3114
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 1
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAcer:bvrv0.3114:bd05/09/2008:svnAcer:pnAOA150:pvr1:rvnAcer:rn:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
  dmi.product.name: AOA150
  dmi.product.version: 1
  dmi.sys.vendor: Acer
  fglrx: Not loaded
  system:
   distro:             Ubuntu
   architecture:       i686kernel:             2.6.31-14-generic
+ 
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03)
+     	Subsystem: Acer Incorporated [ALI] Device [1025:015b]

-- 
Setting up dual-head of exactly 2048 pixels wide ends up with a black screen. Setting it up with more than 2048 pixels crashes X
https://bugs.launchpad.net/bugs/486056
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