[Bug 351756] Re: Xorg crashed after external monitor in drm_intel_bo_reference() from i830_set_pixmap_bo (UXA bug)

[Bryce Harrington]

** Description changed:

  Connected external monitor, and the monitors 1600x1200 resolution was
  detected (finally!!). However, upon restarting X to complete the new
  settings it crashed.
  
  Here is a screenshot of the error received after restarting X.
  http://dl.getdropbox.com/u/256410/IMG_0479.JPG
  
  Here is the xorg.conf that doesnt crash my system:
  
  # xorg.conf (X.Org X Window System server configuration file)
  #
  # This file was generated by dexconf, the Debian X Configuration tool, using
  # values from the debconf database.
  #
  # Edit this file with caution, and see the xorg.conf manual page.
  # (Type "man xorg.conf" at the shell prompt.)
  #
  # This file is automatically updated on xserver-xorg package upgrades *only*
  # if it has not been modified since the last upgrade of the xserver-xorg
  # package.
  #
  # Note that some configuration settings that could be done previously
  # in this file, now are automatically configured by the server and settings
  # here are ignored.
  #
  # If you have edited this file but would like it to be automatically updated
  # again, run the following command:
  #   sudo dpkg-reconfigure -phigh xserver-xorg
  
  Section "Device"
  	Identifier	"Configured Video Device"
  	Option        "AccelMethod" "uxa"
  EndSection
  
  Section "Monitor"
  	Identifier	"Configured Monitor"
  EndSection
  
  Section "Screen"
  	Identifier	"Default Screen"
  	Monitor		"Configured Monitor"
  	Device		"Configured Video Device"
  EndSection
  ####
  
  
  Here is the xorg.conf that crashes my system:
  
  # xorg.conf (X.Org X Window System server configuration file)
  #
  # This file was generated by dexconf, the Debian X Configuration tool, using
  # values from the debconf database.
  #
  # Edit this file with caution, and see the xorg.conf manual page.
  # (Type "man xorg.conf" at the shell prompt.)
  #
  # This file is automatically updated on xserver-xorg package upgrades *only*
  # if it has not been modified since the last upgrade of the xserver-xorg
  # package.
  #
  # Note that some configuration settings that could be done previously
  # in this file, now are automatically configured by the server and settings
  # here are ignored.
  #
  # If you have edited this file but would like it to be automatically updated
  # again, run the following command:
  #   sudo dpkg-reconfigure -phigh xserver-xorg
  
  Section "Monitor"
  	Identifier	"Configured Monitor"
  EndSection
  
  Section "Screen"
  	Identifier	"Default Screen"
  	Monitor		"Configured Monitor"
  	Device		"Configured Video Device"
  	SubSection "Display"
  		Virtual	3120 1050
  	EndSubSection
  EndSection
  
  Section "Device"
  	Identifier	"Configured Video Device"
  	Option        "AccelMethod" "uxa"
  EndSection
  
  ####
  
  
  ProblemType: Crash
  Architecture: i386
  CrashCounter: 1
  DistroRelease: Ubuntu 9.04
  ExecutablePath: /usr/bin/Xorg
  Package: xserver-xorg-core 2:1.6.0-0ubuntu6
  ProcAttrCurrent: unconfined
  ProcCmdline: /usr/X11R6/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  ProcVersion: Linux version 2.6.28-11-generic (buildd at palmer) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #38-Ubuntu SMP Fri Mar 27 09:00:52 UTC 2009
  Signal: 11
  SourcePackage: xorg-server
  StacktraceTop:
   drm_intel_bo_reference () from /usr/lib/libdrm_intel.so.1
   i830_set_pixmap_bo ()
   ?? () from /usr/lib/xorg/modules/drivers//intel_drv.so
   ?? ()
   xf86RandR12CreateScreenResources ()
  Title: Xorg crashed with SIGSEGV in drm_intel_bo_reference()
  Uname: Linux 2.6.28-11-generic i686
  UserGroups:
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
+     	Subsystem: Dell Device [1028:01d8]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
+     	Subsystem: Dell Device [1028:01d8]

-- 
Xorg crashed after external monitor in drm_intel_bo_reference() from i830_set_pixmap_bo (UXA bug)
https://bugs.launchpad.net/bugs/351756
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