[apport] xrandr crashed with SIGSEGV

[pCarsten]

Binary package hint: xrandr

fwiw, here's the xorg.conf that I'm using. This is for a matrox 450 card, running
a dual-head/xinerama setup

$ cat /etc/X11/xorg.conf
# /etc/X11/xorg.conf (xorg 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 /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/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.
#
# 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 "Files"
  # path to defoma fonts
    FontPath "/usr/share/fonts/X11/misc"
    FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    FontPath "/usr/local/share/fonts"
EndSection

Section "Module"
  Load "i2c"
  Load "bitmap"
  Load "ddc"
  Load "extmod"
  Load "freetype"
  Load "int10"
  Load "type1"
  Load "vbe"
  load "glx"
  load "GLcore"
  load "dri"
  load "v4l"
EndSection

Section "InputDevice"
  Identifier "Generic Keyboard"
  Driver "kbd"
  option "CoreKeyboard"
  option "XkbRules" "xorg"
  option "XkbModel" "pc105"
  option "XkbLayout" "dk"
  option "XkbOptions" "lv3:ralt_switch"
  option "XkbVariant" "nodeadkeys"
EndSection

Section "InputDevice"
  Identifier "Configured Mouse"
  Driver "mouse"
  option "CorePointer"
  option "Device" "/dev/input/mice"
  option "Protocol" "ExplorerPS/2"
  option "ZAxisMapping" "4 5"
  option "Emulate3Buttons" "true"
EndSection

#Section "InputDevice"
# Driver "wacom"
# Identifier "stylus"
# option "Device" "/dev/wacom"# Change to
# option "Type" "stylus"
# option "ForceDevice" "ISDV4"# Tablet PC ONLY
# # /dev/input/event
# # for USB
#EndSection

#Section "InputDevice"
# Driver "wacom"
# Identifier "eraser"
# option "Device" "/dev/wacom"# Change to
# option "Type" "eraser"
# option "ForceDevice" "ISDV4"# Tablet PC ONLY
# # /dev/input/event
# # for USB
#EndSection

#Section "InputDevice"
# Driver "wacom"
# Identifier "cursor"
# option "Device" "/dev/wacom"# Change to
# option "Type" "cursor"
# option "ForceDevice" "ISDV4"# Tablet PC ONLY
# # /dev/input/event
# # for USB
#EndSection

Section "Device"
  identifier "Matrox Graphics, Inc. MGA G550 AGP"
  boardname "Matrox Millennium G550 DualHead"
  busid "PCI:1:0:0"
  driver "mga"
  screen 0
  vendorname "Matrox"
EndSection

Section "Monitor"
  identifier "SyncMaster"
  vendorname "Generic"
  modelname "Flat Panel 1600x1200"
  HorizSync 31.5-90
  VertRefresh 60
  modeline "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  modeline "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
  modeline "1280x1024@60" 108.0 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync
  modeline "1600x1200@60" 162.0 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync
  gamma 1.0
EndSection

Section "Screen"
  Identifier "Default Screen"
  Device "Matrox Graphics, Inc. MGA G550 AGP"
  Monitor "SyncMaster"
  DefaultDepth 24
  SubSection "Display"
    depth 24
    modes "1600x1200@60"
  EndSubSection
EndSection

Section "ServerLayout"
  Identifier "Default Layout"
  screen 0 "Default Screen" 0 0
  screen 1 "screen1" rightof "Default Screen"
  InputDevice "Generic Keyboard"
  InputDevice "Configured Mouse"
  # InputDevice "stylus" "SendCoreEvents"
  # InputDevice "cursor" "SendCoreEvents"
  # InputDevice "eraser" "SendCoreEvents"
EndSection

Section "DRI"
  Mode 0666
EndSection
Section "device" #
  identifier "device1"
  boardname "Matrox Millennium G550 DualHead"
  busid "PCI:1:0:0"
  driver "mga"
  screen 1
  vendorname "Matrox"
EndSection
Section "screen" #
  identifier "screen1"
  device "device1"
  defaultdepth 24
  monitor "monitor1"
  SubSection "Display"
    depth 24
    modes "1600x1200@60"
  EndSubSection
EndSection
Section "monitor" #
  identifier "monitor1"
  vendorname "Generic"
  modelname "Flat Panel 1600x1200"
  HorizSync 31.5-90
  VertRefresh 60
  modeline "640x480@60" 25.2 640 656 752 800 480 490 492 525 -vsync -hsync
  modeline "800x600@60" 40.0 800 840 968 1056 600 601 605 628 +hsync +vsync
  modeline "1024x768@60" 65.0 1024 1048 1184 1344 768 771 777 806 -vsync -hsync
  modeline "1280x1024@60" 108.0 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync
  modeline "1600x1200@60" 162.0 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync
  gamma 1.0
EndSection
Section "ServerFlags"
  option "Xinerama" "true"
EndSection

ProblemType: Crash
Architecture: i386
Date: Tue Apr 3 12:09:39 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/xrandr
Package: xrandr 1:1.0.2-0ubuntu1
PackageArchitecture: i386
ProcCmdline: xrandr
ProcCwd: /home/carsten
ProcEnviron:
 SHELL=/bin/bash
 PATH=/home/carsten/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 LANG=en_US.UTF-8
Signal: 11
SourcePackage: xrandr
StacktraceTop:
 ?? () from /usr/lib/libXrandr.so.2
 ?? () from /usr/lib/libXext.so.6
 ?? ()
 ?? () from /lib/ld-linux.so.2
 ?? ()
Uname: Linux tsort 2.6.20-13-generic #2 SMP Sun Mar 25 00:21:25 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin plugdev scanner video

[Apport retracing service (apport)]

StacktraceTop:XRRGetScreenInfo (dpy=0x804c008, window=98) at ../../src/XrrConfig.c:351
?? ()
?? ()
?? ()

[Ted (tedks)]

Try disabling xinerama, this fixed this bug for me.

[Brian Murray (brian-murray)]

Thanks for taking the time to report this bug and helping to make Ubuntu better. However, this bug is a duplicate of bug 104978 and is being marked as such. Feel free to submit any future bugs you may find.