[apport] beryl crashed with SIGSEGV in XPending()

[lizard]

Binary package hint: beryl-core

It is a quite hard to reproduce the bug. It occures randomly.

$ ls ~/.kde/Autostart/
beryl-manager.desktop kadu.desktop kmix.desktop knotes.desktop skype.desktop yakuake.desktop
esktop kadu.desktop kmix.desktop knotes.desktop skype.desktop yakuake.desktop
$ cat ~/.kde/Autostart/beryl-manager.desktop
[Desktop Entry]
Name=Beryl Manager
Name[fr]=Gestionnaire Beryl
Comment=Setup Beryl
Comment[fr]=Configuration de Beryl
Exec=beryl-manager
Icon=beryl-manager.svg
Terminal=false
Type=Application
Categories=System;Application;X-Fedora;
Encoding=UTF-8
$ cat /etc/X11/xorg.conf
$ cat /etc/X11/xorg.conf
Section "Files"
        FontPath "/usr/share/fonts/X11/misc"
        FontPath "/usr/share/fonts/X11/cyrillic"
        FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
        FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
        FontPath "/usr/share/fonts/X11/Type1"
        FontPath "/usr/share/fonts/X11/100dpi"
        FontPath "/usr/share/fonts/X11/75dpi"
        FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection
Section "Module"
        Load "i2c"
        Load "bitmap"
        Load "ddc"
        Load "dri"
        Load "extmod"
        Load "freetype"
        Load "glx"
        Load "int10"
        Load "vbe"
        Load "dbe"
EndSection
Section "InputDevice"
        Identifier "Generic Keyboard"
        Driver "kbd"
        Option "CoreKeyboard"
        Option "XkbRules" "xorg"
        Option "XkbModel" "pc105"
        Option "XkbLayout" "pl"
EndSection
Section "InputDevice"
        Identifier "Configured Mouse"
        Driver "mouse"
        Option "CorePointer"
        Option "Device" "/dev/input/mice"
        Option "Protocol" "ImPS/2"
        Option "ZAxisMapping" "4 5"
        Option "Emulate3Buttons" "true"
EndSection
Section "InputDevice"
        Identifier "Synaptics Touchpad"
        Driver "synaptics"
        Option "SendCoreEvents" "true"
        Option "Device" "/dev/psaux"
        Option "Protocol" "auto-dev"
        Option "HorizScrollDelta" "0"
EndSection
Section "Device"
        Identifier "ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]"
        Driver "radeon"
        BusID "PCI:1:0:0"
        Option "AGPFastWrite" "true"
        Option "AGPMode" "4"
        Option "ColorTiling" "true"
        Option "DDCMode" "false"
        Option "EnablePageFlip" "true"
        Option "IgnoreEDID" "true"
        Option "MergedDPI" "116 116"
        Option "RenderAccel" "true"
        Option "SubPixelOrder" "RGB"
        Option "XAANoOffscreenPixmaps"
EndSection
Section "Monitor"
        Identifier "Generic Monitor"
        DisplaySize 305 230
EndSection
Section "Screen"
        Identifier "Default Screen"
        Device "ATI Technologies Inc RV350 [Mobility Radeon 9600 M10]"
        Monitor "Generic Monitor"
        DefaultDepth 24
        SubSection "Display"
                Depth 1
                Modes "1400x1050"
        EndSubSection
        SubSection "Display"
                Depth 4
                Modes "1400x1050"
        EndSubSection
        SubSection "Display"
                Depth 8
                Modes "1400x1050"
        EndSubSection
        SubSection "Display"
                Depth 15
                Modes "1400x1050"
        EndSubSection
        SubSection "Display"
                Depth 16
                Modes "1400x1050"
        EndSubSection
        SubSection "Display"
                Depth 24
                Modes "1400x1050"
        EndSubSection
EndSection
Section "ServerLayout"
        Identifier "Default Layout"
        Screen "Default Screen"
        InputDevice "Generic Keyboard"
        InputDevice "Configured Mouse"
        InputDevice "Synaptics Touchpad"
        Option "AIGLX" "true"
EndSection
Section "DRI"
        Mode 0660
EndSection
Section "Extensions"
        Option "Composite" "Enable"
EndSection

Hardware:
laptop HP Compaq nc8000
Ati Radeon 9600 Mobility M10 RV350

ProblemType: Crash
Architecture: i386
Date: Mon Apr 30 14:28:10 2007
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/beryl
Package: beryl-core 0.2.1.dfsg+git20070318-0ubuntu2
PackageArchitecture: i386
ProcCmdline: beryl
ProcCwd: /home/wojtek
ProcEnviron:
 LANGUAGE=pl_PL:pl:en_GB:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: beryl-core
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 XPending () from /usr/lib/libX11.so.6
Uname: Linux speedy 2.6.20-15-generic #2 SMP Sun Apr 15 07:36:31 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video