X11 crashes randomly

[nerdy_kid]

Binary package hint: xorg

I like playing Nexuiz (2.5.2 -- current version) now and then, and after my upgrade to Lucid X now randomly crashes. Here's the backtrace from my kdm log:

X.Org X Server 1.7.6
Release Date: 2010-03-17
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-25-server i686 Ubuntu
Current Operating System: Linux my-laptop 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=17fa1623-401f-4614-8239-53163ddf4ecb ro splash quiet vga=0x314 splash quiet
Build Date: 15 April 2010 10:56:58PM
xorg-server 2:1.7.6-2ubuntu5 (Bryce Harrington <email address hidden>)
Current version of pixman: 0.16.4
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed Apr 21 12:19:33 2010
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/usr/lib/X11/xorg.conf.d"
QFont::fromString: Invalid description 'Serif,20,5,0,50,0'
QFont::fromString: Invalid description 'Sans Serif,10,5,0,50,0'
QFont::fromString: Invalid description 'Sans Serif,10,5,0,75,0'
FreeType: couldn't find encoding 'iso8859-14' for '/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType/Georgia_Italic.ttf'

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e937b]
1: /usr/bin/X (0x8048000+0x61c7d) [0x80a9c7d]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0x379410]
Segmentation fault at address 0x24

Caught signal 11 (Segmentation fault). Server aborting

Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
Please also check the log file at "/var/log/Xorg.0.log" for additional information.

 ddxSigGiveUp: Closing log

Using NVIDIA geforce 8600M with nvidia drivers 195.36.15. From my inexperienced eye this looks like a X bug though.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: xserver-xorg 1:7.5+5ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: wl nvidia
Architecture: i386
Date: Thu Apr 22 17:07:42 2010
MachineType: Dell Inc. Vostro 1500
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=17fa1623-401f-4614-8239-53163ddf4ecb ro splash quiet vga=0x314 splash quiet
ProcEnviron:
 LANGUAGE=
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 04/21/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: 0WY040
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd04/21/2008:svnDellInc.:pnVostro1500:pvr:rvnDellInc.:rn0WY040:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Vostro 1500
dmi.sys.vendor: Dell Inc.
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-21-generic

[Bryce Harrington (bryce)]

Sorry, this seems to be a non-specific crash in kde without a valid stack trace. It cannot be analyzed as reported.