glxinfo crashed with SIGSEGV in memset()

[Nicolas DERIVE]

at system startup, after opening a session, this error occured.

ProblemType: Crash
Architecture: i386
CurrentDmesg:
 Error: command ['sh', '-c', 'dmesg | comm -13 /var/log/dmesg -'] failed with exit code 1: [ 50.276008] eth0: no IPv6 routers present
 comm: file 2 is not in sorted order
 [ 403.085247] padlock: VIA PadLock not detected.
 [ 424.345803] __ratelimit: 3 callbacks suppressed
 [ 424.345810] gdu-notificatio[4432]: segfault at c ip 0011a3ae sp bfc27fe0 error 4 in libgdu.so.0.0.0[110000+25000]
Date: Tue Sep 8 14:47:25 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/glxinfo
MachineType: System manufacturer P5K
NonfreeKernelModules: nvidia
Package: mesa-utils 7.6.0~git20090817.7c422387-0ubuntu3
PccardctlIdent:

PccardctlStatus:

ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-10-generic root=UUID=57815366-c975-4e08-a10e-208025672f51 ro crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcCmdline: /usr/bin/glxinfo
ProcEnviron:
 LANGUAGE=fr_FR.UTF-8
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-10.30-generic
RelatedPackageVersions:
 xserver-xorg 1:7.4+3ubuntu5
 libgl1-mesa-glx 7.6.0~git20090817.7c422387-0ubuntu3
 libdrm2 2.4.13-1ubuntu1
 xserver-xorg-video-intel 2:2.8.1-1ubuntu1
 xserver-xorg-video-ati 1:6.12.99+git20090825.fc74e119-0ubuntu1
SegvAnalysis:
 Segfault happened at: 0xef4ba7 <memset+55>: rep stos %eax,%es:(%edi)
 PC (0x00ef4ba7) ok
 source "%eax" ok
 destination "%es:(%edi)" (0x086b307b) in non-writable VMA region: 0x086b3000-0x086b4000 r--p None
SegvReason: writing VMA None
Signal: 11
SourcePackage: mesa
StacktraceTop:
 memset () from /lib/tls/i686/cmov/libc.so.6
 calloc () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /usr/lib/libGL.so.1
 ?? ()
 ?? ()
Title: glxinfo crashed with SIGSEGV in memset()
Uname: Linux 2.6.31-10-generic i686
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev pulse pulse-access scanner tape users video
dmi.bios.date: 10/14/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1201
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5K
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1201:bd10/14/2008:svnSystemmanufacturer:pnP5K:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5K:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5K
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
fglrx: Not loaded
system:
 distro: Ubuntu
 architecture: i686kernel: 2.6.31-10-generic

[lspci]
01:00.0 VGA compatible controller [0300]: nVidia Corporation G84 [GeForce 8600 GT] [10de:0402] (rev a1)
     Subsystem: nVidia Corporation Device [10de:050e]

[Apport retracing service (apport)]

StacktraceTop:memset () at ../sysdeps/i386/i686/memset.S:85
__libc_calloc (n=1, elem_size=20864) at malloc.c:4099
?? () from /usr/lib/libGL.so.1
xcb_connect_to_display_with_auth_info ()
xcb_connect () from /usr/lib/libxcb.so.1