Xorg assert failure: *** glibc detected *** /usr/bin/X: double free or corruption (!prev): 0x09b8ab88 ***

[zsolti73]

I don't know what this mistake means.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-core 2:1.9.99.901+git20110131.be3be758-0ubuntu6
ProcVersionSignature: Ubuntu 2.6.38-4.31-generic 2.6.38-rc5
Uname: Linux 2.6.38-4-generic i686
Architecture: i386
AssertionMessage: *** glibc detected *** /usr/bin/X: double free or corruption (!prev): 0x09b8ab88 ***
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CrashCounter: 1
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1280x1024 1792x1344 1920x1200 1600x1200 1600x1200 1600x1200 1600x1200 1680x1050 1680x1050 1680x1050 1400x1050 1400x1050 1400x1050 1280x1024 1280x1024 1440x900 1440x900 1440x900 1280x960 1280x960 1360x768 1280x800 1280x800 1280x800 1152x864 1280x768 1280x768 1280x768 1024x768 1024x768 1024x768 1024x768 1024x768 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 800x600 848x480 640x480 640x480 640x480 640x480 640x480 640x480 640x480 720x400 720x400 720x400 640x400 640x350
 edid-base64: AP///////wBMLdtAOTFHUA0KAQIPJBuA616Jo1NGmCQRSEz//4AxWUVZYVmBmalPYWgBAQEBhj0AwFEAMEBAoBMAYAgRAAAeAAAA/QAyoB5gFQAKICAgICAgAAAA/ABTQU1UUk9OIDk1UCsKAAAA/wBIMkpOMzEzNzc0CiAgABo=
Date: Mon Feb 21 01:03:04 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
GraphicsCard:
 ATI Technologies Inc RV350 AS [Radeon 9550] [1002:4153] (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Device [1043:003c]
   Subsystem: ASUSTeK Computer Inc. Device [1043:003d]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101202)
ProcCmdline: /usr/bin/X :0 -nr -verbose -auth /var/run/gdm/auth-for-gdm-NCgJFQ/database -nolisten tcp vt7
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic root=UUID=3385fe54-70f6-4b8d-bcfe-699e674bad74 ro quiet splash vt.handoff=7
ProcKernelCmdLine_: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic root=UUID=3385fe54-70f6-4b8d-bcfe-699e674bad74 ro quiet splash vt.handoff=7
Renderer: Unknown
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/libc.so.6
 abort () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
 ?? () from /lib/libc.so.6
Title: Xorg assert failure: *** glibc detected *** /usr/bin/X: double free or corruption (!prev): 0x09b8ab88 ***
UserGroups:

dmi.bios.date: 09/24/2003
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: 6.00 PG
dmi.board.name: 8GEM667
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: 1.x
dmi.chassis.type: 3
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvr6.00PG:bd09/24/2003:svn:pn:pvr:rvnGigabyteTechnologyCo.,Ltd.:rn8GEM667:rvr1.x:cvn:ct3:cvr:
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu6
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu9
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #711422, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.