compiz crashed with SIGSEGV in __libc_free()

[steinhauser christian]

Binary package hint: compiz

none

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.4git20110322-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
DRM.card0.DVI.D.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1080 1600x1200 1680x1050 1280x1024 1440x900 1280x960 1280x800 1280x720 1024x768 800x600 800x600 640x480
 edid-base64: AP///////wBMLc0FAAAAABITAQOAEAl4KmBBplZKnCUSUFQjCACpQIGAgUCBAJUAswABAQEBAjqAGHE4LUBYLEUAoFoAAAAeAR0AclHQHiBuKFUAoFoAAAAeAAAA/QAyPB5REQAKICAgICAgAAAA/ABTeW5jTWFzdGVyCiAgAZQCAxzxSJAEHwUUEwMSIwkHB4MBAABmAwwAEACAAR2A0HIcFiAQLCWAoFoAAACeAR2AGHEcFiBYLCUAoFoAAACeAR0AvFLQHiC4KFVAoFoAAAAejArQkCBAMSAMQFUAoFoAAAAYjArQiiDgLRAQPpYAoFoAAAAYAAAAAAAAAAAARg==
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sun Mar 27 23:12:29 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus: dahdi, 2.3.0.1+dfsg-2ubuntu1: added
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 nVidia Corporation C68 [GeForce 7050 PV / nForce 630a] [10de:053b] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: ASRock Incorporation Device [1849:053b]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=fr_FR:en
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=82497af5-7e6e-4da8-b5a1-a5e15cb12e10 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic 2.6.38
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7fc549dbd8c3 <__libc_free+83>: lock cmpxchg %esi,(%rbx)
 PC (0x7fc549dbd8c3) ok
 source "%esi" ok
 destination "(%rbx)" (0x7fc50000001f) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 __libc_free (mem=0x7fc5403d5960) at malloc.c:3736
 g_value_unset () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: compiz crashed with SIGSEGV in __libc_free()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 01/22/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.20
dmi.board.name: ALiveNF7G-HD720p....
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.20:bd01/22/2008:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvn:rnALiveNF7G-HD720p....:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

[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 #738665, 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.