compiz crashed with SIGSEGV in xcb_glx_get_string_string_length()

[kamitala]

i dont know

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: compiz-core 1:0.9.8+bzr3249-0ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-10.10-generic 3.5.1
Uname: Linux 3.5.0-10-generic x86_64
ApportVersion: 2.4-0ubuntu8
Architecture: amd64
CrashCounter: 1
Date: Wed Aug 22 02:52:46 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120627)
ProcCmdline: Compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fa7da4cbcc0 <xcb_glx_get_string_string_length>: mov 0xc(%rdi),%eax
 PC (0x7fa7da4cbcc0) ok
 source "0xc(%rdi)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 xcb_glx_get_string_string_length () from /usr/lib/x86_64-linux-gnu/libxcb-glx.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
 ?? () from /usr/lib/x86_64-linux-gnu/mesa/libGL.so.1
 GLScreen::glInitContext(XVisualInfo*) () from /usr/lib/compiz/libopengl.so
 GLScreen::GLScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in xcb_glx_get_string_string_length()
UpgradeStatus: Upgraded to quantal on 2012-08-16 (5 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #964400, 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.