compiz crashed with SIGSEGV in _wordcopy_fwd_aligned()

[Aroiu Ovidiu]

updating the system

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.2.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5
Uname: Linux 3.2.0-15-generic x86_64
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Mon Feb 13 12:04:28 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120209)
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f74cd436af0: mov (%rsi),%rax
 PC (0x7f74cd436af0) ok
 source "(%rsi)" (0xa1a64490) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
 TfpTexture::bindPixmapToTexture(unsigned long, int, int, int) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in TfpTexture::bindPixmapToTexture()
UpgradeStatus: Upgraded to precise on 2012-02-10 (2 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 _wordcopy_fwd_aligned (dstp=1268853056, srcp=2712028304, len=24118084) at wordcopy.c:53
 drisw_update_tex_buffer (drawable=<optimized out>, ctx=<optimized out>, res=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:58
 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8410, dPriv=<optimized out>) at dri_drawable.c:230
 TfpTexture::bindPixmapToTexture(unsigned long, int, int, int) () from /tmp/tmpRQT3fP/usr/lib/compiz/libopengl.so
 boost::detail::function::function_invoker4<GLTexture::List (*)(unsigned long, int, int, int), GLTexture::List, unsigned long, int, int, int>::invoke(boost::detail::function::function_buffer&, unsigned long, int, int, int) () from /tmp/tmpRQT3fP/usr/lib/compiz/libopengl.so