*** This bug is a duplicate of bug 927168 ***
    https://bugs.launchpad.net/bugs/927168

** This bug is no longer a duplicate of private bug 1047715
** This bug has been marked a duplicate of bug 927168
   compiz crashed with SIGSEGV in memmove() from drisw_update_tex_buffer() from 
dri_set_tex_buffer2() from drisw_bind_tex_image() from __glXBindTexImageEXT() 
from TfpTexture::enable() from enableFragmentOperationsAndDrawGeometry()

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https://bugs.launchpad.net/bugs/1047897

Title:
  compiz crashed with SIGSEGV in TfpTexture::bindTexImage()

Status in “unity” package in Ubuntu:
  New

Bug description:
  Unity crashes with compiz plugin.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: unity 6.4.0-0ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
  Uname: Linux 3.5.0-13-generic x86_64
  ApportVersion: 2.5.1-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.321
  Date: Sat Sep  8 15:45:18 2012
  ExecutablePath: /usr/bin/compiz
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120905.2)
  ProcCmdline: compiz
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f8c46bbd696:        movdqu -0x10(%rsi),%xmm0
   PC (0x7f8c46bbd696) ok
   source "-0x10(%rsi)" (0x479d1c80) not located in a known VMA region (needed 
readable region)!
   destination "%xmm0" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? () 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::bindTexImage(unsigned long const&) () from 
/usr/lib/compiz/libopengl.so
   TfpTexture::enable(GLTexture::Filter) () from /usr/lib/compiz/libopengl.so
  Title: compiz crashed with SIGSEGV in TfpTexture::bindTexImage()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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