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

** This bug is no longer a duplicate of bug 932316
   compiz crashed with SIGSEGV in drisw_update_tex_buffer() from ... from 
__glXBindTexImageEXT() from TfpTexture::enable() from 
enableFragmentOperationsAndDrawGeometry()
** This bug has been marked a duplicate of bug 927168
   compiz crashed with SIGSEGV in drisw_update_tex_buffer() from ... from 
__glXBindTexImageEXT() from TfpTexture::enable() from 
enableFragmentOperationsAndDrawGeometry()

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https://bugs.launchpad.net/bugs/941235

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

Status in “unity” package in Ubuntu:
  New

Bug description:
  Description:  Ubuntu precise (development branch)
  Release:      12.04

  unity:
    Installato: 5.4.0-0ubuntu2
    Candidato:  5.4.0-0ubuntu2
    Tabella versione:
   *** 5.4.0-0ubuntu2 0
          500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
          100 /var/lib/dpkg/status

  after removing nvidia-current driver and restarting session

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: unity 5.4.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 1.93-0ubuntu2
  Architecture: amd64
  Date: Sun Feb 26 04:18:30 2012
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 
(20120201.1)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7f4bb5958f00:        movdqu (%rsi),%xmm0
   PC (0x7f4bb5958f00) ok
   source "(%rsi)" (0xfffffffff8c0e980) 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::enable(GLTexture::Filter) () from /usr/lib/compiz/libopengl.so
   GLWindow::glDrawTexture(GLTexture*, GLFragment::Attrib&, unsigned int) () 
from /usr/lib/compiz/libopengl.so
  Title: compiz crashed with SIGSEGV in TfpTexture::enable()
  UpgradeStatus: Upgraded to precise on 2012-02-26 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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