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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

** Changed in: unity
   Importance: Undecided => Medium

** Changed in: unity
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1125756

Title:
  compiz crashed with SIGSEGV in _M_release() -
  getCompPluginVTable20090315_unityshell() [xserver 1.14]

Status in Unity:
  Confirmed
Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  Installed the new X stack from canonical-x/x-staging, rebooted, and
  found that compiz crashes on logging in (the unity-greeter session
  seems fine).  I restarted lightdm and re-logged in a second time and
  hit the same problem.

  I had updated the system just prior to installing x-staging, and I
  don't think there's been any other changes, so am guessing the change
  in the X stack is what led to the crashing.  Guessing this is due to
  the pointer barrier changes that will need updated in unity (for which
  work is already under way.)

  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: unity 6.12.0daily13.02.08-0ubuntu1
  ProcVersionSignature: Ubuntu 3.7.0-2.8-generic 3.7.0-rc5
  Uname: Linux 3.7.0-2-generic x86_64
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
  CrashCounter: 1
  Date: Thu Feb 14 17:01:29 2013
  Disassembly: => 0x182a76:	Cannot access memory at address 0x182a76
  ExecutablePath: /usr/bin/compiz
  ExecutableTimestamp: 1360306597
  InstallationDate: Installed on 2013-02-12 (2 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20121120)
  MarkForUpload: True
  ProcCmdline: compiz
  ProcCwd: /home/bryce
  ProcEnviron:
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x182a76:	Cannot access memory at address 0x182a76
   PC (0x00182a76) not located in a known VMA region (needed executable region)!
  SegvReason: executing unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? ()
   getCompPluginVTable20090315_unityshell () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/libcompiz_core.so.ABI-20130125
   CompPlugin::load(char const*) () from /usr/lib/libcompiz_core.so.ABI-20130125
   compiz::private_screen::PluginManager::updatePlugins(CompScreen*, std::vector<CompOption::Value, std::allocator<CompOption::Value> > const&) () from /usr/lib/libcompiz_core.so.ABI-20130125
  Title: compiz crashed with SIGSEGV in getCompPluginVTable20090315_unityshell()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev root sambashare sudo

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