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[Launchpad Bug Tracker <1281630@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1281610 ***
    https://bugs.launchpad.net/bugs/1281610

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: unity (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1281630

Title:
  compiz crashed with SIGSEGV in
  unity::decoration::Window::Impl::UpdateDecorationTextures()

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

Bug description:
  i didn't do nothing special to trigger this bug... i was just coding
  in Qt Creator when Unity crashed/self restarted? and so on..

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140217-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
  Uname: Linux 3.13.0-8-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu4
  Architecture: i386
  CurrentDesktop: Unity
  Date: Tue Feb 18 17:40:48 2014
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2012-04-30 (659 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  ProcCmdline: compiz
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xb0ed8990 <_ZN5unity10decoration6Window4Impl24UpdateDecorationTexturesEv+416>:	mov    (%eax),%edx
   PC (0xb0ed8990) ok
   source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   unity::decoration::Window::Impl::UpdateDecorationTextures() () from /usr/lib/compiz/libunityshell.so
   unity::decoration::Window::UpdateDecorationPosition() () from /usr/lib/compiz/libunityshell.so
   unity::UnityWindow::windowNotify(CompWindowNotify) () from /usr/lib/compiz/libunityshell.so
   CompWindow::windowNotify(CompWindowNotify) () from /usr/lib/libcompiz_core.so.ABI-20140123
   CompWindow::map() () from /usr/lib/libcompiz_core.so.ABI-20140123
  Title: compiz crashed with SIGSEGV in unity::decoration::Window::Impl::UpdateDecorationTextures()
  UpgradeStatus: Upgraded to trusty on 2014-02-02 (16 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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