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["Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>]

** Changed in: unity (Ubuntu)
   Importance: Medium => High

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

** Also affects: unity
   Importance: Undecided
       Status: New

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

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

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1221457

Title:
  compiz crashed with SIGSEGV in PluginClassHandler<unity::UnityWindow,
  CompWindow, 0>::get()

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

Bug description:
  compiz crashed while the netbook was idle.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: unity 7.1.0+13.10.20130829.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-4.9-generic 3.11.0-rc7
  Uname: Linux 3.11.0-4-generic x86_64
  ApportVersion: 2.12.1-0ubuntu3
  Architecture: amd64
  Date: Thu Sep  5 23:04:55 2013
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2012-06-05 (456 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MarkForUpload: True
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7f0f4e4aad66 <_ZN18PluginClassHandlerIN5unity11UnityWindowE10CompWindowLi0EE3getEPS2_+454>:	mov    (%rax,%rdx,8),%rax
   PC (0x7f0f4e4aad66) ok
   source "(%rax,%rdx,8)" (0x00000088) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get(CompWindow*) () from /usr/lib/compiz/libunityshell.so
   unity::UnityScreen::OnTerminateSpread() () from /usr/lib/compiz/libunityshell.so
   sigc::internal::signal_emit0<void, sigc::nil>::emit(sigc::internal::signal_impl*) () from /usr/lib/compiz/libunityshell.so
   unity::PluginAdapter::OnScreenUngrabbed() () from /usr/lib/compiz/libunityshell.so
   unity::UnityScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get()
  UpgradeStatus: Upgraded to saucy on 2013-06-03 (94 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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