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

** Information type changed from Private to Public

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

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https://bugs.launchpad.net/bugs/1234241

Title:
  compiz crashed with SIGSEGV in __exchange_and_add()

Status in “unity” package in Ubuntu:
  Triaged

Bug description:
  Compiz crashed on startup. As far as I am aware, I did nothing to
  provoke this error.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: unity 7.1.0+13.10.20130920-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
  Uname: Linux 3.11.0-8-generic x86_64
  ApportVersion: 2.12.5-0ubuntu1
  Architecture: amd64
  Date: Fri Sep 27 09:24:53 2013
  ExecutablePath: /usr/bin/compiz
  ExecutableTimestamp: 1379677419
  InstallationDate: Installed on 2012-05-01 (513 days ago)
  InstallationMedia: Ubuntu-Server 12.04 LTS "Precise Pangolin" - Release amd64 (20120424.1)
  MarkForUpload: True
  ProcCmdline: compiz
  ProcCwd: /home/joey
  SegvAnalysis:
   Segfault happened at: 0x7fd3bd06e69d <_ZN10CompAction8initiateEv+13>:	mov    0x8(%rdi),%rdx
   PC (0x7fd3bd06e69d) ok
   source "0x8(%rdi)" (0x00000008) not located in a known VMA region (needed readable region)!
   destination "%rdx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   CompAction::initiate() () from /usr/lib/libcompiz_core.so.ABI-20130415
   unity::MultiActionList::Initiate(std::string const&, std::vector<CompOption, std::allocator<CompOption> > const&, int) const () from /usr/lib/compiz/libunityshell.so
   unity::MultiActionList::InitiateAll(std::vector<CompOption, std::allocator<CompOption> > const&, int) const () from /usr/lib/compiz/libunityshell.so
   unity::PluginAdapter::InitiateScale(std::string const&, int) () from /usr/lib/compiz/libunityshell.so
   unity::PluginAdapter::ScaleWindowGroup(std::vector<unsigned long, std::allocator<unsigned long> > const&, int, bool) () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in CompAction::initiate()
  UpgradeStatus: Upgraded to saucy on 2013-09-23 (3 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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