Public bug reported:

This crash happened when I disconnected my external monitor.

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: 2.12.4-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Sun Sep 22 15:28:54 2013
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2010-09-24 (1094 days ago)
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
MarkForUpload: True
ProcCmdline: compiz --sm-client-id 
10f36c25ff9ff47035137124123089641000000038000043
SegvAnalysis:
 Segfault happened at: 0x478fc80:       addb   $0x0,(%rax)
 PC (0x0478fc80) in non-executable VMA region: 0x023b6000-0x049c7000 rw-p [heap]
 source "$0x0" ok
 destination "(%rax)" (0x03c93160) ok
SegvReason: executing writable VMA [heap]
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? ()
 unity::ui::EdgeBarrierController::Impl::SetupBarriers(std::vector<nux::Rect, 
std::allocator<nux::Rect> > const&) () from /usr/lib/compiz/libunityshell.so
 ?? () from /usr/lib/compiz/libunityshell.so
 unity::glib::Source::SourceCallback(void*) () from 
/usr/lib/libunity-core-6.0.so.7
 g_main_dispatch (context=0x23c9170) at 
/build/buildd/glib2.0-2.37.93/./glib/gmain.c:3065
Title: compiz crashed with SIGSEGV in 
unity::ui::EdgeBarrierController::Impl::SetupBarriers()
UpgradeStatus: Upgraded to saucy on 2013-05-06 (139 days ago)
UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare 
src sudo

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash need-amd64-retrace saucy

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1228965

Title:
  compiz crashed with SIGSEGV in
  unity::ui::EdgeBarrierController::Impl::SetupBarriers()

Status in “unity” package in Ubuntu:
  New

Bug description:
  This crash happened when I disconnected my external monitor.

  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: 2.12.4-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  Date: Sun Sep 22 15:28:54 2013
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2010-09-24 (1094 days ago)
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 
(20100816.1)
  MarkForUpload: True
  ProcCmdline: compiz --sm-client-id 
10f36c25ff9ff47035137124123089641000000038000043
  SegvAnalysis:
   Segfault happened at: 0x478fc80:     addb   $0x0,(%rax)
   PC (0x0478fc80) in non-executable VMA region: 0x023b6000-0x049c7000 rw-p 
[heap]
   source "$0x0" ok
   destination "(%rax)" (0x03c93160) ok
  SegvReason: executing writable VMA [heap]
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? ()
   unity::ui::EdgeBarrierController::Impl::SetupBarriers(std::vector<nux::Rect, 
std::allocator<nux::Rect> > const&) () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
   unity::glib::Source::SourceCallback(void*) () from 
/usr/lib/libunity-core-6.0.so.7
   g_main_dispatch (context=0x23c9170) at 
/build/buildd/glib2.0-2.37.93/./glib/gmain.c:3065
  Title: compiz crashed with SIGSEGV in 
unity::ui::EdgeBarrierController::Impl::SetupBarriers()
  UpgradeStatus: Upgraded to saucy on 2013-05-06 (139 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev 
sambashare src sudo

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