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[Launchpad Bug Tracker <1293242@xxxxxxxxxxxxxxxxxx>]

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/1293242

Title:
  compiz crashed with SIGSEGV in ScaleScreen::getWindows()

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

Bug description:
  Unity se cerró luego de utilizar la utilidad ''Unity Tweak Tool''
  especificamente al activar la opción ''Despliegue de ventanas''

  Sistema actualizado, he debido reiniciar el equipo.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140313-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic i686
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: i386
  CurrentDesktop: Unity
  Date: Sun Mar 16 17:58:29 2014
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2014-02-27 (17 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20140224)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0xb177dc54 <_ZNK11ScaleScreen10getWindowsEv+4>:	mov    0x24(%eax),%eax
   PC (0xb177dc54) ok
   source "0x24(%eax)" (0x00000024) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ScaleScreen::getWindows() const () from /usr/lib/compiz/libscale.so
   unity::UnityScreen::OnInitiateSpread() () from /usr/lib/compiz/libunityshell.so
   sigc::internal::slot_call0<sigc::bound_mem_functor0<void, unity::UnityScreen>, void>::call_it(sigc::internal::slot_rep*) () 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::OnScreenGrabbed() () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in ScaleScreen::getWindows()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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