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[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

** Changed in: unity (Ubuntu)
   Importance: Undecided => Critical

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1182742/+attachment/3683563/+files/CoreDump.gz

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1182742

Title:
  compiz crashed with SIGSEGV in std::_Rb_tree<unsigned long,
  std::pair<unsigned long const, CompWindow*>,
  std::_Select1st<std::pair<unsigned long const, CompWindow*> >,
  std::less<unsigned long>, std::allocator<std::pair<unsigned long
  const, CompWindow*> > >::find()

Status in “unity” package in Ubuntu:
  New

Bug description:
  I don't know the cause of this crash, but after restarting compiz by
  hand it crashed again several times before I was finally able to get
  my session back on its feet.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.10
  Package: unity 7.0.0daily13.04.18~13.04-0ubuntu1
  ProcVersionSignature: Ubuntu 3.9.0-2.6-generic 3.9.2
  Uname: Linux 3.9.0-2-generic x86_64
  ApportVersion: 2.10.1-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  Date: Tue May 21 21:52:41 2013
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2010-09-24 (970 days ago)
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  MarkForUpload: True
  ProcCmdline: compiz --sm-client-id 1094a19fdf1aaee48f136505634181450900000038250047
  SegvAnalysis:
   Segfault happened at: 0x7f85171b7b54 <_ZNKSt8_Rb_treeImSt4pairIKmP10CompWindowESt10_Select1stIS4_ESt4lessImESaIS4_EE4findERS1_+36>:	cmp    %rcx,0x20(%rdx)
   PC (0x7f85171b7b54) ok
   source "%rcx" ok
   destination "0x20(%rdx)" (0x8000000000000020) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   std::_Rb_tree<unsigned long, std::pair<unsigned long const, CompWindow*>, std::_Select1st<std::pair<unsigned long const, CompWindow*> >, std::less<unsigned long>, std::allocator<std::pair<unsigned long const, CompWindow*> > >::find(unsigned long const&) const () from /usr/lib/libcompiz_core.so.ABI-20130125
   compiz::private_screen::WindowManager::findWindow(unsigned long) const () from /usr/lib/libcompiz_core.so.ABI-20130125
   PrivateCompositeScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libcomposite.so
   CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20130125
   PrivateGLScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libopengl.so
  Title: compiz crashed with SIGSEGV in std::_Rb_tree<unsigned long, std::pair<unsigned long const, CompWindow*>, std::_Select1st<std::pair<unsigned long const, CompWindow*> >, std::less<unsigned long>, std::allocator<std::pair<unsigned long const, CompWindow*> > >::find()
  UpgradeStatus: Upgraded to saucy on 2013-05-06 (15 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare src sudo

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