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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1292750

Title:
  compiz crashed with SIGSEGV in
  unity::MT::GrabHandleGroup::forEachHandle()

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

Bug description:
  I was adjusting compiz settings using ccsm

  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 x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: Unity
  Date: Fri Mar 14 20:20:45 2014
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2014-03-14 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140313)
  ProcCmdline: compiz
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f3516b4fdfa:	mov    (%rax),%rdi
   PC (0x7f3516b4fdfa) ok
   source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rdi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? () from /usr/lib/compiz/libunitymtgrabhandles.so
   unity::MT::GrabHandleGroup::forEachHandle(std::function<void (std::shared_ptr<unity::MT::GrabHandle> const&)> const&) () from /usr/lib/compiz/libunitymtgrabhandles.so
   UnityMTGrabHandlesWindow::restackHandles() () from /usr/lib/compiz/libunitymtgrabhandles.so
   UnityMTGrabHandlesScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunitymtgrabhandles.so
   CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20140123
  Title: compiz crashed with SIGSEGV in unity::MT::GrabHandleGroup::forEachHandle()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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