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

** Changed in: unity
    Milestone: 7.2.0 => 7.2.1

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https://bugs.launchpad.net/bugs/942601

Title:
  compiz crashed with SIGSEGV in unity::MT::GrabHandle::reposition()
  from operator() from unity::MT::GrabHandleGroup::forEachHandle() from
  UnityMTGrabHandlesWindow::restackHandles

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

Bug description:
  Unity crash after enable wobby window in ccsm

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: unity 5.4.0-0ubuntu2
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  ApportVersion: 1.93-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Feb 28 21:17:22 2012
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
  ProcCmdline: compiz
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f465afeb524 <_ZN5unity2MT10GrabHandle10repositionEiij+36>:	mov    0x48(%rdi),%rdi
   PC (0x7f465afeb524) ok
   source "0x48(%rdi)" (0x6666655f6e6570b7) not located in a known VMA region (needed readable region)!
   destination "%rdi" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   unity::MT::GrabHandle::reposition(int, int, unsigned int) () from /usr/lib/compiz/libunitymtgrabhandles.so
   unity::MT::GrabHandleGroup::forEachHandle(std::function<void (boost::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-20120216
  Title: compiz crashed with SIGSEGV in unity::MT::GrabHandle::reposition()
  UpgradeStatus: Upgraded to precise on 2012-02-25 (3 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers

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