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[Launchpad Bug Tracker <984004@xxxxxxxxxxxxxxxxxx>]

[Expired for unity (Ubuntu) because there has been no activity for 60
days.]

** Changed in: unity (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/984004

Title:
  compiz crashed with SIGSEGV in
  unity::dash::ResultViewGrid::OnKeyNavFocusChange() from
  sigc::internal::signal_emit3 from
  nux::WindowCompositor::SetKeyFocusArea()

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

Bug description:
  I clicked the "Unity" icon on the launcher, then the Applications icon
  at the bottom. I clicked on "Filter results" then on "Accessibility".
  I then clicked "Customization" and again on "Accessibility" to
  unselect it, then when I clicked on "nn more results" nothing
  happened, but shortly after that, Compiz crashed.

  The package name that apport initially gave for this was 'nux', but I
  think this is a Unity bug since the SEGV happens inside a unity::dash
  method.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: libnux-2.0-0 2.10.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-8001.1~ppa1-generic-tuxonice 3.2.5
  Uname: Linux 3.2.0-8001-generic-tuxonice x86_64
  ApportVersion: 2.0.1-0ubuntu4
  Architecture: amd64
  Date: Tue Apr 17 07:49:23 2012
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110301.7)
  ProcCmdline: compiz
  ProcCwd: /home/karlheg
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=en_US.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7fe97c0035ce:	mov    0x8(%rsi),%rax
   PC (0x7fe97c0035ce) ok
   source "0x8(%rsi)" (0x0000000a) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: nux
  StacktraceTop:
   ?? () from /usr/lib/compiz/libunityshell.so
   unity::dash::ResultViewGrid::OnKeyNavFocusChange(nux::Area*, bool, nux::KeyNavDirection) () from /usr/lib/compiz/libunityshell.so
   sigc::internal::signal_emit3<void, nux::Area*, bool, nux::KeyNavDirection, sigc::nil>::emit(sigc::internal::signal_impl*, nux::Area* const&, bool const&, nux::KeyNavDirection const&) () from /usr/lib/libnux-2.0.so.0
   nux::WindowCompositor::SetKeyFocusArea(nux::InputArea*, nux::KeyNavDirection) () from /usr/lib/libnux-2.0.so.0
   unity::dash::ResultViewGrid::MouseMove(int, int, int, int, unsigned long, unsigned long) () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in unity::dash::ResultViewGrid::OnKeyNavFocusChange()
  UpgradeStatus: Upgraded to precise on 2012-01-14 (93 days ago)
  UserGroups: adm admin audio cdrom dialout dip fax floppy fprint fuse libvirtd lp lpadmin netdev pkcs11 plugdev sambashare sbuild src tape vboxusers video

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