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** Attachment added: "StacktraceSource.txt"
   https://bugs.launchpad.net/bugs/1295981/+attachment/4037011/+files/StacktraceSource.txt

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https://bugs.launchpad.net/bugs/1295981

Title:
  unity-panel-service crashed with SIGSEGV in
  gtk_menu_tracker_remove_items()

Status in “unity” package in Ubuntu:
  New

Bug description:
  1. get an app to stop responding  (ie the window gets dimmed)
  2. wait for it to recover
  3. notice that it has no menus now (is there a bug somewhere for that?)
  4. close the app
  5. crash

  (Note: I think this is chain of events, I haven't been able to
  reproduce)

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity-services 7.1.2+14.04.20140320.1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Sat Mar 22 19:09:26 2014
  ExecutablePath: /usr/lib/unity/unity-panel-service
  InstallationDate: Installed on 2013-06-22 (273 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130621)
  ProcCmdline: /usr/lib/unity/unity-panel-service
  ProcEnviron:
   PATH=(custom, no user)
   LANGUAGE=en_AU:en
   XDG_RUNTIME_DIR=<set>
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7ff2bf1b3ffc:	mov    (%rdi),%rbx
   PC (0x7ff2bf1b3ffc) ok
   source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
   ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
   g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: unity-panel-service crashed with SIGSEGV in ffi_call_unix64()
  UpgradeStatus: Upgraded to trusty on 2013-12-05 (106 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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