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

The GDB retrace of Unity indicates a crash in the 3D video driver,
probably due to poor power management capabilities in the driver itself.
That, and the symptoms described in the Bug Description, are not related
to unity-panel-service which is a separate process from unity.

There is still a crash in unity-panel-service to be investigated here.

** Tags added: unity-panel-service

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https://bugs.launchpad.net/bugs/1024871

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

Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  Unity is gone. No launcher, no menues.

  i did:

  - supend laptop (laptop was attached to docking station)
  - power on laoptop
  - press docking station button to detach laptop
  - detach laptop

  
  Now i started ubuntu --advanced-debug from tty1. Attached is the output of gdb. I can reproduce the issue. i switch to tty1, start the program in gdb with "run" and the all seems to work. When i switch bach to X (ctrl+alt+7), my program windows disappear and come back. then back to tty1 i have the crash output.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: unity-services 6.0.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
  Uname: Linux 3.5.0-4-generic i686
  ApportVersion: 2.3-0ubuntu4
  Architecture: i386
  CrashCounter: 1
  Date: Sat Jul 14 16:05:26 2012
  ExecutablePath: /usr/lib/unity/unity-panel-service
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423.2)
  ProcCmdline: /usr/lib/unity/unity-panel-service
  SegvAnalysis: Failure: Unknown offset literal: [edx]
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? ()
   atk_object_get_n_accessible_children () from /usr/lib/i386-linux-gnu/libatk-1.0.so.0
   ?? () from /usr/lib/i386-linux-gnu/libatk-bridge-2.0.so.0
   g_idle_dispatch (source=source@entry=0x9822d68, callback=0xb69a6e40, user_data=0x8e5a2e0) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:4657
   g_main_dispatch (context=0x8cdb668) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539
  Title: unity-panel-service crashed with SIGSEGV in atk_object_get_n_accessible_children()
  UpgradeStatus: Upgraded to quantal on 2012-06-23 (21 days ago)
  UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo vboxusers

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