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[Bug 1339610] Re: unity8 crashed with SIGSEGV in mir::frontend::ClientBufferTracker::client_has()

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>
Date: Mon, 21 Jul 2014 01:58:47 -0000
Reply-to: Bug 1339610 <1339610@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: mir
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1339610

Title:
  unity8 crashed with SIGSEGV in
  mir::frontend::ClientBufferTracker::client_has()

Status in Mir:
  Incomplete
Status in “mir” package in Ubuntu:
  Invalid
Status in “unity8” package in Ubuntu:
  New

Bug description:
  This happened during UITK autopilot tests in smoketesting of image
  #121:

  http://ci.ubuntu.com/smokeng/utopic/touch/mako/121:20140709:20140709/8946/ubuntuuitoolkit/

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: unity8 7.90+14.10.20140707-0ubuntu1
  Uname: Linux 3.4.0-5-mako armv7l
  ApportVersion: 2.14.4-0ubuntu1
  Architecture: armhf
  CurrentDesktop: Unity
  Date: Wed Jul  9 05:45:03 2014
  ExecutablePath: /usr/bin/unity8
  ExecutableTimestamp: 1404736464
  InstallationDate: Installed on 2014-07-09 (0 days ago)
  InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140709-020204)
  ProcCmdline: unity8
  ProcCwd: /home/phablet
  Signal: 11
  SourcePackage: unity8
  StacktraceTop:
   mir::frontend::ClientBufferTracker::client_has(mir::graphics::BufferID const&) const () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.22
   ?? () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.22
   mir::compositor::BufferQueue::give_buffer_to_client(mir::graphics::Buffer*, std::unique_lock<std::mutex>) () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.22
   mir::compositor::BufferQueue::release(mir::graphics::Buffer*, std::unique_lock<std::mutex>) () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.22
   mir::compositor::BufferQueue::compositor_release(std::shared_ptr<mir::graphics::Buffer> const&) () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.22
  Title: unity8 crashed with SIGSEGV in mir::frontend::ClientBufferTracker::client_has()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm autopilot cdrom dialout dip nopasswdlogin plugdev sudo tty video

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