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[Bug 1307746] Re: [SRU] pitivi crashed with SIGSEGV in __GI___pthread_mutex_lock()


On a clean 14.04.1 I have successfully installed and run pitivi
0.93-3ubuntu0.1 from trusty-proposed. As regards whether the crash bug
is fixed, I refer to my previous test with the version from Timo's PPA
(comment #18). (Like Leo I have upgraded the 14.04 installation where
pitivi crashed to 14.10.)

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  [SRU] pitivi crashed with SIGSEGV in __GI___pthread_mutex_lock()

Status in PiTiVi , Non-linear video editor:
  Fix Released
Status in “pitivi” package in Ubuntu:
  Fix Released
Status in “pitivi” source package in Trusty:
  Fix Committed

Bug description:

  Some users, mostly users who have installed more software like eg.
  GStreamer codecs needed for common formats, are unable to start Pitivi
  on 14.04 LTS, because of a crasher.

  [Test Case]

  Start pitivi on affected computer.

  [Regression Potential]

  The original single patch fixed the issue but caused another window to
  pop up behind the Pitivi window, which was a regression for fresh
  install users. The new patch set both fixes the crasher and improves
  the overall Pitivi usage like timeline drawing without regressions.


  I just upgraded to Kubuntu 14.04 (Trusty) yesterday, and pitivi
  stopped working. It segfaults immediately, with the following stdout

  lmilano@grisell:crash$ pitivi
  Missing soft dependency:
  - pycanberra not found on the system
      -> enables sound notifications when rendering is complete
  Segmentation fault (core dumped)

  Apport is not popping up, even if I launch pitivi from the main menu
  in KDE. But it did, just once, and it dumped a report in /var/crash -
  I will try to upload that file manually.

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