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[Timo Jyrinki <timo.jyrinki@xxxxxxxxxxxxx>]

Hey! I think I've found a good combination of patches for 14.04 LTS.

Could you people test the latest build ~trusty1~test7 on 14.04 LTS as
instructed in the comment #13, and give feedback? I tested it on my
machine and was able to produce video again.

So I first tried to include all of Iain's changes, but there is no
glimagesink on GStreamer 1.2. I then commented out the 0005 patch and
modified 0006 a bit, but that gives the "second window appears" problem.
Then this morning it occured to me to try xvimagesink instead of
glimagesink, and that seems to work. That's the only change from 14.10.

** Branch linked: lp:~timo-
jyrinki/ubuntu/trusty/pitivi/backport_utopic_fixes

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https://bugs.launchpad.net/bugs/1307746

Title:
  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:
  In Progress

Bug description:
  [Impact]

  Some users are unable to start Pitivi on 14.04 LTS, because of a
  crasher.

  [Test Case]

  Start pitivi on affected computer.

  [Regression Potential]

  The suggested patch that fixes the problem changes the load order in
  python, which seem fragile then. However at least testing on one
  computer that did not have the crash originally, the fix doesn't break
  anything either.

  ---

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

  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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