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[Jonathan Thomas <Jonathan.Oomph@xxxxxxxxx>]

I have seen this same bug reported on Debian also, and I think it's
related to a bug in MLT and how MLT integrates with the newest version
of FFmpeg.   If you look at the MLT archives (scroll to the bottom), you
will see they are aware of some FFmpeg compilation problems:
http://sourceforge.net/mailarchive/forum.php?forum_name=mlt-
devel&max_rows=25&style=ultimate&viewmonth=201201.

I'm going to try and reproduce this error on the daily build of Ubuntu
12.04, and I'll post what I find.

Thanks!
-Jonathan

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https://bugs.launchpad.net/bugs/920101

Title:
  openshot crashed with SIGSEGV in mlt_properties_find()

Status in “openshot” package in Ubuntu:
  Invalid
Status in “openshot” package in Debian:
  New

Bug description:
  lsb_release -rd
  Description:	Ubuntu precise (development branch)
  Release:	12.04
  uname -a
  XXXXXX 3.2.0-10-generic-pae #17-Ubuntu SMP Thu Jan 19 20:56:14 UTC 2012 i686 i686 i386 GNU/Linux

  Since the last update openshot does not launch. I don't know why. I
  reinstalled openshot, but nothing changed.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: openshot 1.4.0-1
  ProcVersionSignature: Ubuntu 3.2.0-10.17-generic-pae 3.2.1
  Uname: Linux 3.2.0-10-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  Date: Sun Jan 22 18:45:37 2012
  ExecutablePath: /usr/bin/openshot
  InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha i386 (20111129.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/openshot
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0xb5f3a247:	mov    0x4(%eax),%edi
   PC (0xb5f3a247) ok
   source "0x4(%eax)" (0x00000004) not located in a known VMA region (needed readable region)!
   destination "%edi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: openshot
  StacktraceTop:
   ?? () from /usr/lib/libmlt.so.4
   mlt_properties_set () from /usr/lib/libmlt.so.4
   Mlt::Properties::set(char const*, char const*) () from /usr/lib/libmlt++.so.3
   ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
   ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
  Title: openshot crashed with SIGSEGV in mlt_properties_set()
  UpgradeStatus: Upgraded to precise on 2011-12-13 (40 days ago)
  UserGroups:

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