Thanks for your bug report. Please try to obtain a backtrace
http://wiki.ubuntu.com/DebuggingProgramCrash and attach the file to the
bug report. This will greatly help us in tracking down your problem.
** Attachment removed: CoreDump.gz
** Attachment added: CoreDump.gz
https://bugs.launchpad.net/bugs/645646/+attachment/1624952/+files/CoreDump.gz
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/645646/+attachment/1624953/+files/Dependencies.txt
** Attachment added: Disassembly.txt