Thanks for your bug report. Please try to obtain a backtrace <http://wiki.ubuntu.com/DebuggingProgramCrash> <https://wiki.ubuntu.com/Backtrace>and attach the file to the bug report,a valgrind would also be perfect <https://wiki.ubuntu.com/Valgrind>. This will greatly help us in tracking down your problem.
Thanks for your bug report. Please try to obtain a backtrace <http:// wiki.ubuntu. com/DebuggingPr ogramCrash> <https:/ /wiki.ubuntu. com/Backtrace>and attach the file to the bug report,a valgrind would also be perfect <https:/ /wiki.ubuntu. com/Valgrind>. This will greatly help us in tracking down your problem.