Comment 12 for bug 1195050

I read in the forums how to run gdb.
Here is what is on the console and a bt:
New Thread 0x7fffbf015700 (LWP 13739)]
[New Thread 0x7fffa52ef700 (LWP 13740)]
[mp2 @ 0x7fff942ce9a0] Channel layout not specified
[h264 @ 0x7fff942c6c20] Encoder did not produce proper pts, making some up.
[New Thread 0x7fff9f7fe700 (LWP 13742)]
WARNING: QApplication was not created in the main() thread.
sys:1: Warning: g_main_context_push_thread_default: assertion `acquired_context' failed

Program received signal SIGSEGV, Segmentation fault.
0x00007fffd38c1a43 in x11EventSourceCheck (s=0x7fffb4068200) at kernel/qguieventdispatcher_glib.cpp:85
85 kernel/qguieventdispatcher_glib.cpp: No such file or directory.
(gdb) bt
#0 0x00007fffd38c1a43 in x11EventSourceCheck (s=0x7fffb4068200) at kernel/qguieventdispatcher_glib.cpp:85
#1 0x00007ffff66b819b in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2 0x00007ffff66b8622 in ?? () from /usr/lib64/libglib-2.0.so.0
#3 0x00007ffff66b8ae2 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#4 0x00007ffff45740d7 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0
#5 0x00007ffff4c1d508 in ?? () from /usr/lib64/python2.7/site-packages/gtk-2.0/gtk/_gtk.so
#6 0x00007ffff7aef6aa in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#7 0x00007ffff7af235d in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#8 0x00007ffff7af235d in PyEval_EvalFrameEx () from /usr/lib64/libpython2.7.so.1.0
#9 0x00007ffff7af55e3 in PyEval_EvalCodeEx () from /usr/lib64/libpython2.7.so.1.0
#10 0x00007ffff7b238a2 in PyEval_EvalCode () from /usr/lib64/libpython2.7.so.1.0
#11 0x00007ffff7b30d81 in ?? () from /usr/lib64/libpython2.7.so.1.0
#12 0x00007ffff7b31146 in PyRun_FileExFlags () from /usr/lib64/libpython2.7.so.1.0
#13 0x00007ffff7b31a1d in PyRun_SimpleFileExFlags () from /usr/lib64/libpython2.7.so.1.0
#14 0x00007ffff7b3b26d in Py_Main () from /usr/lib64/libpython2.7.so.1.0
#15 0x00007ffff749d455 in __libc_start_main () from /lib64/libc.so.6
#16 0x0000000000400761 in _start ()
(gdb)