.
Thread 2 (Thread 1640):
#0  0x00007f85d44eb003 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f85d4a23180 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f85d4a23a5a in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f85d419bc74 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f85d4a4a394 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f85d0bb5373 in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#6  0x00007f85d3a5ed8c in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0x00007f85d44f817d in clone () from /lib/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 1636):
#0  0x00000000004127d4 in event_filter_func ()
No symbol table info available.
#1  0x00007f85d5d967e6 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#2  0x00007f85d5d98438 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#3  0x00007f85d5d984de in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#4  0x00007f85d4a23a5a in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f85d6124827 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#6  0x0000000000409862 in main ()
No symbol table info available.