.
Thread 3 (Thread 5437):
#0  0x00007f97a32a482d in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
No symbol table info available.
#1  0x00007f97a2c6c602 in ?? () from /usr/lib/libgthread-2.0.so.0
No symbol table info available.
#2  0x00007f97a17a90bf in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f97a17a91cf in g_async_queue_timed_pop ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f97a17f80b0 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f97a17f6b44 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f97a329fa04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0x00007f97a15027bd in clone () from /lib/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 5430):
#0  0x00007f97a14f6373 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f97a17d137c in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f97a17d19f5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f97a279a177 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#4  0x000000000041431d in main ()
No symbol table info available.
.
Thread 1 (Thread 5440):
#0  0x00007f97a2e80867 in ?? () from /usr/lib/libbrasero-media.so.0
No symbol table info available.
#1  0x00007f97a2e821f9 in ?? () from /usr/lib/libbrasero-media.so.0
No symbol table info available.
#2  0x00007f97a2e82510 in ?? () from /usr/lib/libbrasero-media.so.0
No symbol table info available.
#3  0x00007f97a17f6b44 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f97a329fa04 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5  0x00007f97a15027bd in clone () from /lib/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.