.
Thread 5 (process 8913):
#0  0x00007feec2a562e9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x0000000000473f9d in ?? ()
#2  0x00007feec3234d64 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007feec2a523ba in start_thread () from /lib/libpthread.so.0
#4  0x00007feec27bf0ad in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 4 (process 8929):
#0  0x00007feec2a5656d in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007feec36a1675 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00007feec31e78bb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007feec3236329 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007feec3234d64 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007feec2a523ba in start_thread () from /lib/libpthread.so.0
#6  0x00007feec27bf0ad in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 3 (process 8915):
#0  0x00007feec2a5656d in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007feec36a1675 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00007feec31e78bb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007feec3236329 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007feec3234d64 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007feec2a523ba in start_thread () from /lib/libpthread.so.0
#6  0x00007feec27bf0ad in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 2 (process 8937):
#0  0x00007feec2a5656d in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007feec36a1675 in ?? () from /usr/lib/libgthread-2.0.so.0
#2  0x00007feec31e78bb in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007feec3236329 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007feec3234d64 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007feec2a523ba in start_thread () from /lib/libpthread.so.0
#6  0x00007feec27bf0ad in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 1 (process 8908):
#0  0x000000000045bc0b in ?? ()
#1  0x000000000045f38f in brasero_burn_record ()
#2  0x0000000000441eae in brasero_burn_dialog_run ()
#3  0x00000000004c3315 in brasero_app_burn ()
#4  0x00000000004c3566 in brasero_app_burn_image ()
#5  0x000000000046afdc in ?? ()
#6  0x00007feec3ab52cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#7  0x00007feec3acc0b0 in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00007feec3acd7a9 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007feec3acdd13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#10 0x00007feec3ab52cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#11 0x00007feec3acc0b0 in ?? () from /usr/lib/libgobject-2.0.so.0
#12 0x00007feec3acd7a9 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#13 0x00007feec3acdd13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0x00007feec5e1103d in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007feec3ab52cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#16 0x00007feec3acb9de in ?? () from /usr/lib/libgobject-2.0.so.0
#17 0x00007feec3acd7a9 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#18 0x00007feec3acdd13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#19 0x00007feec5e10020 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007feec5ed0613 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007feec3ab52cd in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#22 0x00007feec3acbd94 in ?? () from /usr/lib/libgobject-2.0.so.0
#23 0x00007feec3acd658 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#24 0x00007feec3acdd13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#25 0x00007feec5feed4e in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007feec5ec77fd in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#27 0x00007feec5ec8adb in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#28 0x00007feec5b2516c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#29 0x00007feec320b30b in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#30 0x00007feec320eacd in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007feec320effd in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#32 0x00007feec5ec8f27 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#33 0x0000000000434801 in main ()