.
Thread 3 (Thread 5725):
#0  0x00007fab3490e5a9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007fab35cd2e78 in ?? () from /usr/lib/libbrasero-utils.so.0
#2  0x00007fab3146ec14 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007fab34909a04 in start_thread () from /lib/libpthread.so.0
#4  0x00007fab30f715fd in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 2 (Thread 5734):
#0  0x00007fab30f651b3 in poll () from /lib/libc.so.6
#1  0x00007fab3144923c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fab314498b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007fab30a50b00 in ?? () from /usr/lib/libORBit-2.so.0
#4  0x00007fab3146ec14 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007fab34909a04 in start_thread () from /lib/libpthread.so.0
#6  0x00007fab30f715fd in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 1 (Thread 5717):
#0  0x00007fab35f38c03 in ?? () from /usr/lib/libbrasero-burn.so.0
#1  0x00007fab318e367e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#2  0x00007fab318f9856 in ?? () from /usr/lib/libgobject-2.0.so.0
#3  0x00007fab318fac9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#4  0x00007fab318fb223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#5  0x00007fab318e367e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#6  0x00007fab318f9856 in ?? () from /usr/lib/libgobject-2.0.so.0
#7  0x00007fab318fac9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#8  0x00007fab318fb223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#9  0x00007fab361733af in brasero_drive_reprobe ()
   from /usr/lib/libbrasero-media.so.0
#10 0x00007fab35f0009b in ?? () from /usr/lib/libbrasero-burn.so.0
#11 0x00007fab35f0267d in ?? () from /usr/lib/libbrasero-burn.so.0
#12 0x00007fab35f02c3d in brasero_burn_record ()
   from /usr/lib/libbrasero-burn.so.0
#13 0x00007fab35f192ba in ?? () from /usr/lib/libbrasero-burn.so.0
#14 0x00007fab35f1a7d3 in ?? () from /usr/lib/libbrasero-burn.so.0
#15 0x00007fab35f1aeea in brasero_burn_dialog_run ()
   from /usr/lib/libbrasero-burn.so.0
#16 0x0000000000451c85 in brasero_app_burn ()
#17 0x0000000000431018 in brasero_project_burn ()
#18 0x00007fab318e367e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#19 0x00007fab318f9856 in ?? () from /usr/lib/libgobject-2.0.so.0
#20 0x00007fab318fac9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#21 0x00007fab318fb223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#22 0x00007fab337b1375 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#23 0x00007fab318e367e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#24 0x00007fab318f9165 in ?? () from /usr/lib/libgobject-2.0.so.0
#25 0x00007fab318fac9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#26 0x00007fab318fb223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#27 0x00007fab337afbc7 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#28 0x00007fab33876c03 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#29 0x00007fab318e367e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#30 0x00007fab318f9528 in ?? () from /usr/lib/libgobject-2.0.so.0
#31 0x00007fab318fab5e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#32 0x00007fab318fb223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#33 0x00007fab339977ff in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#34 0x00007fab3386dac4 in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#35 0x00007fab3386ebe3 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#36 0x00007fab334c2e7c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#37 0x00007fab31445a8e in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#38 0x00007fab31449458 in ?? () from /usr/lib/libglib-2.0.so.0
#39 0x00007fab314498b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#40 0x00007fab3386f117 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#41 0x00000000004502a4 in brasero_app_run_mainwin ()
#42 0x0000000000420194 in main ()