. Thread 3 (Thread 15189): #0 0x00007ffab12ef85c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 No symbol table info available. #1 0x00007ffab2ce1d2f in ?? () from /usr/lib/libbrasero-utils.so.0 No symbol table info available. #2 0x00007ffaadc6bb84 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #3 0x00007ffab12ea9ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #4 0x00007ffaad75f6dd in clone () from /lib/libc.so.6 No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 15188): #0 0x00007ffaad752f93 in poll () from /lib/libc.so.6 No symbol table info available. #1 0x00007ffaa2c8d41f in ?? () from /usr/lib/libpulse.so.0 No symbol table info available. #2 0x00007ffaa2c7cd86 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 No symbol table info available. #3 0x00007ffaa2c7e809 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 No symbol table info available. #4 0x00007ffaa2c7e8c0 in pa_mainloop_run () from /usr/lib/libpulse.so.0 No symbol table info available. #5 0x00007ffaa2c8d21b in ?? () from /usr/lib/libpulse.so.0 No symbol table info available. #6 0x00007ffaa28450e8 in ?? () from /usr/lib/libpulsecommon-0.9.21.so No symbol table info available. #7 0x00007ffab12ea9ca in start_thread () from /lib/libpthread.so.0 No symbol table info available. #8 0x00007ffaad75f6dd in clone () from /lib/libc.so.6 No symbol table info available. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 15175): #0 0x00007ffab2f4b65e in brasero_data_project_remove_node () from /usr/lib/libbrasero-burn.so.0 No symbol table info available. #1 0x00007ffab2f54334 in brasero_track_data_cfg_remove () from /usr/lib/libbrasero-burn.so.0 No symbol table info available. #2 0x0000000000442b78 in ?? () No symbol table info available. #3 0x0000000000442cc0 in ?? () No symbol table info available. #4 0x00007ffab04720b8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #5 0x00007ffaae4ff5de in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #6 0x00007ffaae513598 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #7 0x00007ffaae5148b9 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #8 0x00007ffaae515033 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #9 0x00007ffab0588e9f in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #10 0x00007ffab05993bb in gtk_window_propagate_key_event () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #11 0x00007ffab05993f9 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #12 0x00007ffab04720b8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #13 0x00007ffaae4ff5de in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #14 0x00007ffaae5131dd in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #15 0x00007ffaae5148b9 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #16 0x00007ffaae515033 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #17 0x00007ffab0588e9f in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #18 0x00007ffab046a654 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #19 0x00007ffab046b65b in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #20 0x00007ffab00df80c in ?? () from /usr/lib/libgdk-x11-2.0.so.0 No symbol table info available. #21 0x00007ffaadc428c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #22 0x00007ffaadc46748 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #23 0x00007ffaadc46c55 in g_main_loop_run () from /lib/libglib-2.0.so.0 No symbol table info available. #24 0x00007ffab046baf7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #25 0x000000000044b894 in brasero_app_run_mainwin () No symbol table info available. #26 0x00000000004217ec in main () No symbol table info available.