. Thread 4 (Thread 0x7f77c2a02700 (LWP 3611)): #0 0x00007f77cfb53bc4 in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f77cfb4f1c5 in _L_lock_883 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #2 0x00007f77cfb4f01a in pthread_mutex_lock () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #3 0x00007f77d0986432 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f77d099a18d in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #5 0x00007f77d099a303 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #6 0x00007f77d01c8b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0x00007f77d01c9348 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007f77d01c9882 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007f77d09989a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #10 0x00007f77d01ee616 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007f77cfb4cedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #12 0x00007f77cf88789d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #13 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 0x7f77ab7fe700 (LWP 3745)): #0 0x00007f77cf87b773 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f77c1954e4f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 No symbol table info available. #2 0x00007f77c194627c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 No symbol table info available. #3 0x00007f77c19468e9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 No symbol table info available. #4 0x00007f77c19469a0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 No symbol table info available. #5 0x00007f77c1954dff in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 No symbol table info available. #6 0x00007f77b1db6008 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-0.99.so No symbol table info available. #7 0x00007f77cfb4cedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #8 0x00007f77cf88789d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f77c15e3700 (LWP 3613)): #0 0x00007f77d0990240 in g_dbus_message_to_blob () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #1 0x00007f77d0984a96 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #2 0x00007f77d09859e8 in g_dbus_connection_send_message_with_reply () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #3 0x00007f77d0985e6b in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f77d098b9f9 in g_dbus_connection_call () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #5 0x00007f77c15e8d97 in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #6 0x00007f77c15e8f8b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #7 0x00007f77d01c8b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007f77d01c9348 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007f77d01c9882 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007f77c15e89cb in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #11 0x00007f77d01ee616 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #12 0x00007f77cfb4cedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #13 0x00007f77cf88789d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #14 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f77d31879c0 (LWP 3610)): #0 0x000000000045149c in ?? () No symbol table info available. #1 0x00007f77d09754b2 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #2 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #3 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007f77d0974eb1 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #7 0x00007f77ca39aa14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #8 0x00007f77ca39a435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6 No symbol table info available. #9 0x00007f77d068e717 in g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #10 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #11 0x00007f77d06a1334 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #12 0x00007f77d06aa9a6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #13 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #14 0x00007f77d0975c9e in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #15 0x00007f77d0971dea in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #16 0x00007f77d01cb075 in g_main_context_invoke_full () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #17 0x00007f77d0971efc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #18 0x00007f77d09724b1 in g_settings_backend_changed () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #19 0x00007f77c15e97bb in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #20 0x00007f77d0975639 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #21 0x00007f77d09757a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #22 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #23 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #24 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #25 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #26 0x00007f77d0691427 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #27 0x00007f77d0696f9c in g_object_set_property () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #28 0x00007f77d09754cd in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #29 0x00007f77d09784cf in g_settings_bind_with_mapping () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #30 0x00000000004512f9 in ?? () No symbol table info available. #31 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #32 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #33 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #34 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #35 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #36 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #37 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #38 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #39 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #40 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #41 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #42 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #43 0x00007f77d2d97799 in ?? () from /usr/lib/libbrasero-media3.so.1 No symbol table info available. #44 0x00007f77d01c8b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #45 0x00007f77d01c9348 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #46 0x00007f77d01c9882 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #47 0x00007f77d2b1c3e8 in ?? () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #48 0x00007f77d2b1cc9a in ?? () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #49 0x00007f77d2b1ecc0 in ?? () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #50 0x00007f77d2b1fb9a in brasero_burn_record () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #51 0x00007f77d2b38c83 in ?? () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #52 0x00007f77d2b3a329 in brasero_burn_dialog_run () from /usr/lib/libbrasero-burn3.so.1 No symbol table info available. #53 0x000000000044686e in brasero_app_burn () No symbol table info available. #54 0x0000000000446a59 in ?? () No symbol table info available. #55 0x0000000000446bfe in brasero_app_image () No symbol table info available. #56 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #57 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #58 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #59 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #60 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #61 0x00007f77d06a14fb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #62 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #63 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #64 0x00007f77d1be0b8d in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #65 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #66 0x00007f77d06a0cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #67 0x00007f77d06aab17 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #68 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #69 0x00007f77d1bdf867 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #70 0x00007f77d1cb2803 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #71 0x00007f77d068e254 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #72 0x00007f77d06a1334 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #73 0x00007f77d06aa9a6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #74 0x00007f77d06aace2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #75 0x00007f77d1dfaf49 in ?? () from /usr/lib/libgtk-3.so.0 No symbol table info available. #76 0x00007f77d1cb1faa in gtk_propagate_event () from /usr/lib/libgtk-3.so.0 No symbol table info available. #77 0x00007f77d1cb23bb in gtk_main_do_event () from /usr/lib/libgtk-3.so.0 No symbol table info available. #78 0x00007f77d190ba32 in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #79 0x00007f77d01c8b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #80 0x00007f77d01c9348 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #81 0x00007f77d01c9882 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #82 0x00007f77d1cb178d in gtk_main () from /usr/lib/libgtk-3.so.0 No symbol table info available. #83 0x0000000000448665 in brasero_app_run_mainwin () No symbol table info available. #84 0x000000000041c74f in main () No symbol table info available.