.
Thread 2 (Thread 25818):
#0  0x00007fd297559239 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007fd292650f50 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fd292651304 in g_async_queue_pop () from /usr/lib/libglib-2.0.so.0
#3  0x00007fd2980757c5 in ?? () from /usr/lib/librhythmbox-core.so.0
#4  0x00007fd29269ec14 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007fd2975553aa in start_thread () from /lib/libpthread.so.0
#6  0x00007fd291f6ff6d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 1 (Thread 25812):
#0  0x00007fd29807d59c in rhythmdb_query_concatenate ()
   from /usr/lib/librhythmbox-core.so.0
#1  0x00007fd29807cc8e in rhythmdb_query_copy ()
   from /usr/lib/librhythmbox-core.so.0
#2  0x00007fd29807ce5e in rhythmdb_query_parse_valist ()
   from /usr/lib/librhythmbox-core.so.0
#3  0x00007fd29807d11a in rhythmdb_query_append ()
   from /usr/lib/librhythmbox-core.so.0
#4  0x0000000000449951 in ?? ()
#5  0x000000000044b8db in ?? ()
#6  0x00007fd29326d67e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#7  0x00007fd293283856 in ?? () from /usr/lib/libgobject-2.0.so.0
#8  0x00007fd293284c9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#9  0x00007fd293285223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#10 0x00007fd298060fa4 in ?? () from /usr/lib/librhythmbox-core.so.0
#11 0x00007fd29326d67e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#12 0x00007fd293283856 in ?? () from /usr/lib/libgobject-2.0.so.0
#13 0x00007fd293284c9e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#14 0x00007fd293285223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0x00007fd295a5a256 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x00007fd295a5a994 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x00007fd2980a68e6 in ?? () from /usr/lib/librhythmbox-core.so.0
#18 0x00007fd29594abe3 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x00007fd29326d67e in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#20 0x00007fd293283856 in ?? () from /usr/lib/libgobject-2.0.so.0
#21 0x00007fd293284b5e in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#22 0x00007fd293285223 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#23 0x00007fd295a6b6cf in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#24 0x00007fd295941aa4 in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00007fd295942bc3 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007fd29559706c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#27 0x00007fd292675a8e in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#28 0x00007fd292679458 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007fd2926798b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#30 0x00007fd2959430f7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x0000000000422cc5 in main ()