in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()
(gdb) thread 6
[Switching to thread 6 (Thread 0x7f476833d910 (LWP 13960))]#0  0x00007f4775a14ed3 in poll () from /lib/libc.so.6
(gdb) bt
#0  0x00007f4775a14ed3 in poll () from /lib/libc.so.6
#1  0x00007f476d528979 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f476d52910d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#3  0x00007f477117f527 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#4  0x00007f47716ca25e in gtkui_thread () from /usr/lib64/deadbeef/gtkui.so
#5  0x00007f476ea559a3 in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#6  0x00007f4775cad644 in start_thread () from /lib/libpthread.so.0
#7  0x00007f4775a1da9d in clone () from /lib/libc.so.6
#8  0x0000000000000000 in ?? ()
(gdb) thread 7
[Switching to thread 7 (Thread 0x7f4768b3e910 (LWP 13959))]#0  0x00007f4775cb1fd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
(gdb) bt
#0  0x00007f4775cb1fd9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x000000000040f6db in ?? ()
#2  0x00007f477497a650 in ?? () from /usr/lib64/deadbeef/artwork.so
#3  0x00007f476ea559a3 in ?? () from //usr/lib64/opengl/nvidia/lib/libGL.so.1
#4  0x00007f4775cad644 in start_thread () from /lib/libpthread.so.0
#5  0x00007f4775a1da9d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()
(gdb) thread 8
Thread ID 8 not known.