.
Thread 3 (process 5894):
#0  0x00007f2e38b045cb in read () from /lib/libpthread.so.0
#1  0x00007f2e38d4b33d in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f2e38d70444 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f2e38afd3f7 in start_thread () from /lib/libpthread.so.0
#4  0x00007f2e3886c95d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 2 (process 5979):
#0  0x00007f2e38863aa6 in poll () from /lib/libc.so.6
#1  0x00007f2e2ffc63df in ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so
#2  0x00007f2e30a92ef9 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#3  0x00007f2e38d72047 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f2e38d70444 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0x00007f2e38afd3f7 in start_thread () from /lib/libpthread.so.0
#6  0x00007f2e3886c95d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()
.
Thread 1 (process 5885):
#0  0x00007f2e38d389f0 in g_datalist_id_set_data_full ()
   from /usr/lib/libglib-2.0.so.0
#1  0x00007f2e38fdf86f in ?? () from /usr/lib/libgobject-2.0.so.0
#2  0x00007f2e38fdfa9f in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#3  0x00007f2e30ce7fa0 in ?? ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#4  0x00007f2e30ce89eb in ?? ()
   from /usr/lib/gnome-settings-daemon-2.0/libmedia-keys.so
#5  0x00007f2e3c9d115c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#6  0x00007f2e3c9d2a7d in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#7  0x00007f2e3c9d4152 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#8  0x00007f2e3c9d456e in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#9  0x00007f2e38d4a3b4 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#10 0x00007f2e38d4d6c5 in ?? () from /usr/lib/libglib-2.0.so.0
#11 0x00007f2e38d4d9e5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#12 0x00007f2e3cd6ad63 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x00000000004035a9 in main ()