.
Thread 2 (process 24403):
#0  0xb7f9d430 in __kernel_vsyscall ()
#1  0xb73e1a77 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb6dc5844 in ?? () from /usr/lib/gstreamer-0.10/libgstalsa.so
#3  0xb7770593 in ?? () from /usr/lib/libgstreamer-0.10.so.0
#4  0xb75181f6 in ?? () from /usr/lib/libglib-2.0.so.0
#5  0xb7516b5f in ?? () from /usr/lib/libglib-2.0.so.0
#6  0xb74704ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb73ec3fe in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 24401):
#0  0xb7379512 in free () from /lib/tls/i686/cmov/libc.so.6
#1  0xb74f42c6 in g_free () from /usr/lib/libglib-2.0.so.0
#2  0x0804dc65 in ?? ()
#3  0xb76d3ba4 in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#4  0xb76c5c9b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#5  0xb76dd685 in ?? () from /usr/lib/libgobject-2.0.so.0
#6  0xb76ded9e in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#7  0xb76df246 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#8  0xb7f24e2f in ?? () from /usr/lib/libxfce4panel.so.1
#9  0xb7f22a80 in ?? () from /usr/lib/libxfce4panel.so.1
#10 0xb7c26e02 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#11 0xb76c5c9b in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#12 0xb76dd685 in ?? () from /usr/lib/libgobject-2.0.so.0
#13 0xb76dec4b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#14 0xb76df246 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0xb7d5b1ee in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7c1ff47 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#17 0xb7a7c71a in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#18 0xb74ebbf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0xb74ef2a3 in ?? () from /usr/lib/libglib-2.0.so.0
#20 0xb74ef7c2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#21 0xb7c203d9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#22 0x0804cb9f in ?? ()
#23 0xb731e775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#24 0x0804b1f1 in ?? ()