.
Thread 2 (process 10486):
#0  0x00002b000e1567b1 in ?? () from /lib/libpthread.so.0
#1  0x00002b000ea04c68 in IA__g_usleep (microseconds=<value optimized out>)
    at /build/buildd/glib2.0-2.14.1/glib/gtimer.c:170
	request = {tv_sec = 0, tv_nsec = 50000000}
	remaining = {tv_sec = 0, tv_nsec = 17743381}
#2  0x00002b0014dca1fa in gst_xvimagesink_event_thread (xvimagesink=0x7fa430) at xvimagesink.c:1517
	__PRETTY_FUNCTION__ = "gst_xvimagesink_event_thread"
#3  0x00002b000ea02904 in g_thread_create_proxy (data=0xb7e4c0)
    at /build/buildd/glib2.0-2.14.1/glib/gthread.c:635
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#4  0x00002b000e14f317 in start_thread () from /lib/libpthread.so.0
#5  0x00002b000ed50d5d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()
.
Thread 1 (process 10483):
#0  0x00002b00060fffd4 in ?? ()
#1  0x00002b00060f0c93 in ?? ()
#2  0x00007fffa49bc060 in ?? ()
#3  0x00000042105086dd in ?? ()
#4  0x0000000000000019 in ?? ()
#5  0x0000000300000010 in ?? ()
#6  0x0000000000000001 in ?? ()
#7  0x0000000000000001 in ?? ()
#8  0x0000000000000001 in ?? ()
#9  0x0000000000b8ba40 in ?? ()
#10 0x0000000000000000 in ?? ()