#0  gdk_x_error (display=0x996e000, error=0xaf58b688) at /build/buildd/gtk+2.0-2.16.1/gdk/x11/gdkmain-x11.c:614
#1  0xb723fdb9 in _XError () from /usr/lib/libX11.so.6
#2  0xb7247638 in ?? () from /usr/lib/libX11.so.6
#3  0xb7247ccd in _XReply () from /usr/lib/libX11.so.6
#4  0xb723b507 in XSync () from /usr/lib/libX11.so.6
#5  0xb63db9e3 in gst_xvimagesink_xvimage_put (xvimagesink=0x996c1c8, xvimage=0xad65cd10) at xvimagesink.c:846
#6  0xb63dc0f3 in gst_xvimagesink_show_frame (bsink=0x996c1c8, buf=0xad65cd10) at xvimagesink.c:2260
#7  0xb803fade in gst_base_sink_render_object (basesink=0x996c1c8, pad=0x9691c88, obj=0xad65cd10) at gstbasesink.c:2359
#8  0xb8040aa8 in gst_base_sink_queue_object_unlocked (basesink=0x996c1c8, pad=0x9691c88, obj=0xad65cd10, prerollable=1)
    at gstbasesink.c:2566
#9  0xb804120d in gst_base_sink_chain_unlocked (basesink=0x996c1c8, pad=0x9691c88, buf=0xad65cd10) at gstbasesink.c:2923
#10 0xb8041725 in gst_base_sink_chain (pad=0x9691c88, buf=0xad65cd10) at gstbasesink.c:2964
#11 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x9691c88, buffer=0xad65cd10) at gstpad.c:3890
#12 0xb7f86eba in gst_pad_push (pad=0x99589f0, buffer=0xad65cd10) at gstpad.c:4057
#13 0xb7f7631d in gst_proxy_pad_do_chain (pad=0x9964000, buffer=0xad65cd10) at gstghostpad.c:191
#14 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x9964000, buffer=0xad65cd10) at gstpad.c:3890
#15 0xb7f86eba in gst_pad_push (pad=0x9958ac0, buffer=0xad65cd10) at gstpad.c:4057
#16 0xb7f7631d in gst_proxy_pad_do_chain (pad=0x99640e0, buffer=0xad65cd10) at gstghostpad.c:191
#17 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x99640e0, buffer=0xad65cd10) at gstpad.c:3890
#18 0xb7f86eba in gst_pad_push (pad=0x9958920, buffer=0xad65cd10) at gstpad.c:4057
#19 0xb7f7631d in gst_proxy_pad_do_chain (pad=0x969df00, buffer=0xad65cd10) at gstghostpad.c:191
#20 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x969df00, buffer=0xad65cd10) at gstpad.c:3890
#21 0xb7f86eba in gst_pad_push (pad=0x9691bc8, buffer=0xad65cd10) at gstpad.c:4057
#22 0xb8054caf in gst_base_transform_chain (pad=0xa197ef0, buffer=0xad65cd10) at gstbasetransform.c:2030
#23 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa197ef0, buffer=0xad65cd10) at gstpad.c:3890
#24 0xb7f86eba in gst_pad_push (pad=0xa197e30, buffer=0xad65cd10) at gstpad.c:4057
#25 0xb8054caf in gst_base_transform_chain (pad=0xa197d70, buffer=0xa18c070) at gstbasetransform.c:2030
#26 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa197d70, buffer=0xa18c070) at gstpad.c:3890
#27 0xb7f86eba in gst_pad_push (pad=0xa1c2060, buffer=0xa18c070) at gstpad.c:4057
#28 0xb8054caf in gst_base_transform_chain (pad=0xa197bf0, buffer=0xa18c070) at gstbasetransform.c:2030
#29 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa197bf0, buffer=0xa18c070) at gstpad.c:3890
#30 0xb7f86eba in gst_pad_push (pad=0xa19a890, buffer=0xa18c070) at gstpad.c:4057
#31 0xb7f7631d in gst_proxy_pad_do_chain (pad=0xa149620, buffer=0xa18c070) at gstghostpad.c:191
#32 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa149620, buffer=0xa18c070) at gstpad.c:3890
#33 0xb7f86eba in gst_pad_push (pad=0x9964460, buffer=0xa18c070) at gstpad.c:4057
#34 0xb7f7631d in gst_proxy_pad_do_chain (pad=0x9958b90, buffer=0xa18c070) at gstghostpad.c:191
#35 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x9958b90, buffer=0xa18c070) at gstpad.c:3890
#36 0xb7f86eba in gst_pad_push (pad=0xa1478c8, buffer=0xa18c070) at gstpad.c:4057
#37 0xb8054caf in gst_base_transform_chain (pad=0xa147808, buffer=0xa18c070) at gstbasetransform.c:2030
#38 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa147808, buffer=0xa18c070) at gstpad.c:3890
#39 0xb7f86eba in gst_pad_push (pad=0x9691ec8, buffer=0xa18c070) at gstpad.c:4057
#40 0xb4841fb7 in gst_visual_chain (pad=0x9691e08, buffer=0xa1f4558) at visual.c:728
#41 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x9691e08, buffer=0xa1f4558) at gstpad.c:3890
#42 0xb7f86eba in gst_pad_push (pad=0x9958c60, buffer=0xa1f4558) at gstpad.c:4057
#43 0xb7f7631d in gst_proxy_pad_do_chain (pad=0x99641c0, buffer=0xa1f4558) at gstghostpad.c:191
#44 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0x99641c0, buffer=0xa1f4558) at gstpad.c:3890
#45 0xb7f86eba in gst_pad_push (pad=0xa1c90e8, buffer=0xa1f4558) at gstpad.c:4057
#46 0xb8054caf in gst_base_transform_chain (pad=0xa1c9028, buffer=0xb460dcb0) at gstbasetransform.c:2030
#47 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa1c9028, buffer=0xb460dcb0) at gstpad.c:3890
#48 0xb7f86eba in gst_pad_push (pad=0xa1c2720, buffer=0xb460dcb0) at gstpad.c:4057
#49 0xb8054caf in gst_base_transform_chain (pad=0xa1c2660, buffer=0xb460dcb0) at gstbasetransform.c:2030
#50 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa1c2660, buffer=0xb460dcb0) at gstpad.c:3890
#51 0xb7f86eba in gst_pad_push (pad=0xa1c25a0, buffer=0xb460dcb0) at gstpad.c:4057
#52 0xb8054caf in gst_base_transform_chain (pad=0xa1c24e0, buffer=0xb460dcb0) at gstbasetransform.c:2030
#53 0xb7f85ac5 in gst_pad_chain_unchecked (pad=0xa1c24e0, buffer=0xb460dcb0) at gstpad.c:3890
#54 0xb7f86eba in gst_pad_push (pad=0xa1c22a0, buffer=0xb460dcb0) at gstpad.c:4057
#55 0xb640a1a2 in gst_queue_loop (pad=0xa1c22a0) at gstqueue.c:1047
#56 0xb7fa8593 in gst_task_func (task=0xa191b30, tclass=0x952b9b8) at gsttask.c:192
#57 0xb736fe26 in g_thread_pool_thread_proxy (data=0x9516098) at /build/buildd/glib2.0-2.20.1/glib/gthreadpool.c:265
#58 0xb736e7bf in g_thread_create_proxy (data=0x95a7898) at /build/buildd/glib2.0-2.20.1/glib/gthread.c:635
#59 0xb7b184ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#60 0xb718749e in clone () from /lib/tls/i686/cmov/libc.so.6

