. Thread 5 (process 28370): #0 0x00007f51d8d8db04 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0x00007f51d8d891a0 in _L_lock_102 () from /lib/libpthread.so.0 #2 0x00007f51d8d88aae in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0x00007f51c8641037 in ?? () from /usr/lib/gstreamer-0.10/libgstxvimagesink.so #4 0x00007f51d4f345b4 in ?? () from /usr/lib/libglib-2.0.so.0 #5 0x00007f51d8d873ea in start_thread () from /lib/libpthread.so.0 #6 0x00007f51d4c45b9d in clone () from /lib/libc.so.6 #7 0x0000000000000000 in ?? () . Thread 4 (process 28374): #0 0x00007f51d8d8b2d9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007f51c8a665a8 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #2 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #3 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #4 0x00007f51c6820943 in ?? () from /usr/lib/gstreamer-0.10/libgstogg.so #5 0x00007f51c6820fda in ?? () from /usr/lib/gstreamer-0.10/libgstogg.so #6 0x00007f51c6822913 in ?? () from /usr/lib/gstreamer-0.10/libgstogg.so #7 0x00007f51c6822fe2 in ?? () from /usr/lib/gstreamer-0.10/libgstogg.so #8 0x00007f51dcce5296 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #9 0x00007f51d4f35b47 in ?? () from /usr/lib/libglib-2.0.so.0 #10 0x00007f51d4f345b4 in ?? () from /usr/lib/libglib-2.0.so.0 #11 0x00007f51d8d873ea in start_thread () from /lib/libpthread.so.0 #12 0x00007f51d4c45b9d in clone () from /lib/libc.so.6 #13 0x0000000000000000 in ?? () . Thread 3 (process 28375): #0 0x00007f51d8d8db04 in __lll_lock_wait () from /lib/libpthread.so.0 #1 0x00007f51d8d891a0 in _L_lock_102 () from /lib/libpthread.so.0 #2 0x00007f51d8d88aae in pthread_mutex_lock () from /lib/libpthread.so.0 #3 0x00007f51c863b871 in ?? () from /usr/lib/gstreamer-0.10/libgstxvimagesink.so #4 0x00007f51c863d4b3 in ?? () from /usr/lib/gstreamer-0.10/libgstxvimagesink.so #5 0x00007f51dd154bbf in ?? () from /usr/lib/libgstbase-0.10.so.0 #6 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #7 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #8 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #9 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #10 0x00007f51dd161702 in ?? () from /usr/lib/libgstbase-0.10.so.0 #11 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #12 0x00007f51dd161702 in ?? () from /usr/lib/libgstbase-0.10.so.0 #13 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #14 0x00007f51dd161702 in ?? () from /usr/lib/libgstbase-0.10.so.0 #15 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #16 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #17 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #18 0x00007f51c8e9fa1b in ?? () from /usr/lib/gstreamer-0.10/libgstplaybin.so #19 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #20 0x00007f51dccc7179 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #21 0x00007f51c5dd1a12 in ?? () from /usr/lib/gstreamer-0.10/libgsttheora.so #22 0x00007f51c5dd2d5f in ?? () from /usr/lib/gstreamer-0.10/libgsttheora.so #23 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #24 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #25 0x00007f51c8a646f2 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #26 0x00007f51dcce5296 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #27 0x00007f51d4f35b47 in ?? () from /usr/lib/libglib-2.0.so.0 #28 0x00007f51d4f345b4 in ?? () from /usr/lib/libglib-2.0.so.0 #29 0x00007f51d8d873ea in start_thread () from /lib/libpthread.so.0 #30 0x00007f51d4c45b9d in clone () from /lib/libc.so.6 #31 0x0000000000000000 in ?? () . Thread 2 (process 28363): #0 0x00007f51d4c3c126 in poll () from /lib/libc.so.6 #1 0x00007f51d4f0e4d8 in ?? () from /usr/lib/libglib-2.0.so.0 #2 0x00007f51d4f0eb6d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #3 0x00007f51d8277977 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #4 0x0000000000424166 in main () . Thread 1 (process 28376): #0 0x00007f51d4f14c64 in g_logv () from /usr/lib/libglib-2.0.so.0 #1 0x00007f51d4f14fd3 in g_log () from /usr/lib/libglib-2.0.so.0 #2 0x00007f51d7ee3de2 in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #3 0x00007f51d6401864 in _XError () from /usr/lib/libX11.so.6 #4 0x00007f51d64092df in ?? () from /usr/lib/libX11.so.6 #5 0x00007f51d640968a in _XReply () from /usr/lib/libX11.so.6 #6 0x00007f51d63fd0c3 in XSync () from /usr/lib/libX11.so.6 #7 0x00007f51c863c5f2 in ?? () from /usr/lib/gstreamer-0.10/libgstxvimagesink.so #8 0x00007f51c863cbcb in ?? () from /usr/lib/gstreamer-0.10/libgstxvimagesink.so #9 0x00007f51dd154350 in ?? () from /usr/lib/libgstbase-0.10.so.0 #10 0x00007f51dd1546f1 in ?? () from /usr/lib/libgstbase-0.10.so.0 #11 0x00007f51dd154afc in ?? () from /usr/lib/libgstbase-0.10.so.0 #12 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #13 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #14 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #15 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #16 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #17 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #18 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #19 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #20 0x00007f51dd161e00 in ?? () from /usr/lib/libgstbase-0.10.so.0 #21 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #22 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #23 0x00007f51dd161e00 in ?? () from /usr/lib/libgstbase-0.10.so.0 #24 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #25 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #26 0x00007f51dd161e00 in ?? () from /usr/lib/libgstbase-0.10.so.0 #27 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #28 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #29 0x00007f51dccc6a16 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #30 0x00007f51dccc7ab3 in gst_pad_push () from /usr/lib/libgstreamer-0.10.so.0 #31 0x00007f51c8a646f2 in ?? () from /usr/lib/gstreamer-0.10/libgstcoreelements.so #32 0x00007f51dcce5296 in ?? () from /usr/lib/libgstreamer-0.10.so.0 #33 0x00007f51d4f35b47 in ?? () from /usr/lib/libglib-2.0.so.0 #34 0x00007f51d4f345b4 in ?? () from /usr/lib/libglib-2.0.so.0 #35 0x00007f51d8d873ea in start_thread () from /lib/libpthread.so.0 #36 0x00007f51d4c45b9d in clone () from /lib/libc.so.6 #37 0x0000000000000000 in ?? ()