#0  IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_CRITICAL, format=0xb758a81b "%s: assertion `%s' failed", args1=0xb6fe8aac "(\205_·x\204_·\0209ò·¸¶\016\b") at gmessages.c:503
#1  0xb7560289 in IA__g_log (log_domain=0xb75f7dfc "GLib-GObject", log_level=G_LOG_LEVEL_CRITICAL, format=0xb758a81b "%s: assertion `%s' failed") at gmessages.c:517
#2  0xb756036d in IA__g_return_if_fail_warning (log_domain=0xb75f7dfc "GLib-GObject", pretty_function=0xb75f8524 "IA__g_closure_invoke", expression=0xb75f8478 "closure->marshal || closure->meta_marshal") at gmessages.c:532
#3  0xb75cf2df in IA__g_closure_invoke (closure=0x80eb6b8, return_value=0x0, n_param_values=3, param_values=0x825bf58, invocation_hint=0xb6fe8bfc) at gclosure.c:475
#4  0xb75e0969 in signal_emit_unlocked_R (node=0x81e3bf8, detail=0, instance=0x822c000, emission_return=0x0, instance_and_params=0x825bf58) at gsignal.c:2438
#5  0xb75e232a in IA__g_signal_emitv (instance_and_params=0x825bf58, signal_id=130, detail=0, return_value=0x0) at gsignal.c:2109
#6  0xb71628eb in pygobject_emit (self=0xb71ada54, args=0xb71adb6c) at pygobject.c:1527
#7  0xb725c919 in PyCFunction_Call (func=0xb71a792c, arg=0xb71adb6c, kw=0x825bdc8) at Objects/methodobject.c:108
#8  0xb7293cec in PyEval_EvalFrame (f=0x81bfe54) at Python/ceval.c:3563
#9  0xb72957ad in PyEval_EvalFrame (f=0x81b9b64) at Python/ceval.c:3645
#10 0xb72957ad in PyEval_EvalFrame (f=0x8242514) at Python/ceval.c:3645
#11 0xb72957ad in PyEval_EvalFrame (f=0x81c72bc) at Python/ceval.c:3645
#12 0xb72957ad in PyEval_EvalFrame (f=0x81e4e94) at Python/ceval.c:3645
#13 0xb72957ad in PyEval_EvalFrame (f=0x81ad2dc) at Python/ceval.c:3645
#14 0xb729615e in PyEval_EvalCodeEx (co=0xb718db20, globals=0x825bdc8, locals=0x3b9, args=0xb71adb50, argcount=3, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2736
#15 0xb724cb9a in function_call (func=0xb71a0b54, arg=0xb71adb44, kw=0x0) at Objects/funcobject.c:548
#16 0xb7237597 in PyObject_Call (func=0x0, arg=0x3b9, kw=0x3b9) at Objects/abstract.c:1795
#17 0xb723f24b in instancemethod_call (func=0xb71a0b54, arg=0xb71adb44, kw=0x3b9) at Objects/classobject.c:2447
#18 0xb7237597 in PyObject_Call (func=0x0, arg=0x3b9, kw=0x3b9) at Objects/abstract.c:1795
#19 0xb7290088 in PyEval_CallObjectWithKeywords (func=0x3b9, arg=0xb718834c, kw=0x0) at Python/ceval.c:3430
#20 0xb723755a in PyObject_CallObject (o=0x3b9, a=0x3b9) at Objects/abstract.c:1786
#21 0xb716a410 in pyg_closure_marshal (closure=0x824e0b0, return_value=0x0, n_param_values=2, param_values=0xb6fea08c, invocation_hint=0xb6fe9f6c, marshal_data=0x0) at pygtype.c:1110
#22 0xb75cf1bb in IA__g_closure_invoke (closure=0x824e0b0, return_value=0x0, n_param_values=2, param_values=0xb6fea08c, invocation_hint=0xb6fe9f6c) at gclosure.c:490
#23 0xb75e0969 in signal_emit_unlocked_R (node=0x805f260, detail=0, instance=0x824f040, emission_return=0x0, instance_and_params=0xb6fea08c) at gsignal.c:2438
#24 0xb75e1da3 in IA__g_signal_emit_valist (instance=0x824f040, signal_id=7, detail=0, var_args=0xb6fea2d0 "@ð$\bp\227\034·ø¢þ¶üwè·\020f\032\b *ì·") at gsignal.c:2197
#25 0xb75e2049 in IA__g_signal_emit (instance=0x824f040, signal_id=7, detail=0) at gsignal.c:2241
#26 0xb7e889d9 in gst_element_add_pad (element=0x824f040, pad=0x81a6610) at gstelement.c:636
#27 0xb71c7788 in gst_dvdemux_add_pads (dvdemux=0x824f040) at gstdvdemux.c:309
#28 0xb71cb1b5 in gst_dvdemux_loop (pad=0x3b9) at gstdvdemux.c:1544
#29 0xb7eba871 in gst_task_func (task=0x80fa680, tclass=0x824ee58) at gsttask.c:192
#30 0xb7576ec7 in g_thread_pool_thread_proxy (data=0x824e118) at gthreadpool.c:265
#31 0xb757550f in g_thread_create_proxy (data=0x824e190) at gthread.c:553
#32 0xb7e4a294 in start_thread (arg=0xb6feaba0) at pthread_create.c:261
#33 0xb74c9e7e in clone () from /lib/libc.so.6