Bug 201652

Summary: [GStreamer] assertion failed: (combine->sinkpad != NULL) in GstPlayBin3 on youtube.com
Product: WebKit Reporter: Michael Catanzaro <mcatanzaro>
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: aboya, bugs-noreply, cgarcia, mcatanzaro, pnormand
Priority: P2    
Version: WebKit Nightly Build   
Hardware: PC   
OS: Linux   
Attachments:
Description Flags
Backtrace none

Michael Catanzaro
Reported 2019-09-10 12:38:37 PDT
Created attachment 378475 [details] Backtrace 2.25.92 is crashy when visiting youtube.com: (gdb) bt #0 0x00007f29142b3605 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f291429c899 in __GI_abort () at abort.c:79 #2 0x00007f2913395b33 in g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f28a47b0e00 <__func__.28560> "combiner_control_pad", message=<optimized out>) at ../glib/gtestutils.c:2912 #3 0x00007f29133f214f in g_assertion_message_expr (domain=0x0, file=file@entry=0x7f28a47b000a "../gst/playback/gstplaybin3.c", line=line@entry=2924, func=func@entry=0x7f28a47b0e00 <__func__.28560> "combiner_control_pad", expr=expr@entry=0x7f28a47b03bf "combine->sinkpad != NULL") at ../glib/gtestutils.c:2938 #4 0x00007f28a47877bf in combiner_control_pad (srcpad= 0x7f0fc8006da0 [GstGhostPad], combine=<optimized out>, playbin=0x55cff47e8dd0 [GstPlayBin3]) at ../gst/playback/gstplaybin3.c:2924 #5 0x00007f28a47877bf in pad_added_cb (uridecodebin=<optimized out>, pad=0x7f0fc8006da0 [GstGhostPad], group=0x55cff47e9040) at ../gst/playback/gstplaybin3.c:3058 #6 0x00007f2910321b78 in ffi_call_unix64 () at ../src/x86/unix64.S:76 #7 0x00007f2910321374 in ffi_call (cif=cif@entry=0x7f0fceffba80, fn=fn@entry=0x7f28a4787160 <pad_added_cb>, rvalue=<optimized out>, avalue=avalue@entry=0x7f0fceffb9d0) at ../src/x86/ffi64.c:525 #12 0x00007f29134d1a03 in <emit signal ??? on instance 0x55cff5378c60 [GstURIDecodeBin3]> (instance=instance@entry=0x55cff5378c60, signal_id=<optimized out>, detail=detail@entry=0) at ../gobject/gsignal.c:3453 #8 0x00007f29134b524d in g_cclosure_marshal_generic (closure=closure@entry=0x55cff5382a90, return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=2, param_values=param_values@entry=0x7f0fceffbcb0, invocation_hint=invocation_hint@entry=0x7f0fceffbc30, marshal_data=marshal_data@entry=0x0) at ../gobject/gclosure.c:1500 #9 0x00007f29134b4742 in g_closure_invoke (closure=0x55cff5382a90, return_value=0x0, n_param_values=2, param_values=0x7f0fceffbcb0, invocation_hint=0x7f0fceffbc30) at ../gobject/gclosure.c:810 #10 0x00007f29134c85a4 in signal_emit_unlocked_R (node=node@entry=0x55cff506dc70, detail=detail@entry=0, instance=instance@entry=0x55cff5378c60, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7f0fceffbcb0) at ../gobject/gsignal.c:3641 #11 0x00007f29134d1377 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7f0fceffbe80) at ../gobject/gsignal.c:3397 #13 0x00007f29112dcee0 in gst_element_add_pad (element=0x55cff5378c60 [GstURIDecodeBin3], pad=pad@entry=0x7f0fc8006da0 [GstGhostPad]) at ../gst/gstelement.c:711 #14 0x00007f28a4762ae6 in add_output_pad (target_pad=<optimized out>, dec=0x55cff5378c60 [GstURIDecodeBin3]) at ../gst/playback/gsturidecodebin3.c:540 #15 0x00007f28a4762ae6 in db_pad_added_cb (element=<optimized out>, pad=<optimized out>, dec=0x55cff5378c60 [GstURIDecodeBin3]) at ../gst/playback/gsturidecodebin3.c:559 #16 0x00007f2910321b78 in ffi_call_unix64 () at ../src/x86/unix64.S:76 #17 0x00007f2910321374 in ffi_call (cif=cif@entry=0x7f0fceffc190, fn=fn@entry=0x7f28a47629a0 <db_pad_added_cb>, rvalue=<optimized out>, avalue=avalue@entry=0x7f0fceffc0e0) at ../src/x86/ffi64.c:525 #22 0x00007f29134d1a03 in <emit signal ??? on instance 0x55cff53ba030 [GstDecodebin3]> (instance=instance@entry=0x55cff53ba030, signal_id=<optimized out>, detail=detail@entry=0) at ../gobject/gsignal.c:3453 #18 0x00007f29134b524d in g_cclosure_marshal_generic (closure=closure@entry=0x55cff5382880, return_gvalue=return_gvalue@entry=0x0, n_param_values=n_param_values@entry=2, param_values=param_values@entry=0x7f0fceffc3c0, invocation_hint=invocation_hint@entry=0x7f0fceffc340, marshal_data=marshal_data@entry=0x0) at ../gobject/gclosure.c:1500 --Type <RET> for more, q to quit, c to continue without paging--c #19 0x00007f29134b4742 in g_closure_invoke (closure=0x55cff5382880, return_value=0x0, n_param_values=2, param_values=0x7f0fceffc3c0, invocation_hint=0x7f0fceffc340) at ../gobject/gclosure.c:810 #20 0x00007f29134c85a4 in signal_emit_unlocked_R (node=node@entry=0x55cff506dc70, detail=detail@entry=0, instance=instance@entry=0x55cff53ba030, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7f0fceffc3c0) at ../gobject/gsignal.c:3641 #21 0x00007f29134d1377 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7f0fceffc590) at ../gobject/gsignal.c:3397 #23 0x00007f29112dcee0 in gst_element_add_pad (element=element@entry=0x55cff53ba030 [GstDecodebin3], pad=0x7f0fc8006b20 [GstGhostPad]) at ../gst/gstelement.c:711 #24 0x00007f28a475afcb in reconfigure_output_stream (output=0x7f0fc0002560, slot=0x7f0fd001de80) at ../gst/playback/gstdecodebin3.c:2252 #25 0x00007f28a475b6b5 in multiqueue_src_probe (pad=pad@entry=0x55cff5419430 [GstPad], info=info@entry=0x7f0fceffc960, slot=0x7f0fd001de80) at ../gst/playback/gstdecodebin3.c:1789 #26 0x00007f29112f860e in probe_hook_marshal (hook=0x7f0fd0004900, data=0x7f0fceffc830) at ../gst/gstpad.c:3565 #27 0x00007f29133b9726 in g_hook_list_marshal (hook_list=hook_list@entry=0x55cff54194c8, may_recurse=may_recurse@entry=1, marshaller=marshaller@entry=0x7f29112f8200 <probe_hook_marshal>, data=data@entry=0x7f0fceffc830) at ../glib/ghook.c:672 #28 0x00007f29112f7c9e in do_probe_callbacks (pad=pad@entry=0x55cff5419430 [GstPad], info=<optimized out>, defaultval=defaultval@entry=GST_FLOW_OK) at ../gst/gstpad.c:3727 #29 0x00007f29112fb3a7 in gst_pad_push_event_unchecked (pad=pad@entry=0x55cff5419430 [GstPad], event=0x7f0fd0002a30 [GstEvent], type=type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at ../gst/gstpad.c:5375 #30 0x00007f29112fb95a in push_sticky (pad=pad@entry=0x55cff5419430 [GstPad], ev=ev@entry=0x7f0fceffca40, user_data=user_data@entry=0x7f0fceffcab0) at ../gst/gstevent.h:438 #31 0x00007f29112f92d0 in events_foreach (pad=pad@entry=0x55cff5419430 [GstPad], func=func@entry=0x7f29112fb900 <push_sticky>, user_data=user_data@entry=0x7f0fceffcab0) at ../gst/gstpad.c:608 #32 0x00007f29113041c1 in check_sticky (event=0x7f0fd0002a30 [GstEvent], pad=0x55cff5419430 [GstPad]) at ../gst/gstpad.c:3985 #33 0x00007f29113041c1 in gst_pad_push_event (pad=0x55cff5419430 [GstPad], event=event@entry=0x7f0fd0002a30 [GstEvent]) at ../gst/gstpad.c:5541 #34 0x00007f28a45c607d in gst_single_queue_push_one (allow_drop=<synthetic pointer>, object=0x7f0fd0002a30 [GstEvent], sq=0x7f0fd001dee0, mq=0x55cff53bf020 [GstMultiQueue]) at ../plugins/elements/gstmultiqueue.c:1688 #35 0x00007f28a45c607d in gst_multi_queue_loop (pad=<optimized out>) at ../plugins/elements/gstmultiqueue.c:1959 #36 0x00007f29113318e7 in gst_task_func (task=0x55cff541b3b0 [GstTask]) at ../gst/gsttask.c:328 #37 0x00007f29133f3674 in g_thread_pool_thread_proxy (data=<optimized out>) at ../glib/gthreadpool.c:308 #38 0x00007f29133f2f31 in g_thread_proxy (data=0x7f0fc8002ca0) at ../glib/gthread.c:805 #39 0x00007f2910efd5e2 in start_thread (arg=<optimized out>) at pthread_create.c:479 #40 0x00007f2914378413 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Full backtrace attached.
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Backtrace (17.59 KB, text/plain)
2019-09-10 12:38 PDT, Michael Catanzaro 		no flags
Details
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Philippe Normand
Comment 1 2019-09-15 02:06:21 PDT
The other bug has a few more details (debug logs). *** This bug has been marked as a duplicate of bug 201726 ***
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