Bug 176805

Summary: [GStreamer] Layout test media/media-higher-prio-audio-stream.html is crashing with GStreamer-CRITICAL **: gst_object_get_name: assertion 'GST_IS_OBJECT (object)' failed in MediaPlayerPrivateGStreamer::handleMessage
Product: WebKit Reporter: Michael Catanzaro <mcatanzaro>
Component: MediaAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: pnormand, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Other   
Hardware: PC   
OS: Linux   

Description Michael Catanzaro 2017-09-12 13:31:32 PDT
Since enabling fatal criticals for layout tests, test media/media-higher-prio-audio-stream.html is crashing in MediaPlayerPrivateGStreamer::handleMessage with the following error:

STDERR: invalid uninstantiatable type '<unknown>' in cast to 'GstElement'
STDERR: 
STDERR: (WebKitWebProcess:30961): GStreamer-CRITICAL **: gst_object_get_name: assertion 'GST_IS_OBJECT (object)' failed

Updating expectations accordingly. Backtrace:

Thread 1 (Thread 0x7f58dc766a80 (LWP 30961)):
#0  _g_log_abort () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmessages.c:549
#1  0x00007f58e7f611b5 in g_logv () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmessages.c:1357
#2  0x00007f58e7f61302 in g_log () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmessages.c:1398
#3  0x00007f58e8f6243b in gst_object_get_name () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstobject.c:653
#4  0x00007f58ed99d5d8 in _ZN7WebCore27MediaPlayerPrivateGStreamer13handleMessageEP11_GstMessage () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#5  0x00007f58dfe76038 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#6  0x00007f58dfe75a9a in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
#7  0x00007f58e8034e68 in g_cclosure_marshal_generic () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gclosure.c:1490
#8  0x00007f58e8034655 in g_closure_invoke () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gclosure.c:804
#9  0x00007f58e8045ea2 in signal_emit_unlocked_R () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gsignal.c:3635
#10 0x00007f58e804ea41 in g_signal_emit_valist () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gsignal.c:3391
#11 0x00007f58e804ee52 in g_signal_emit () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/gobject/gsignal.c:3447
#12 0x00007f58e8f74a52 in gst_bus_async_signal_func () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstbus.c:1221
#13 0x00007f58e8f75866 in gst_bus_source_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/gstreamer-1.10.5/gst/gstbus.c:815
#14 0x00007f58e7f5a5ca in g_main_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3212
#15 g_main_context_dispatch () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3865
#16 0x00007f58e7f5a948 in g_main_context_iterate () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:3938
#17 0x00007f58e7f5ac62 in g_main_loop_run () at /home/slave/webkitgtk/gtk-linux-64-release-tests/build/WebKitBuild/DependenciesGTK/Source/glib-2.52.1/glib/gmain.c:4134
#18 0x00007f58ea99b460 in _ZN3WTF7RunLoop3runEv () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18
#19 0x00007f58ece818f2 in _ZN6WebKit16ChildProcessMainINS_10WebProcessENS_14WebProcessMainEEEiiPPc () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libwebkit2gtk-4.0.so.37
#20 0x00007f58e3b362b1 in __libc_start_main (main=0x7f58ef4b0d20 <main>, argc=2, argv=0x7ffea2a9a7d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffea2a9a7c8) at ../csu/libc-start.c:291
#21 0x00007f58ef4b0daa in _start ()
Comment 1 Philippe Normand 2018-01-10 08:35:19 PST
Fixed in https://trac.webkit.org/r226713
Will unflag the test ...
Comment 2 Radar WebKit Bug Importer 2018-01-10 08:36:15 PST
<rdar://problem/36406899>