[Webkit-unassigned] [Bug 152043] New: [GStreamer] MainThreadNotifier ASSERT

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152043

            Bug ID: 152043
           Summary: [GStreamer] MainThreadNotifier ASSERT
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: pnormand at igalia.com
                CC: cgarcia at igalia.com

When debugging Bug 149594 I stumbled upon this:

(gdb) bt
#0  0x00007f836ab2c8be in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321
#1  0x00007f8372338aeb in WTF::WeakReference<WebCore::MainThreadNotifier<MainThreadSourceNotification> >::get (this=0x7f83109be000) at ../../Source/WTF/wtf/WeakPtr.h:55
#2  0x00007f83723384d2 in WTF::WeakPtr<WebCore::MainThreadNotifier<MainThreadSourceNotification> >::operator bool (this=0x7f82e41013f0) at ../../Source/WTF/wtf/WeakPtr.h:99
#3  0x00007f8372334e4b in WebCore::MainThreadNotifier<MainThreadSourceNotification>::<lambda()>::operator()(void) const (__closure=0x7f82e41013f0) at ../../Source/WebCore/platform/graphics/gstreamer/MainThreadNotifier.h:52
#4  0x00007f8372336296 in std::_Function_handler<void(), WebCore::MainThreadNotifier<T>::notify(T, const F&) [with F = webKitWebSrcChangeState(GstElement*, GstStateChange)::<lambda()>; T = MainThreadSourceNotification]::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /usr/include/c++/5/functional:1871
#5  0x00007f83707f5c66 in std::function<void()>::operator()(void) const (this=0x7ffe29c5af80) at /usr/include/c++/5/functional:2271
#6  0x00007f836ab4627d in WTF::RunLoop::performWork (this=0x7f83539fb180) at ../../Source/WTF/wtf/RunLoop.cpp:104
#7  0x00007f836ab7ee3a in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::operator()(void*) const () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:66
#8  0x00007f836ab7ee5f in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:68
#9  0x00007f836ab7edda in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::operator()(GSource *, GSourceFunc, gpointer) const (__closure=0x0, source=0x2bdde90, 
    callback=0x7f836ab7ee42 <WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*)>, userData=0x7f83539fb180) at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:44
#10 0x00007f836ab7ee09 in WTF::<lambda(GSource*, GSourceFunc, gpointer)>::_FUN(GSource *, GSourceFunc, gpointer) () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:45
#11 0x00007f83667b8afa in g_main_dispatch (context=0x245cfb0) at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.46.0/glib/gmain.c:3154
#12 g_main_context_dispatch (context=context at entry=0x245cfb0) at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.46.0/glib/gmain.c:3769
#13 0x00007f83667b8e78 in g_main_context_iterate (context=0x245cfb0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.46.0/glib/gmain.c:3840
#14 0x00007f83667b9192 in g_main_loop_run (loop=0x2bcbd70) at /home/phil/WebKit/WebKitBuild/DependenciesGTK/Source/glib-2.46.0/glib/gmain.c:4034
#15 0x00007f836ab7f3d2 in WTF::RunLoop::run () at ../../Source/WTF/wtf/glib/RunLoopGLib.cpp:94
#16 0x00007f8370d95517 in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=2, argv=0x7ffe29c5b3c8) at ../../Source/WebKit2/Shared/unix/ChildProcessMain.h:61
#17 0x00007f8370d9537e in WebKit::WebProcessMainUnix (argc=2, argv=0x7ffe29c5b3c8) at ../../Source/WebKit2/WebProcess/gtk/WebProcessMainGtk.cpp:77
#18 0x0000000000400c5a in main (argc=2, argv=0x7ffe29c5b3c8) at ../../Source/WebKit2/WebProcess/EntryPoint/unix/WebProcessMain.cpp:44

1. Start the wk http server
2. MiniBrowser http://localhost:8000/media/hls/hls-audio-tracks.html

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.webkit.org/pipermail/webkit-unassigned/attachments/20151209/30359555/attachment.html>