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<head>
<base href="https://bugs.webkit.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - New tabs hang in epiphany"
href="https://bugs.webkit.org/show_bug.cgi?id=167861">167861</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>New tabs hang in epiphany
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>Other
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>WebKit Gtk
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>bugzilla@hadess.net
</td>
</tr>
<tr>
<th>CC</th>
<td>bugs-noreply@webkitgtk.org
</td>
</tr></table>
<p>
<div>
<pre>epiphany-3.22.5-1.fc25.x86_64
webkitgtk4-2.14.3-1.fc25.x86_64
After a while, epiphany will only load one out of every 2 or 3 tabs I open, blocking others, and blocking keyboard shortcuts at the same time.
This might have happened after loading a web page where a video was playing through HTML5.
I use "one-secondary-process-per-web-view" as the process model but with a maximum of 5, which might explain why hung tabs don't "go away" (no new web process is created).
The backtrace of the hang:
#0 0x00007ff1845b1460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1 0x00007ff17c71a50c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () at /lib64/libstdc++.so.6
#2 0x00007ff187584d08 in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > >) (address=address@entry=0x55e4de5171d0, validation=..., beforeSleep=..., timeout=timeout@entry=...)
at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/ParkingLot.cpp:601
#3 0x00007ff18757b1e1 in WTF::ParkingLot::parkConditionally<WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int)::{lambda()#1}, WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int)::{lambda()#2}>(void const*, WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int)::{lambda()#1} const&, WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int)::{lambda()#2} const&, std::chrono::time_point<WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int)::{lambda()#2} const::_V2::steady_clock, WTF::ParkingLot::ParkResult WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned
#4 0x00007ff18757b1e1 in WTF::ParkingLot::compareAndPark<unsigned char, int>(WTF::Atomic<unsigned char> const*, int) (expected=3, address=0x55e4de5171d0)
at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/ParkingLot.h:92
#5 0x00007ff18757b1e1 in WTF::LockBase::lockSlow() (this=this@entry=0x55e4de5171d0) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/Lock.cpp:71
#6 0x00007ff188f35e5e in WTF::LockBase::lock() (this=0x55e4de5171d0) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/Lock.h:61
#7 0x00007ff188f35e5e in WTF::Locker<WTF::LockBase>::lock() (this=<synthetic pointer>) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/Locker.h:68
#8 0x00007ff188f35e5e in WTF::Locker<WTF::LockBase>::Locker(WTF::LockBase&) (lockable=..., this=<synthetic pointer>) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/Locker.h:41
#9 0x00007ff188f35e5e in VideoRenderRequestScheduler::stop() (this=0x55e4de5171d0) at /usr/src/debug/webkitgtk-2.14.3/Source/WebCore/platform/graphics/gstreamer/VideoSinkGStreamer.cpp:94
#10 0x00007ff188f35e5e in webkitVideoSinkUnlock(GstBaseSink*) (baseSink=0x55e4de517480) at /usr/src/debug/webkitgtk-2.14.3/Source/WebCore/platform/graphics/gstreamer/VideoSinkGStreamer.cpp:283
#11 0x00007ff18390379d in gst_base_sink_change_state () at /lib64/libgstbase-1.0.so.0
#12 0x00007ff18360c6ee in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#13 0x00007ff18360ce5f in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#14 0x00007ff1835eb1ad in gst_bin_change_state_func () at /lib64/libgstreamer-1.0.so.0
#15 0x00007ff0d3df6d44 in fps_display_sink_change_state () at /usr/lib64/gstreamer-1.0/libgstdebugutilsbad.so
#16 0x00007ff18360c6ee in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#17 0x00007ff18360ce5f in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#18 0x00007ff1835eb1ad in gst_bin_change_state_func () at /lib64/libgstreamer-1.0.so.0
#19 0x00007ff18360c6ee in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#20 0x00007ff18360ce5f in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#21 0x00007ff1835eb1ad in gst_bin_change_state_func () at /lib64/libgstreamer-1.0.so.0
#22 0x00007ff0d95c61e8 in gst_play_sink_change_state () at /usr/lib64/gstreamer-1.0/libgstplayback.so
#23 0x00007ff18360c6ee in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#24 0x00007ff18360ce5f in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#25 0x00007ff1835eb1ad in gst_bin_change_state_func () at /lib64/libgstreamer-1.0.so.0
#26 0x00007ff1836306ca in gst_pipeline_change_state () at /lib64/libgstreamer-1.0.so.0
#27 0x00007ff0d95b78df in gst_play_bin_change_state () at /usr/lib64/gstreamer-1.0/libgstplayback.so
#28 0x00007ff18360c6ee in gst_element_change_state () at /lib64/libgstreamer-1.0.so.0
#29 0x00007ff18360ce5f in gst_element_set_state_func () at /lib64/libgstreamer-1.0.so.0
#30 0x00007ff188f27216 in WebCore::MediaPlayerPrivateGStreamer::changePipelineState(GstState) (this=this@entry=0x7ff0ea09ca00, newState=newState@entry=GST_STATE_PAUSED)
at /usr/src/debug/webkitgtk-2.14.3/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:354
#31 0x00007ff188f29d03 in WebCore::MediaPlayerPrivateGStreamer::updateStates() (this=this@entry=0x7ff0ea09ca00)
at /usr/src/debug/webkitgtk-2.14.3/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:1438
#32 0x00007ff188f2aaf7 in WebCore::MediaPlayerPrivateGStreamer::handleMessage(_GstMessage*) (this=0x7ff0ea09ca00, message=0x7ff080001e20)
at /usr/src/debug/webkitgtk-2.14.3/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:948
#33 0x00007ff187586dbd in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/Function.h:50
#34 0x00007ff187586dbd in WTF::RunLoop::performWork() (this=0x7ff1727f7000) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/RunLoop.cpp:122
#35 0x00007ff1875ad619 in WTF::RunLoop::<lambda(gpointer)>::operator() (__closure=0x0, userData=<optimized out>) at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/glib/RunLoopGLib.cpp:66
#36 0x00007ff1875ad619 in WTF::RunLoop::<lambda(gpointer)>::_FUN(gpointer) () at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/glib/RunLoopGLib.cpp:68
#37 0x00007ff180c49e42 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#38 0x00007ff180c4a1c0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#39 0x00007ff180c4a4e2 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#40 0x00007ff1875aded0 in WTF::RunLoop::run() () at /usr/src/debug/webkitgtk-2.14.3/Source/WTF/wtf/glib/RunLoopGLib.cpp:94
#41 0x00007ff188184fa9 in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) (argc=<optimized out>, argv=0x7ffe0270a918)
at /usr/src/debug/webkitgtk-2.14.3/Source/WebKit2/Shared/unix/ChildProcessMain.h:61
#42 0x00007ff17bd9f401 in __libc_start_main () at /lib64/libc.so.6
#43 0x000055e4da2cdc5a in _start ()</pre>
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