Bug 372903 - Kontact crash on startup (Wayland)
Summary: Kontact crash on startup (Wayland)
Status: RESOLVED UPSTREAM
Alias: None
Product: kontact
Classification: Applications
Component: general (show other bugs)
Version: 5.3.0
Platform: Fedora RPMs Linux
: NOR crash
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2016-11-24 21:39 UTC by IRIGOYEN Unai
Modified: 2017-06-23 23:13 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:


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Description IRIGOYEN Unai 2016-11-24 21:39:28 UTC
Application: kontact (5.3.0 (QtWebEngine))

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.8-300.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- What I was doing when the application crashed:
Just launched Kontact on Wayland KDE session. Kontact window showed up for a couple of seconds on mail view and then crashed. I can reproduce each time I try to launch it.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe2ce630940 (LWP 5911))]

Thread 33 (Thread 0x7fe196df4700 (LWP 5970)):
#0  0x00007fe2d96aa1f4 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96ac63b in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7fe1975f5700 (LWP 5969)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2d96ad156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7fe197df6700 (LWP 5968)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2d96ad156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7fe19ffff700 (LWP 5961)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2d96ad156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7fe1ac87a700 (LWP 5959)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2d96ad156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7fe1af37e700 (LWP 5953)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2d96ad156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7fe1afb7f700 (LWP 5951)):
#0  0x00007fe2e7010ab9 in QMutex::lock() () at /lib64/libQt5Core.so.5
#1  0x00007fe2e7205c4f in postEventSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#2  0x00007fe2d96acba9 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fe2d96ad0f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7fe1c5430700 (LWP 5949)):
#0  0x00007fe2d96ad048 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#6  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#7  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7fe1c5e40700 (LWP 5947)):
#0  0x00007fe2d96f2814 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96ac68c in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7fe1c6641700 (LWP 5945)):
#0  0x00007ffdc5480bf5 in clock_gettime ()
#1  0x00007fe2e641a686 in clock_gettime () at /lib64/libc.so.6
#2  0x00007fe2e70af5e1 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007fe2e7204459 in QTimerInfoList::updateCurrentTime() () at /lib64/libQt5Core.so.5
#4  0x00007fe2e7204855 in QTimerInfoList::timerWait(timespec&) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7205a2c in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7205af5 in timerSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#7  0x00007fe2d96ac699 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#8  0x00007fe2d96ad07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#9  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#14 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#15 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7fe1c6e42700 (LWP 5943)):
#0  0x00007fe2d96f27f9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96acbb6 in g_main_context_check () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad0f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7fe1c7643700 (LWP 5942)):
#0  0x00007fe2d96f2814 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96ac771 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7fe275ffb700 (LWP 5941)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2d0507bd4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fe2d0507c19 in  () at /lib64/libQt5Script.so.5
#3  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fe2767fc700 (LWP 5936)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26bfb09 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26c0109 in base::SequencedWorkerPool::Worker::Run() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e26c02c0 in base::SimpleThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fe276ffd700 (LWP 5935)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2c38a5f51 in poll_func () at /lib64/libpulse.so.0
#2  0x00007fe2c3897721 in pa_mainloop_poll () at /lib64/libpulse.so.0
#3  0x00007fe2c3897dbe in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007fe2c3897e70 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007fe2c38a5e99 in thread () at /lib64/libpulse.so.0
#6  0x00007fe2c3440178 in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fe2777fe700 (LWP 5934)):
#0  0x00007fe2e6419ebc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe2e641bac4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe2d7c9e86e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe2d7c9ea64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe2d7ca31e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe2d7c8d18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe2e266b14a in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#12 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fe277fff700 (LWP 5933)):
[KCrash Handler]
#6  0x00007fe2e0dc7da9 in gfx::GLSurfaceQtEGL::Initialize() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e0dc88df in gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size const&) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e1ff215f in content::GpuChannelManager::GetDefaultOffscreenSurface() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e2021ab2 in content::GpuCommandBufferStub::OnInitialize(base::FileDescriptor, IPC::Message*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e201fe6c in content::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2e201b74e in content::GpuChannel::HandleMessage() [clone .part.322] () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe2e26e9309 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe2e26924c8 in base::MessageLoop::RunTask(base::PendingTask const&) () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe2e2693139 in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe2e2693602 in base::MessageLoop::DoWork() () at /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe2e2695629 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#18 0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#19 0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#20 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#21 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#22 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fe294ff9700 (LWP 5932)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e2243b50 in mojo::system::Waiter::Wait(unsigned long, unsigned long*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e222bc50 in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e222bfeb in mojo::system::Core::Wait(unsigned int, unsigned int, unsigned long, mojo::system::UserPointer<MojoHandleSignalsState>) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e222787a in MojoWait () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e341b40e in mojo::common::MessagePumpMojo::WaitForReadyHandles(mojo::common::MessagePumpMojo::RunState const&) const () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e341d8a4 in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e341d8f5 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e341d9d9 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fe2957fa700 (LWP 5931)):
#0  0x00007fe2de133809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4222 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4ad5 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e26956c1 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fe295ffb700 (LWP 5930)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e1d2420d in cc::SingleThreadTaskGraphRunner::Run() () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26c019e in base::DelegateSimpleThread::Run() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e26c02c0 in base::SimpleThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fe2967fc700 (LWP 5929)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4a45 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4b15 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e2695673 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fe296ffd700 (LWP 5928)):
#0  0x00007fe2e63fbc3d in write () at /lib64/libc.so.6
#1  0x00007fe2e637eab7 in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007fe2e637f3c8 in __GI__IO_file_xsputn () at /lib64/libc.so.6
#3  0x00007fe2e6354a65 in buffered_vfprintf () at /lib64/libc.so.6
#4  0x00007fe2e6351c15 in vfprintf () at /lib64/libc.so.6
#5  0x00007fe2e641bb19 in __fprintf_chk () at /lib64/libc.so.6
#6  0x00007fe2d7c9e86e in _warn_helper () at /lib64/libevent-2.0.so.5
#7  0x00007fe2d7c9ea64 in event_warn () at /lib64/libevent-2.0.so.5
#8  0x00007fe2d7ca31e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#9  0x00007fe2d7c8d18a in event_base_loop () at /lib64/libevent-2.0.so.5
#10 0x00007fe2e266b205 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe2e192ba28 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe2e192bb6b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#18 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fe2977fe700 (LWP 5927)):
#0  0x00007fe2e6419ee9 in __lll_unlock_wake_private () at /lib64/libc.so.6
#1  0x00007fe2e641bb6b in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe2d7c9e86e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe2d7c9ea64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe2d7ca31e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe2d7c8d18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe2e266b205 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e192b978 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e192bbcb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fe297fff700 (LWP 5926)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4a45 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4b15 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e2695673 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e192b8c8 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e192bbbb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fe2acff9700 (LWP 5925)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4a45 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4b15 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e2695673 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e192b818 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e192bbab in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fe2ad7fa700 (LWP 5924)):
#0  0x00007fe2e6419ebc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe2e641bac4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe2d7c9e86e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe2d7c9ea64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe2d7ca31e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe2d7c8d18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe2e266b14a in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e192b768 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e192bb9b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fe2adffb700 (LWP 5923)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4a45 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4b15 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e2695673 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e192b6b8 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e192bb8b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e26c0968 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fe2ae7fc700 (LWP 5922)):
#0  0x00007fe2de133809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4222 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26c3558 in base::PosixDynamicThreadPool::WaitForTask() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e26c3a8d in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe2aeffd700 (LWP 5921)):
#0  0x00007fe2de133809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4222 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26c3558 in base::PosixDynamicThreadPool::WaitForTask() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e26c3a8d in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe2af7fe700 (LWP 5920)):
#0  0x00007fe2de133460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe2e26b4a45 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe2e26b4b15 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe2e2695673 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe2affff700 (LWP 5919)):
#0  0x00007fe2e6419ebc in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe2e641bac4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe2d7c9e86e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe2d7c9ea64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe2d7ca31e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe2d7c8d18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe2e266b14a in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe2e26a78c4 in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe2e2691855 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe2e26c08ea in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe2e26bcc5c in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#12 0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe2bee5a700 (LWP 5912)):
#0  0x00007fe2d96ac542 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fe2d96ad07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe2e7205d8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe2e7014643 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe2ec0067a9 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007fe2e7018a1a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe2de12d6ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe2e640bf6f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe2ce630940 (LWP 5911)):
#0  0x00007fe2e640000d in poll () at /lib64/libc.so.6
#1  0x00007fe2c71957c9 in wl_display_poll () at /lib64/libwayland-client.so.0
#2  0x00007fe2c7196dac in wl_display_dispatch_queue () at /lib64/libwayland-client.so.0
#3  0x00007fe2c73b63ab in get_back_bo () at /lib64/libEGL.so.1
#4  0x00007fe2c73b66cc in update_buffers () at /lib64/libEGL.so.1
#5  0x00007fe2c73b67a4 in image_get_buffers () at /lib64/libEGL.so.1
#6  0x00007fe2c126f628 in intel_update_renderbuffers () at /usr/lib64/dri/i965_dri.so
#7  0x00007fe2c126f981 in intel_prepare_render () at /usr/lib64/dri/i965_dri.so
#8  0x00007fe2c124daf0 in brw_clear () at /usr/lib64/dri/i965_dri.so
#9  0x00007fe2e7736d4c in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) () at /lib64/libQt5Gui.so.5
#10 0x00007fe2e7a0d838 in QWidgetBackingStore::qt_flush(QWidget*, QRegion const&, QBackingStore*, QWidget*, QPoint const&, QPlatformTextureList*, QWidgetBackingStore*) () at /lib64/libQt5Widgets.so.5
#11 0x00007fe2e7a0edce in QWidgetBackingStore::flush(QWidget*) () at /lib64/libQt5Widgets.so.5
#12 0x00007fe2e7a10c02 in QWidgetBackingStore::doSync() () at /lib64/libQt5Widgets.so.5
#13 0x00007fe2e7a10dcf in QWidgetBackingStore::sync() () at /lib64/libQt5Widgets.so.5
#14 0x00007fe2e7a2fd1f in QWidgetPrivate::syncBackingStore() () at /lib64/libQt5Widgets.so.5
#15 0x00007fe2e7a47d08 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007fe2e7b467cb in QMainWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#17 0x00007fe2ea89f7b7 in KMainWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#18 0x00007fe2ea8e4365 in KXmlGuiWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#19 0x00007fe2e7a0096c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#20 0x00007fe2e7a08111 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#21 0x00007fe2e71b812a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007fe2e71ba800 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#23 0x00007fe2e7205cf3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#24 0x00007fe2d96ace42 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#25 0x00007fe2d96ad1c0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#26 0x00007fe2d96ad26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#27 0x00007fe2e7205d6f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#28 0x00007fe2e71b70ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#29 0x00007fe2e71bebac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#30 0x00005566943e146f in main ()

Reported using DrKonqi
Comment 1 Laurent Montel 2016-11-25 06:20:58 UTC
it seems to have a bug with qtwebengine + wayland
https://bugreports.qt.io/browse/QTBUG-54038
Comment 2 Denis Kurz 2017-06-23 23:13:26 UTC
I close as upstream. The Qt bug is closed by now. If the problem persists with kontact, it might not be an upstream problem. Please tell me so and I'll reopen.