https://bugs.kde.org/show_bug.cgi?id=369204

            Bug ID: 369204
           Summary: Akregator random crashes
           Product: akregator
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs@kde.org
          Reporter: nicolas.ducl...@estaca.eu

Application: akregator (5.3.0 (QtWebEngine))

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.7.3-200.fc24.x86_64 x86_64
Distribution: "Fedora release 24 (Twenty Four)"

-- Information about the crash:
Akregator crashed every time I use it. The time before the crashed is between 1
and 5 minutes.
Sometimes, just after choosing between a session restore or a new one,
sometimes when it fetches feeds and sometimes when I read an article.
This happens since the upgrade to the 16.08.1 version.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5d0dd2b940 (LWP 2098))]

Thread 24 (Thread 0x7f5cb99da700 (LWP 2130)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d1c04bbc4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2  0x00007f5d1c04bc09 in  () at /lib64/libQt5Script.so.5
#3  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7f5cba7fc700 (LWP 2123)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bbaeb90 in mojo::system::Waiter::Wait(unsigned long, unsigned
int*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bb9a48c 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  0x00007f5d2bb9a98c in
mojo::system::Core::WaitMany(mojo::system::UserPointer<unsigned int const>,
mojo::system::UserPointer<unsigned int const>, unsigned int, unsigned long,
mojo::system::UserPointer<unsigned int>,
mojo::system::UserPointer<MojoHandleSignalsState>) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bb96de5 in MojoWaitMany () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2d210e47 in
mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState
const&, bool) () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2d21107e in
mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*,
base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2d2111b9 in
mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#13 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7f5cbaffd700 (LWP 2122)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc9ee79 in
base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*)
() at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc9f540 in base::SequencedWorkerPool::Worker::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc9f710 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7f5cbb7fe700 (LWP 2121)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc9ee79 in
base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*)
() at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc9f540 in base::SequencedWorkerPool::Worker::Run() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc9f710 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7f5cbbfff700 (LWP 2120)):
#0  0x00007f5d30a833ed in poll () at /lib64/libc.so.6
#1  0x00007f5d2559da06 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f5d2559db1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f5d3188924b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f5d318385ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f5d31697343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5d3169b99a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#7  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7f5cc8ff9700 (LWP 2119)):
#0  0x00007f5d309d7f4d in vfprintf () at /lib64/libc.so.6
#1  0x00007f5d30a9e506 in __vsnprintf_chk () at /lib64/libc.so.6
#2  0x00007f5d1bc9ac13 in evutil_vsnprintf () at /lib64/libevent-2.0.so.5
#3  0x00007f5d1bc9acaf in evutil_snprintf () at /lib64/libevent-2.0.so.5
#4  0x00007f5d1bc9984c in _warn_helper () at /lib64/libevent-2.0.so.5
#5  0x00007f5d1bc99a94 in event_warn () at /lib64/libevent-2.0.so.5
#6  0x00007f5d1bc9e0d8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#7  0x00007f5d1bc880e0 in event_base_loop () at /lib64/libevent-2.0.so.5
#8  0x00007f5d2bc4f2da in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f5cc97fa700 (LWP 2118)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f5cc9ffb700 (LWP 2117)):
#0  0x00007f5d30a7f04d in read () at /lib64/libc.so.6
#1  0x00007f5d126dfb31 in pa_read () at
/usr/lib64/pulseaudio/libpulsecommon-8.0.so
#2  0x00007f5d20debd7e in pa_mainloop_prepare () at /lib64/libpulse.so.0
#3  0x00007f5d20dec7f0 in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007f5d20dec8b0 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007f5d20dfa8c9 in thread () at /lib64/libpulse.so.0
#6  0x00007f5d1270d18b in internal_thread_func () at
/usr/lib64/pulseaudio/libpulsecommon-8.0.so
#7  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f5cca7fc700 (LWP 2116)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f5ccaffd700 (LWP 2115)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2b53a989 in cc::TaskGraphRunner::Run() () at
/lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc9f710 in base::SimpleThread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f5ccb7fe700 (LWP 2114)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f5ccbfff700 (LWP 2113)):
#0  0x00007f5d30a9cd0c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5d30a9e7c4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f5d1bc9989e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f5d1bc99a94 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f5d1bc9e0d8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f5d1bc880e0 in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f5d2bc4f22e in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2b1974b8 in
content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d2b19761b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f5ce8ff9700 (LWP 2112)):
#0  0x00007f5d30a9cd0c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5d30a9e7c4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f5d1bc9989e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f5d1bc99a94 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f5d1bc9e0d8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f5d1bc880e0 in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f5d2bc4f2da in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2b197408 in
content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d2b19767b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f5ce97fa700 (LWP 2111)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2b197358 in
content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2b19766b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f5ce9ffb700 (LWP 2110)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2b1972a8 in
content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2b19765b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f5cea7fc700 (LWP 2109)):
#0  0x00007f5d30a7f0ad in write () at /lib64/libc.so.6
#1  0x00007f5d30a02b7f in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007f5d30a03304 in __GI__IO_file_xsputn () at /lib64/libc.so.6
#3  0x00007f5d309da154 in buffered_vfprintf () at /lib64/libc.so.6
#4  0x00007f5d309d766d in vfprintf () at /lib64/libc.so.6
#5  0x00007f5d30a9e819 in __fprintf_chk () at /lib64/libc.so.6
#6  0x00007f5d1bc9989e in _warn_helper () at /lib64/libevent-2.0.so.5
#7  0x00007f5d1bc99a94 in event_warn () at /lib64/libevent-2.0.so.5
#8  0x00007f5d1bc9e0d8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#9  0x00007f5d1bc880e0 in event_base_loop () at /lib64/libevent-2.0.so.5
#10 0x00007f5d2bc4f22e in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#12 0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#13 0x00007f5d2b1971f8 in
content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#14 0x00007f5d2b19764b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#15 0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#16 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#17 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#18 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f5ceaffd700 (LWP 2108)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2b197148 in
content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2b19763b in content::BrowserThreadImpl::Run(base::MessageLoop*)
() at /lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc9fc88 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f5ceb7fe700 (LWP 2107)):
#0  0x00007f5d26797f79 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94102 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bca2aa1 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bca2fcd in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f5cebfff700 (LWP 2106)):
#0  0x00007f5d26797f79 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94102 in base::ConditionVariable::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bca2aa1 in base::PosixDynamicThreadPool::WaitForTask() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bca2fcd in base::(anonymous
namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f5cf8d43700 (LWP 2105)):
#0  0x00007f5d26797bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5d2bc94925 in base::WaitableEvent::TimedWait(base::TimeDelta
const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007f5d2bc94a04 in base::WaitableEvent::Wait() () at
/lib64/libQt5WebEngineCore.so.5
#3  0x00007f5d2bc75c73 in
base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#4  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#5  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#6  0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5cf9544700 (LWP 2104)):
#0  0x00007f5d30a9cd0c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007f5d30a9e7c4 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007f5d1bc9989e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007f5d1bc99a94 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007f5d1bc9e0d8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007f5d1bc880e0 in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007f5d2bc4f22e in
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at
/lib64/libQt5WebEngineCore.so.5
#7  0x00007f5d2bc870f4 in base::RunLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#8  0x00007f5d2bc71f35 in base::MessageLoop::Run() () at
/lib64/libQt5WebEngineCore.so.5
#9  0x00007f5d2bc9fc06 in base::Thread::ThreadMain() () at
/lib64/libQt5WebEngineCore.so.5
#10 0x00007f5d2bc9c0fd in base::(anonymous namespace)::ThreadFunc(void*) () at
/lib64/libQt5WebEngineCore.so.5
#11 0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#12 0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5cfbc4c700 (LWP 2100)):
#0  0x00007f5d2559cf4c in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007f5d2559d92b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f5d2559db1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f5d3188924b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f5d318385ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f5d31697343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5d3740b559 in QDBusConnectionManager::run() () at
/lib64/libQt5DBus.so.5
#7  0x00007f5d3169b99a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5d04bee700 (LWP 2099)):
#0  0x00007f5d30a833ed in poll () at /lib64/libc.so.6
#1  0x00007f5d21225f80 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f5d21227b79 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f5d0716dda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f5d3169b99a in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007f5d267925ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5d30a8ef6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5d0dd2b940 (LWP 2098)):
[KCrash Handler]
#6  0x00007f5cff3fa719 in nouveau_fence_trigger_work () at
/usr/lib64/dri/nouveau_dri.so
#7  0x00007f5cff3fa96e in nouveau_fence_update () at
/usr/lib64/dri/nouveau_dri.so
#8  0x00007f5cff49a5cf in nv50_default_kick_notify () at
/usr/lib64/dri/nouveau_dri.so
#9  0x00007f5cfeafad5c in pushbuf_submit.isra () at /lib64/libdrm_nouveau.so.2
#10 0x00007f5cfeafb00f in pushbuf_flush () at /lib64/libdrm_nouveau.so.2
#11 0x00007f5cfeafbbc0 in nouveau_pushbuf_kick () at /lib64/libdrm_nouveau.so.2
#12 0x00007f5cff49aae6 in nv50_flush () at /usr/lib64/dri/nouveau_dri.so
#13 0x00007f5cff0f9a44 in st_glFlush () at /usr/lib64/dri/nouveau_dri.so
#14 0x00007f5cfefad6d8 in _mesa_make_current () at
/usr/lib64/dri/nouveau_dri.so
#15 0x00007f5cff13213b in st_api_make_current () at
/usr/lib64/dri/nouveau_dri.so
#16 0x00007f5cff27aa2f in dri_unbind_context () at
/usr/lib64/dri/nouveau_dri.so
#17 0x00007f5cff27a4da in driUnbindContext () at /usr/lib64/dri/nouveau_dri.so
#18 0x00007f5d26534c05 in glXMakeCurrentReadSGI () at /lib64/libGL.so.1
#19 0x00007f5d3755e140 in QGLXContext::makeCurrent(QPlatformSurface*) () at
/usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#20 0x00007f5d31bad5b8 in QOpenGLContext::makeCurrent(QSurface*) () at
/lib64/libQt5Gui.so.5
#21 0x00007f5d322a49d1 in QOpenGLWidget::makeCurrent() () at
/lib64/libQt5Widgets.so.5
#22 0x00007f5d322a4b65 in QOpenGLWidgetPrivate::render() () at
/lib64/libQt5Widgets.so.5
#23 0x00007f5d32284940 in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#24 0x00007f5d2e593f4e in
QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () at
/lib64/libQt5WebEngineWidgets.so.5
#25 0x00007f5d3223ec0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#26 0x00007f5d322440ef in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#27 0x00007f5d318397aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#28 0x00007f5d3227d6ea in QWidgetPrivate::sendPaintEvent(QRegion const&) () at
/lib64/libQt5Widgets.so.5
#29 0x00007f5d3224c5d6 in QWidgetBackingStore::doSync() () at
/lib64/libQt5Widgets.so.5
#30 0x00007f5d3224d151 in QWidgetBackingStore::sync() () at
/lib64/libQt5Widgets.so.5
#31 0x00007f5d3226cbef in QWidgetPrivate::syncBackingStore() () at
/lib64/libQt5Widgets.so.5
#32 0x00007f5d32284a18 in QWidget::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#33 0x00007f5d3239e57b in QMainWindow::event(QEvent*) () at
/lib64/libQt5Widgets.so.5
#34 0x00007f5d34d71917 in KMainWindow::event(QEvent*) () at
/lib64/libKF5XmlGui.so.5
#35 0x00007f5d34db6835 in KXmlGuiWindow::event(QEvent*) () at
/lib64/libKF5XmlGui.so.5
#36 0x00007f5d3223ec0c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#37 0x00007f5d322440ef in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#38 0x00007f5d318397aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#39 0x00007f5d3183b84f in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /lib64/libQt5Core.so.5
#40 0x00007f5d318891b3 in postEventSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#41 0x00007f5d2559d6ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#42 0x00007f5d2559da70 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#43 0x00007f5d2559db1c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#44 0x00007f5d3188922f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#45 0x00007f5d318385ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#46 0x00007f5d3184017c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#47 0x0000555d96311d16 in main ()

Possible duplicates by query: bug 369162.

Reported using DrKonqi

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