Bug 383103

Summary: Akregator crashed while using VirtualBox within KDE Plasma
Product: [Applications] akregator Reporter: opensuse.lietuviu.kalba
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: 5.5.2   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description opensuse.lietuviu.kalba 2017-08-04 07:36:30 UTC 
Application: akregator (5.5.2)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.76-1-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- What I was doing when the application crashed:
I was entensively using VirtualBox program within KDE Plasma 5.8

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcb1fb98940 (LWP 18605))]

Thread 22 (Thread 0x7fca88fbd700 (LWP 18642)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df37189 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df3794d in base::SequencedWorkerPool::Worker::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df38170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb1607a744 in start_thread (arg=0x7fca88fbd700) at pthread_create.c:334
#6  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fca8aecf700 (LWP 18637)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0aa1993b in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7fcb0acffea0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fcb0aa19969 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fcb1607a744 in start_thread (arg=0x7fca8aecf700) at pthread_create.c:334
#4  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fca8bfff700 (LWP 18628)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0dd92d10 in mojo::system::Waiter::Wait(unsigned long, unsigned int*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0dd807bb in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0dd80a35 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 /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0dd7d327 in MojoWaitMany () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0f6581ca in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0f6584e1 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0f6585d2 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fcb1607a744 in start_thread (arg=0x7fca8bfff700) at pthread_create.c:334
#13 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fca90d80700 (LWP 18627)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df37189 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df3794d in base::SequencedWorkerPool::Worker::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df38170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb1607a744 in start_thread (arg=0x7fca90d80700) at pthread_create.c:334
#6  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fcac9ffb700 (LWP 18626)):
#0  0x00007fcb1ba8228d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcb15659750 in read (__nbytes=16, __buf=0x7fcac9ffaa90, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  0x00007fcb15659750 in g_wakeup_acknowledge (wakeup=0x7fcaec0025a0) at gwakeup.c:210
#3  0x00007fcb15618e49 in g_main_context_check (context=context@entry=0x7fca8c000990, max_priority=2147483647, fds=fds@entry=0x7fca8c002e70, n_fds=n_fds@entry=1) at gmain.c:3632
#4  0x00007fcb156192a8 in g_main_context_iterate (context=context@entry=0x7fca8c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3837
#5  0x00007fcb1561942c in g_main_context_iteration (context=0x7fca8c000990, may_block=1) at gmain.c:3901
#6  0x00007fcb1c3931ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fca8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#7  0x00007fcb1c340bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcac9ffac90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#8  0x00007fcb1c17bf5a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#9  0x00007fcb1c180a29 in QThreadPrivate::start(void*) (arg=0x1563f80) at thread/qthread_unix.cpp:365
#10 0x00007fcb1607a744 in start_thread (arg=0x7fcac9ffb700) at pthread_create.c:334
#11 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fcaca7fc700 (LWP 18625)):
#0  0x00007fcb1ba8620d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcb05cdd0a1 in poll (__timeout=-1, __nfds=3, __fds=0x7fca98006c50) at /usr/include/bits/poll2.h:46
#2  0x00007fcb05cdd0a1 in poll_func (ufds=0x7fca98006c50, nfds=3, timeout=-1, userdata=0x151db70) at pulse/thread-mainloop.c:69
#3  0x00007fcb05cce76c in pa_mainloop_poll (m=m@entry=0x1546d70) at pulse/mainloop.c:844
#4  0x00007fcb05ccedde in pa_mainloop_iterate (m=m@entry=0x1546d70, block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:926
#5  0x00007fcb05ccee90 in pa_mainloop_run (m=0x1546d70, retval=retval@entry=0x0) at pulse/mainloop.c:944
#6  0x00007fcb05cdd006 in thread (userdata=0x14d58b0) at pulse/thread-mainloop.c:100
#7  0x00007fcb0082f408 in internal_thread_func (userdata=0x151de50) at pulsecore/thread-posix.c:81
#8  0x00007fcb1607a744 in start_thread (arg=0x7fcaca7fc700) at pthread_create.c:334
#9  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fcacaffd700 (LWP 18624)):
#0  0x00007fcb1ba9aeab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fcb1ba9ca46 in ___fprintf_chk (fp=0x7fcb1bd44740 <_IO_stdfile_2_lock>, flag=1, format=0x7fcb03f4e791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fcb03f36fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fcb03f371b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fcb03f3b468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fcb03f27477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fcb0deed8e1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fcb1607a744 in start_thread (arg=0x7fcacaffd700) at pthread_create.c:334
#12 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fcacb7fe700 (LWP 18623)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb1607a744 in start_thread (arg=0x7fcacb7fe700) at pthread_create.c:334
#9  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fcad0ff9700 (LWP 18622)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb1607a744 in start_thread (arg=0x7fcad0ff9700) at pthread_create.c:334
#9  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fcad17fa700 (LWP 18621)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0d933979 in cc::TaskGraphRunner::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df38170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb1607a744 in start_thread (arg=0x7fcad17fa700) at pthread_create.c:334
#5  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fcad1ffb700 (LWP 18620)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb1607a744 in start_thread (arg=0x7fcad1ffb700) at pthread_create.c:334
#9  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fcad27fc700 (LWP 18619)):
#0  0x00007fcb1ba9aeab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fcb1ba9ca46 in ___fprintf_chk (fp=0x7fcb1bd44740 <_IO_stdfile_2_lock>, flag=1, format=0x7fcb03f4e791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fcb03f36fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fcb03f371b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fcb03f3b468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fcb03f27477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fcb0deed84e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0d5c5c95 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb0d5c5dab in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fcb1607a744 in start_thread (arg=0x7fcad27fc700) at pthread_create.c:334
#14 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fcad2ffd700 (LWP 18618)):
#0  0x00007fcb1ba822ed in write () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcb1ba18840 in _IO_new_file_write (f=0x7fcb1bd43060 <_IO_2_1_stderr_>, data=0x7fcad2ff9b80, n=46) at fileops.c:1263
#2  0x00007fcb1ba17e63 in new_do_write (fp=fp@entry=0x7fcb1bd43060 <_IO_2_1_stderr_>, data=data@entry=0x7fcad2ff9b80 "[warn] epoll_wait: Blogas failo deskriptorius\n", to_do=to_do@entry=46) at fileops.c:518
#3  0x00007fcb1ba18e46 in _IO_new_file_xsputn (f=0x7fcb1bd43060 <_IO_2_1_stderr_>, data=<optimized out>, n=46) at fileops.c:1342
#4  0x00007fcb1b9efb1b in buffered_vfprintf (s=s@entry=0x7fcb1bd43060 <_IO_2_1_stderr_>, format=format@entry=0x7fcb03f4e791 "[%s] %s\n", args=args@entry=0x7fcad2ffc158) at vfprintf.c:2367
#5  0x00007fcb1b9ece8e in _IO_vfprintf_internal (s=s@entry=0x7fcb1bd43060 <_IO_2_1_stderr_>, format=0x7fcb03f4e791 "[%s] %s\n", ap=ap@entry=0x7fcad2ffc158) at vfprintf.c:1292
#6  0x00007fcb1ba9caa3 in ___fprintf_chk (fp=0x7fcb1bd43060 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007fcb03f36fdf in  () at /usr/lib64/libevent-2.0.so.5
#8  0x00007fcb03f371b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#9  0x00007fcb03f3b468 in  () at /usr/lib64/libevent-2.0.so.5
#10 0x00007fcb03f27477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#11 0x00007fcb0deed8e1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007fcb0d5c5c15 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007fcb0d5c5e0b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007fcb1607a744 in start_thread (arg=0x7fcad2ffd700) at pthread_create.c:334
#19 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fcad37fe700 (LWP 18617)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0d5c5b95 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0d5c5dfb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb1607a744 in start_thread (arg=0x7fcad37fe700) at pthread_create.c:334
#11 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fcad3fff700 (LWP 18616)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0d5c5b15 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0d5c5deb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb1607a744 in start_thread (arg=0x7fcad3fff700) at pthread_create.c:334
#11 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fcacbfff700 (LWP 18615)):
#0  0x00007fcb1ba9aeab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fcb1ba9ca46 in ___fprintf_chk (fp=0x7fcb1bd44740 <_IO_stdfile_2_lock>, flag=1, format=0x7fcb03f4e791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fcb03f36fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fcb03f371b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fcb03f3b468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fcb03f27477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fcb0deed8e1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0d5c5a95 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb0d5c5ddb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fcb1607a744 in start_thread (arg=0x7fcacbfff700) at pthread_create.c:334
#14 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fcae8ebe700 (LWP 18614)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0d5c5a15 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0d5c5dcb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb1607a744 in start_thread (arg=0x7fcae8ebe700) at pthread_create.c:334
#11 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fcaea6c1700 (LWP 18611)):
#0  0x00007fcb1607f0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcb0df2dcbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fcb0df2dd94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fcb0df1062b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb1607a744 in start_thread (arg=0x7fcaea6c1700) at pthread_create.c:334
#9  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fcaeb0cf700 (LWP 18610)):
#0  0x00007fcb1ba9aeab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fcb1ba9ca46 in ___fprintf_chk (fp=0x7fcb1bd44740 <_IO_stdfile_2_lock>, flag=1, format=0x7fcb03f4e791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fcb03f36fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fcb03f371b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fcb03f3b468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fcb03f27477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fcb0deed84e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fcb0df20c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fcb0df0c6b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fcb0df384f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fcb0df34ece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fcb1607a744 in start_thread (arg=0x7fcaeb0cf700) at pthread_create.c:334
#12 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fcaf2253700 (LWP 18607)):
#0  0x00007fcb1ba8620d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcb15619314 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fcaec00ee40, timeout=-1, context=0x7fcaec000990) at gmain.c:4135
#2  0x00007fcb15619314 in g_main_context_iterate (context=context@entry=0x7fcaec000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fcb1561942c in g_main_context_iteration (context=0x7fcaec000990, may_block=1) at gmain.c:3901
#4  0x00007fcb1c3931ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcaec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fcb1c340bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcaf2252c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#6  0x00007fcb1c17bf5a in QThread::exec() (this=this@entry=0x7fcb1df6dce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#7  0x00007fcb1dd04295 in QDBusConnectionManager::run() (this=0x7fcb1df6dce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#8  0x00007fcb1c180a29 in QThreadPrivate::start(void*) (arg=0x7fcb1df6dce0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:365
#9  0x00007fcb1607a744 in start_thread (arg=0x7fcaf2253700) at pthread_create.c:334
#10 0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fcaf9da6700 (LWP 18606)):
#0  0x00007fcb1ba8620d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fcb13c653e2 in poll (__timeout=-1, __nfds=1, __fds=0x7fcaf9da5b80) at /usr/include/bits/poll2.h:46
#2  0x00007fcb13c653e2 in _xcb_conn_wait (c=c@entry=0x10ace80, cond=cond@entry=0x10acec0, vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
#3  0x00007fcb13c66fcf in xcb_wait_for_event (c=0x10ace80) at xcb_in.c:693
#4  0x00007fcafbcae0d9 in QXcbEventReader::run() (this=0x10b7550) at qxcbconnection.cpp:1331
#5  0x00007fcb1c180a29 in QThreadPrivate::start(void*) (arg=0x10b7550) at thread/qthread_unix.cpp:365
#6  0x00007fcb1607a744 in start_thread (arg=0x7fcaf9da6700) at pthread_create.c:334
#7  0x00007fcb1ba8eaad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fcb1fb98940 (LWP 18605)):
[KCrash Handler]
#6  0x00007fcb1c86879f in QHash<QObject*, unsigned int>::value(QObject* const&) const (akey=<synthetic pointer>: <optimized out>, this=0x20) at ../../src/corelib/tools/qhash.h:592
#7  0x00007fcb1c86879f in QAccessible::queryAccessibleInterface(QObject*) (object=0x14ddf90) at accessible/qaccessible.cpp:669
#8  0x00007fcb1c8692a3 in QAccessibleEvent::accessibleInterface() const (this=0x7ffe8277b250) at accessible/qaccessible.cpp:1760
#9  0x00007fcb1c8696df in QAccessible::updateAccessibility(QAccessibleEvent*) (event=0x7ffe8277b250) at accessible/qaccessible.cpp:855
#10 0x00007fcb1d0787bc in QWidget::changeEvent(QEvent*) (this=<optimized out>, event=<optimized out>) at kernel/qwidget.cpp:9211
#11 0x00007fcb1d084c46 in QWidget::event(QEvent*) (this=this@entry=0x14ddf90, event=0x7ffe8277b5a0) at kernel/qwidget.cpp:9053
#12 0x00007fcb1d13cd04 in QAbstractButton::event(QEvent*) (this=this@entry=0x14ddf90, e=e@entry=0x7ffe8277b5a0) at widgets/qabstractbutton.cpp:959
#13 0x00007fcb1d2003c9 in QToolButton::event(QEvent*) (this=0x14ddf90, event=0x7ffe8277b5a0) at widgets/qtoolbutton.cpp:977
#14 0x00007fcb1d04328c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x14ddf90, e=0x7ffe8277b5a0) at kernel/qapplication.cpp:3804
#15 0x00007fcb1d0478ea in QApplication::notify(QObject*, QEvent*) (this=0x7ffe8277cc90, receiver=0x14ddf90, e=0x7ffe8277b5a0) at kernel/qapplication.cpp:3561
#16 0x00007fcb1c342be5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=receiver@entry=0x14ddf90, event=event@entry=0x7ffe8277b5a0) at kernel/qcoreapplication.cpp:1015
#17 0x00007fcb1d07fd41 in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7ffe8277b5a0, receiver=0x14ddf90) at ../../src/corelib/kernel/qcoreapplication.h:225
#18 0x00007fcb1d07fd41 in QWidgetPrivate::setEnabled_helper(bool) (this=<optimized out>, enable=false) at kernel/qwidget.cpp:3460
#19 0x00007fcb1d07fe5f in QWidget::setEnabled(bool) (this=this@entry=0x14ddf90, enable=<optimized out>) at kernel/qwidget.cpp:3401
#20 0x00007fcb1d1ffb19 in QToolButton::setDefaultAction(QAction*) (this=0x14ddf90, action=action@entry=0x150b180) at widgets/qtoolbutton.cpp:933
#21 0x00007fcb1d1ffeb9 in QToolButton::actionEvent(QActionEvent*) (this=0x14ddf90, event=0x7ffe8277b9a0) at widgets/qtoolbutton.cpp:462
#22 0x00007fcb1d0853d5 in QWidget::event(QEvent*) (this=this@entry=0x14ddf90, event=0x7ffe8277b9a0) at kernel/qwidget.cpp:9117
#23 0x00007fcb1d13cd04 in QAbstractButton::event(QEvent*) (this=this@entry=0x14ddf90, e=e@entry=0x7ffe8277b9a0) at widgets/qabstractbutton.cpp:959
#24 0x00007fcb1d2003c9 in QToolButton::event(QEvent*) (this=0x14ddf90, event=0x7ffe8277b9a0) at widgets/qtoolbutton.cpp:977
#25 0x00007fcb1d04328c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x14ddf90, e=0x7ffe8277b9a0) at kernel/qapplication.cpp:3804
#26 0x00007fcb1d0478ea in QApplication::notify(QObject*, QEvent*) (this=0x7ffe8277cc90, receiver=0x14ddf90, e=0x7ffe8277b9a0) at kernel/qapplication.cpp:3561
#27 0x00007fcb1c342be5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x14ddf90, event=event@entry=0x7ffe8277b9a0) at kernel/qcoreapplication.cpp:1015
#28 0x00007fcb1d03bcb6 in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7ffe8277b9a0, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:225
#29 0x00007fcb1d03bcb6 in QActionPrivate::sendDataChanged() (this=this@entry=0x150b320) at kernel/qaction.cpp:107
#30 0x00007fcb1d03caf9 in QAction::setEnabled(bool) (this=<optimized out>, b=<optimized out>) at kernel/qaction.cpp:1032
#31 0x00007fcaf0d6f052 in Akregator::MainWidget::slotFetchingStopped() () at /usr/lib64/qt5/plugins/akregatorpart.so
#32 0x00007fcb1c36cde3 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe8277baf0, r=0x157e160, this=0x14e8860) at ../../src/corelib/kernel/qobject_impl.h:124
#33 0x00007fcb1c36cde3 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x158bc70, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3715
#34 0x00007fcb1f3be4ac in Akregator::FetchQueue::~FetchQueue() () at /usr/lib64/libakregatorprivate.so.5
#35 0x00007fcb1f3be4f9 in Akregator::FetchQueue::~FetchQueue() () at /usr/lib64/libakregatorprivate.so.5
#36 0x00007fcb1f3bd659 in Akregator::Kernel::~Kernel() () at /usr/lib64/libakregatorprivate.so.5
#37 0x00007fcb1b9dc139 in __run_exit_handlers (status=status@entry=1, listp=0x7fcb1bd425a0 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#38 0x00007fcb1b9dc185 in __GI_exit (status=status@entry=1) at exit.c:104
#39 0x00007fcaf855b021 in do_flush_locked (brw=0xa019c20) at intel_batchbuffer.c:375
#40 0x00007fcaf855b021 in _intel_batchbuffer_flush (brw=brw@entry=0xa019c20, file=file@entry=0x7fcaf875889f "intel_screen.c", line=line@entry=189) at intel_batchbuffer.c:422
#41 0x00007fcaf856a42d in intel_dri2_flush_with_flags (cPriv=<optimized out>, dPriv=0x14c0960, flags=<optimized out>, reason=__DRI2_THROTTLE_SWAPBUFFER) at intel_screen.c:189
#42 0x00007fcb14f05d60 in loader_dri3_swap_buffers_msc (draw=0xcae2c68, target_msc=0, divisor=0, remainder=0, flush_flags=3, force_copy=<optimized out>) at loader_dri3_helper.c:641
#43 0x00007fcaf939e2ba in QGLXContext::swapBuffers(QPlatformSurface*) (this=0x17872e0, surface=0x1561e60) at qglxintegration.cpp:535
#44 0x00007fcb1c8c7e19 in QOpenGLContext::swapBuffers(QSurface*) (this=this@entry=0x81047e0, surface=surface@entry=0x1527c90) at kernel/qopenglcontext.cpp:1059
#45 0x00007fcb1cb14c6b in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=this@entry=0x15b7c50, window=window@entry=0x1527c80, region=..., offset=..., textures=textures@entry=0x82b8150, context=context@entry=0x81047e0, translucentBackground=translucentBackground@entry=false) at painting/qplatformbackingstore.cpp:408
#46 0x00007fcb1cb15589 in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=this@entry=0x15b7c50, window=window@entry=0x1527c80, region=..., offset=..., textures=0x82b8150, context=0x81047e0, translucentBackground=translucentBackground@entry=false) at painting/qplatformbackingstore.cpp:409
#47 0x00007fcafbcc8469 in QXcbBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=0x15b7c50, window=0x1527c80, region=..., offset=..., textures=<optimized out>, context=<optimized out>, translucentBackground=false) at qxcbbackingstore.cpp:417
#48 0x00007fcb1d04ce9e in QWidgetBackingStore::qt_flush(QWidget*, QRegion const&, QBackingStore*, QWidget*, QPoint const&, QPlatformTextureList*, QWidgetBackingStore*) (widget=0x1266410, region=..., backingStore=<optimized out>, tlw=<optimized out>, tlwOffset=..., widgetTextures=<optimized out>, widgetBackingStore=0x15b7d40) at kernel/qwidgetbackingstore.cpp:134
#49 0x00007fcb1d04dc6b in QWidgetBackingStore::flush(QWidget*) (this=this@entry=0x15b7d40, widget=widget@entry=0x0) at kernel/qwidgetbackingstore.cpp:1413
#50 0x00007fcb1d04f882 in QWidgetBackingStore::endPaint(QRegion const&, QBackingStore*, BeginPaintInfo*) (beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=..., this=0x15b7d40) at kernel/qwidgetbackingstore.cpp:355
#51 0x00007fcb1d04f882 in QWidgetBackingStore::doSync() (this=this@entry=0x15b7d40) at kernel/qwidgetbackingstore.cpp:1397
#52 0x00007fcb1d050a39 in QWidgetBackingStore::sync() (this=0x15b7d40) at kernel/qwidgetbackingstore.cpp:1173
#53 0x00007fcb1d0703cf in QWidgetPrivate::syncBackingStore() (this=this@entry=0x1266750) at kernel/qwidget.cpp:1947
#54 0x00007fcb1d084dc5 in QWidget::event(QEvent*) (this=this@entry=0x1266410, event=event@entry=0x78252f0) at kernel/qwidget.cpp:9056
#55 0x00007fcb1d19675b in QMainWindow::event(QEvent*) (this=0x1266410, event=0x78252f0) at widgets/qmainwindow.cpp:1543
#56 0x00007fcb1e734097 in KMainWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#57 0x00007fcb1e770c85 in KXmlGuiWindow::event(QEvent*) () at /usr/lib64/libKF5XmlGui.so.5
#58 0x00007fcb1d04328c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x1266410, e=0x78252f0) at kernel/qapplication.cpp:3804
#59 0x00007fcb1d0478ea in QApplication::notify(QObject*, QEvent*) (this=0x7ffe8277cc90, receiver=0x1266410, e=0x78252f0) at kernel/qapplication.cpp:3561
#60 0x00007fcb1c342be5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x1266410, event=event@entry=0x78252f0) at kernel/qcoreapplication.cpp:1015
#61 0x00007fcb1c3449ca in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x78252f0, receiver=<optimized out>) at kernel/qcoreapplication.h:225
#62 0x00007fcb1c3449ca in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1097990) at kernel/qcoreapplication.cpp:1650
#63 0x00007fcb1c344f78 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#64 0x00007fcb1c393b03 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x10d4980) at kernel/qeventdispatcher_glib.cpp:270
#65 0x00007fcb15619134 in g_main_dispatch (context=0x7fcaf40016f0) at gmain.c:3154
#66 0x00007fcb15619134 in g_main_context_dispatch (context=context@entry=0x7fcaf40016f0) at gmain.c:3769
#67 0x00007fcb15619388 in g_main_context_iterate (context=context@entry=0x7fcaf40016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#68 0x00007fcb1561942c in g_main_context_iteration (context=0x7fcaf40016f0, may_block=1) at gmain.c:3901
#69 0x00007fcb1c39318c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x10f7290, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#70 0x00007fcb1c340bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe8277ca60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#71 0x00007fcb1c348ae6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1285
#72 0x0000000000409169 in  ()
#73 0x00007fcb1b9c56e5 in __libc_start_main (main=0x408c00, argc=1, argv=0x7ffe8277cde8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe8277cdd8) at libc-start.c:289
#74 0x0000000000409309 in _start ()

Possible duplicates by query: bug 373748.

Reported using DrKonqi
Comment 1 opensuse.lietuviu.kalba 2017-08-04 07:38:44 UTC 
Before that, KDE Plasma hanged and crashed some time before
Comment 2 Christoph Feck 2017-08-07 22:42:18 UTC 
Bug is in the intel video drivers. The function do_flush_locked() called from _intel_batchbuffer_flush() exits unexpectedly. Please report this issue directly to https://bugs.freedesktop.org/