Bug 383241

Summary: Plasma hang and notified about crash after pressing arrow in Firefox
Product: [Applications] akregator Reporter: opensuse.lietuviu.kalba
Component: generalAssignee: kdepim bugs <pim-bugs-null>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.5.2   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description opensuse.lietuviu.kalba 2017-08-07 17:22:51 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 edited ritch text (with images) in Firefox. I pressed arrow key  (in keyboard) to move to right. For few seconds compures no longe responded to anything, all animations stopped, only mouse cursor can be moved. After few seconds computer started to respond. After that I get plasma notification about this crash.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdfc1f95940 (LWP 4326))]

Thread 21 (Thread 0x7fdf26a7c700 (LWP 4364)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb032e189 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb032e94d in base::SequencedWorkerPool::Worker::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb032f170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb8477744 in start_thread (arg=0x7fdf26a7c700) at pthread_create.c:334
#6  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fdf2727d700 (LWP 4363)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb032e189 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb032e94d in base::SequencedWorkerPool::Worker::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb032f170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb8477744 in start_thread (arg=0x7fdf2727d700) at pthread_create.c:334
#6  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fdf350dd700 (LWP 4358)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdface1093b in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7fdfad0f6ea0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fdface10969 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fdfb8477744 in start_thread (arg=0x7fdf350dd700) at pthread_create.c:334
#4  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fdf3620d700 (LWP 4349)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0189d10 in mojo::system::Waiter::Wait(unsigned long, unsigned int*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb01777bb 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  0x00007fdfb0177a35 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  0x00007fdfb0174327 in MojoWaitMany () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb1a4f1ca in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfb1a4f4e1 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb1a4f5d2 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fdfb8477744 in start_thread (arg=0x7fdf3620d700) at pthread_create.c:334
#13 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fdf36f12700 (LWP 4348)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb032e189 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb032e94d in base::SequencedWorkerPool::Worker::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb032f170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb8477744 in start_thread (arg=0x7fdf36f12700) at pthread_create.c:334
#6  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fdf5cff9700 (LWP 4347)):
#0  0x00007fdfbde8320d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdfb7a16314 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fdf28002e70, timeout=-1, context=0x7fdf28000990) at gmain.c:4135
#2  0x00007fdfb7a16314 in g_main_context_iterate (context=context@entry=0x7fdf28000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fdfb7a1642c in g_main_context_iteration (context=0x7fdf28000990, may_block=1) at gmain.c:3901
#4  0x00007fdfbe7901ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdf280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fdfbe73dbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdf5cff8c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#6  0x00007fdfbe578f5a in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:500
#7  0x00007fdfbe57da29 in QThreadPrivate::start(void*) (arg=0x1d44720) at thread/qthread_unix.cpp:365
#8  0x00007fdfb8477744 in start_thread (arg=0x7fdf5cff9700) at pthread_create.c:334
#9  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fdf5e7fc700 (LWP 4344)):
#0  0x00007fdfbde7f28d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdfa2bf3931 in read (__nbytes=10, __buf=0x7fdf5e7fba70, __fd=44) at /usr/include/bits/unistd.h:44
#2  0x00007fdfa2bf3931 in pa_read (fd=44, buf=buf@entry=0x7fdf5e7fba70, count=count@entry=10, type=type@entry=0x1ec7e88) at pulsecore/core-util.c:433
#3  0x00007fdfa80c13be in clear_wakeup (m=<optimized out>) at pulse/mainloop.c:781
#4  0x00007fdfa80c13be in pa_mainloop_prepare (m=m@entry=0x1ec7db0, timeout=timeout@entry=-1) at pulse/mainloop.c:789
#5  0x00007fdfa80c1dd2 in pa_mainloop_iterate (m=m@entry=0x1ec7db0, block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:923
#6  0x00007fdfa80c1e90 in pa_mainloop_run (m=0x1ec7db0, retval=retval@entry=0x0) at pulse/mainloop.c:944
#7  0x00007fdfa80d0006 in thread (userdata=0x1ccf400) at pulse/thread-mainloop.c:100
#8  0x00007fdfa2c22408 in internal_thread_func (userdata=0x1db5a90) at pulsecore/thread-posix.c:81
#9  0x00007fdfb8477744 in start_thread (arg=0x7fdf5e7fc700) at pthread_create.c:334
#10 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fdf5effd700 (LWP 4343)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb8477744 in start_thread (arg=0x7fdf5effd700) at pthread_create.c:334
#9  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fdf5f7fe700 (LWP 4342)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfafd2a979 in cc::TaskGraphRunner::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb032f170 in base::SimpleThread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb8477744 in start_thread (arg=0x7fdf5f7fe700) at pthread_create.c:334
#5  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fdf57fff700 (LWP 4341)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb8477744 in start_thread (arg=0x7fdf57fff700) at pthread_create.c:334
#9  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fdf5ffff700 (LWP 4340)):
#0  0x00007fdfbde97eab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdfbde99a46 in ___fprintf_chk (fp=0x7fdfbe141740 <_IO_stdfile_2_lock>, flag=1, format=0x7fdfa6341791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdfa6329fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fdfa632a1b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fdfa632e468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fdfa631a477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fdfb02e48e1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfaf9bcc95 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfaf9bcdab in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fdfb8477744 in start_thread (arg=0x7fdf5ffff700) at pthread_create.c:334
#14 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fdf80ff9700 (LWP 4339)):
#0  0x00007fdfbddeca08 in buffered_vfprintf (s=s@entry=0x7fdfbe140060 <_IO_2_1_stderr_>, format=format@entry=0x7fdfa6341791 "[%s] %s\n", args=args@entry=0x7fdf80ff8158) at vfprintf.c:2331
#1  0x00007fdfbdde9e8e in _IO_vfprintf_internal (s=s@entry=0x7fdfbe140060 <_IO_2_1_stderr_>, format=0x7fdfa6341791 "[%s] %s\n", ap=ap@entry=0x7fdf80ff8158) at vfprintf.c:1292
#2  0x00007fdfbde99aa3 in ___fprintf_chk (fp=0x7fdfbe140060 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#3  0x00007fdfa6329fdf in  () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fdfa632a1b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fdfa632e468 in  () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fdfa631a477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#7  0x00007fdfb02e48e1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfaf9bcc15 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fdfaf9bce0b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007fdfb8477744 in start_thread (arg=0x7fdf80ff9700) at pthread_create.c:334
#15 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fdf817fa700 (LWP 4338)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfaf9bcb95 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfaf9bcdfb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfb8477744 in start_thread (arg=0x7fdf817fa700) at pthread_create.c:334
#11 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fdf81ffb700 (LWP 4337)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfaf9bcb15 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfaf9bcdeb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfb8477744 in start_thread (arg=0x7fdf81ffb700) at pthread_create.c:334
#11 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fdf827fc700 (LWP 4336)):
#0  0x00007fdfbde97eab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdfbde99a46 in ___fprintf_chk (fp=0x7fdfbe141740 <_IO_stdfile_2_lock>, flag=1, format=0x7fdfa6341791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdfa6329fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fdfa632a1b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fdfa632e468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fdfa631a477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fdfb02e484e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfaf9bca95 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfaf9bcddb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007fdfb8477744 in start_thread (arg=0x7fdf827fc700) at pthread_create.c:334
#14 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fdf82ffd700 (LWP 4335)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfaf9bca15 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfaf9bcdcb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfb8477744 in start_thread (arg=0x7fdf82ffd700) at pthread_create.c:334
#11 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fdf90c63700 (LWP 4332)):
#0  0x00007fdfb847c0bf in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdfb0324cbf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007fdfb0324d94 in base::WaitableEvent::Wait() () at /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007fdfb030762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb8477744 in start_thread (arg=0x7fdf90c63700) at pthread_create.c:334
#9  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fdf91464700 (LWP 4331)):
#0  0x00007fdfbde97eab in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fdfbde99a46 in ___fprintf_chk (fp=0x7fdfbe141740 <_IO_stdfile_2_lock>, flag=1, format=0x7fdfa6341791 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fdfa6329fdf in  () at /usr/lib64/libevent-2.0.so.5
#3  0x00007fdfa632a1b7 in event_warn () at /usr/lib64/libevent-2.0.so.5
#4  0x00007fdfa632e468 in  () at /usr/lib64/libevent-2.0.so.5
#5  0x00007fdfa631a477 in event_base_loop () at /usr/lib64/libevent-2.0.so.5
#6  0x00007fdfb02e484e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007fdfb0317c12 in base::RunLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007fdfb03036b5 in base::MessageLoop::Run() () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007fdfb032f4f0 in base::Thread::ThreadMain() () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007fdfb032bece in base::(anonymous namespace)::ThreadFunc(void*) () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007fdfb8477744 in start_thread (arg=0x7fdf91464700) at pthread_create.c:334
#12 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fdf93fff700 (LWP 4328)):
#0  0x00007fdfbde8320d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdfb7a16314 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fdf8c00ee40, timeout=-1, context=0x7fdf8c000990) at gmain.c:4135
#2  0x00007fdfb7a16314 in g_main_context_iterate (context=context@entry=0x7fdf8c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#3  0x00007fdfb7a1642c in g_main_context_iteration (context=0x7fdf8c000990, may_block=1) at gmain.c:3901
#4  0x00007fdfbe7901ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fdf8c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#5  0x00007fdfbe73dbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fdf93ffec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#6  0x00007fdfbe578f5a in QThread::exec() (this=this@entry=0x7fdfc036ace0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:500
#7  0x00007fdfc0101295 in QDBusConnectionManager::run() (this=0x7fdfc036ace0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:189
#8  0x00007fdfbe57da29 in QThreadPrivate::start(void*) (arg=0x7fdfc036ace0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:365
#9  0x00007fdfb8477744 in start_thread (arg=0x7fdf93fff700) at pthread_create.c:334
#10 0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fdf9c191700 (LWP 4327)):
#0  0x00007fdfbde8320d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdfb605e3c2 in _xcb_conn_wait () at /usr/lib64/libxcb.so.1
#2  0x00007fdfb606010f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fdf9e0a10d9 in QXcbEventReader::run() (this=0x19205a0) at qxcbconnection.cpp:1331
#4  0x00007fdfbe57da29 in QThreadPrivate::start(void*) (arg=0x19205a0) at thread/qthread_unix.cpp:365
#5  0x00007fdfb8477744 in start_thread (arg=0x7fdf9c191700) at pthread_create.c:334
#6  0x00007fdfbde8baad in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fdfc1f95940 (LWP 4326)):
[KCrash Handler]
#6  0x00007fdfbec6579f in QHash<QObject*, unsigned int>::value(QObject* const&) const (akey=<synthetic pointer>: <optimized out>, this=0x20) at ../../src/corelib/tools/qhash.h:592
#7  0x00007fdfbec6579f in QAccessible::queryAccessibleInterface(QObject*) (object=0x1e9a520) at accessible/qaccessible.cpp:669
#8  0x00007fdfbec662a3 in QAccessibleEvent::accessibleInterface() const (this=0x7ffe545ba010) at accessible/qaccessible.cpp:1760
#9  0x00007fdfbec666df in QAccessible::updateAccessibility(QAccessibleEvent*) (event=0x7ffe545ba010) at accessible/qaccessible.cpp:855
#10 0x00007fdfbf5c82e1 in QProgressBar::setValue(int) (this=0x1e9a520, value=<optimized out>) at widgets/qprogressbar.cpp:322
#11 0x00007fdfbe769de3 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe545ba1b0, r=0x1ad04e0, this=0xabe97a0) at ../../src/corelib/kernel/qobject_impl.h:124
#12 0x00007fdfbe769de3 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x7701e40, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffe545ba1b0) at kernel/qobject.cpp:3715
#13 0x00007fdfc0e170d0 in KPIM::ProgressItem::progressItemProgress(KPIM::ProgressItem*, unsigned int) () at /usr/lib64/libKF5Libkdepim.so.5
#14 0x00007fdfc0de8f3a in KPIM::ProgressItem::setComplete() () at /usr/lib64/libKF5Libkdepim.so.5
#15 0x00007fdf983219e9 in  () at /usr/lib64/qt5/plugins/akregatorpart.so
#16 0x00007fdfbe769de3 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe545ba370, r=0x8401280, this=0xa880090) at ../../src/corelib/kernel/qobject_impl.h:124
#17 0x00007fdfbe769de3 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x253e570, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffe545ba370) at kernel/qobject.cpp:3715
#18 0x00007fdfc17bcfb2 in Akregator::Feed::fetchAborted(Akregator::Feed*) () at /usr/lib64/libakregatorprivate.so.5
#19 0x00007fdfc17a65f7 in Akregator::Feed::fetchCompleted(Syndication::Loader*, QSharedPointer<Syndication::Feed>, Syndication::ErrorCode) () at /usr/lib64/libakregatorprivate.so.5
#20 0x00007fdfc17c103e in  () at /usr/lib64/libakregatorprivate.so.5
#21 0x00007fdfbe7697d1 in QMetaObject::activate(QObject*, int, int, void**) (sender=0xa1eb830, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffe545ba5b0) at kernel/qobject.cpp:3730
#22 0x00007fdfbc9f0c22 in Syndication::Loader::loadingComplete(Syndication::Loader*, QSharedPointer<Syndication::Feed>, Syndication::ErrorCode) () at /usr/lib64/libKF5Syndication.so.5
#23 0x00007fdfbc9ee1e1 in Syndication::Loader::abort() () at /usr/lib64/libKF5Syndication.so.5
#24 0x00007fdfc17bb42a in Akregator::FetchQueue::slotAbort() () at /usr/lib64/libakregatorprivate.so.5
#25 0x00007fdfc17bb4ac in Akregator::FetchQueue::~FetchQueue() () at /usr/lib64/libakregatorprivate.so.5
#26 0x00007fdfc17bb4f9 in Akregator::FetchQueue::~FetchQueue() () at /usr/lib64/libakregatorprivate.so.5
#27 0x00007fdfc17ba659 in Akregator::Kernel::~Kernel() () at /usr/lib64/libakregatorprivate.so.5
#28 0x00007fdfbddd9139 in __run_exit_handlers (status=status@entry=1, listp=0x7fdfbe13f5a0 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#29 0x00007fdfbddd9185 in __GI_exit (status=status@entry=1) at exit.c:104
#30 0x00007fdf9a9248d4 in do_flush_locked (out_fence_fd=0x0, in_fence_fd=<optimized out>, brw=0xad338f0) at intel_batchbuffer.c:648
#31 0x00007fdf9a9248d4 in _intel_batchbuffer_flush_fence (brw=0xad338f0, in_fence_fd=<optimized out>, out_fence_fd=0x0, file=<optimized out>, line=<optimized out>) at intel_batchbuffer.c:703
#32 0x00007fdfb7302e90 in loader_dri3_swap_buffers_msc (draw=0x9d17288, target_msc=0, divisor=0, remainder=0, flush_flags=3, force_copy=<optimized out>) at loader_dri3_helper.c:641
#33 0x00007fdf9b7892ba in QGLXContext::swapBuffers(QPlatformSurface*) (this=0xa9a2bf0, surface=0x1e00db0) at qglxintegration.cpp:535
#34 0x00007fdfbecc4e19 in QOpenGLContext::swapBuffers(QSurface*) (this=this@entry=0x2918ee0, surface=surface@entry=0x1d2bea0) at kernel/qopenglcontext.cpp:1059
#35 0x00007fdfbef11c6b in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=this@entry=0x1d91a40, window=window@entry=0x1d2be90, region=..., offset=..., textures=textures@entry=0x88cd4a0, context=context@entry=0x2918ee0, translucentBackground=translucentBackground@entry=false) at painting/qplatformbackingstore.cpp:408
#36 0x00007fdfbef12589 in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=this@entry=0x1d91a40, window=window@entry=0x1d2be90, region=..., offset=..., textures=0x88cd4a0, context=0x2918ee0, translucentBackground=translucentBackground@entry=false) at painting/qplatformbackingstore.cpp:409
#37 0x00007fdf9e0bb469 in QXcbBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) (this=0x1d91a40, window=0x1d2be90, region=..., offset=..., textures=<optimized out>, context=<optimized out>, translucentBackground=false) at qxcbbackingstore.cpp:417
#38 0x00007fdfbf449e9e in QWidgetBackingStore::qt_flush(QWidget*, QRegion const&, QBackingStore*, QWidget*, QPoint const&, QPlatformTextureList*, QWidgetBackingStore*) (widget=0x1acf080, region=..., backingStore=<optimized out>, tlw=<optimized out>, tlwOffset=..., widgetTextures=<optimized out>, widgetBackingStore=0x1d91b00) at kernel/qwidgetbackingstore.cpp:134
#39 0x00007fdfbf44ac6b in QWidgetBackingStore::flush(QWidget*) (this=this@entry=0x1d91b00, widget=widget@entry=0x0) at kernel/qwidgetbackingstore.cpp:1413
#40 0x00007fdfbf44c882 in QWidgetBackingStore::endPaint(QRegion const&, QBackingStore*, BeginPaintInfo*) (beginPaintInfo=<synthetic pointer>, backingStore=<optimized out>, cleaned=..., this=0x1d91b00) at kernel/qwidgetbackingstore.cpp:355
#41 0x00007fdfbf44c882 in QWidgetBackingStore::doSync() (this=this@entry=0x1d91b00) at kernel/qwidgetbackingstore.cpp:1397
#42 0x00007fdfbf44da39 in QWidgetBackingStore::sync() (this=0x1d91b00) at kernel/qwidgetbackingstore.cpp:1173
#43 0x00007fdfbf46d3cf in QWidgetPrivate::syncBackingStore() (this=this@entry=0x1acf390) at kernel/qwidget.cpp:1947
#44 0x00007fdfbf481dc5 in QWidget::event(QEvent*) (this=this@entry=0x1acf080, event=event@entry=0xa3042f0) at kernel/qwidget.cpp:9056
#45 0x00007fdfbf59375b in QMainWindow::event(QEvent*) (this=this@entry=0x1acf080, event=event@entry=0xa3042f0) at widgets/qmainwindow.cpp:1543
#46 0x00007fdfc0b31097 in KMainWindow::event(QEvent*) (this=this@entry=0x1acf080, ev=ev@entry=0xa3042f0) at /usr/src/debug/kxmlgui-5.32.0/src/kmainwindow.cpp:867
#47 0x00007fdfc0b6dc85 in KXmlGuiWindow::event(QEvent*) (this=0x1acf080, ev=0xa3042f0) at /usr/src/debug/kxmlgui-5.32.0/src/kxmlguiwindow.cpp:119
#48 0x00007fdfbf44028c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x1acf080, e=0xa3042f0) at kernel/qapplication.cpp:3804
#49 0x00007fdfbf4448ea in QApplication::notify(QObject*, QEvent*) (this=0x7ffe545bb760, receiver=0x1acf080, e=0xa3042f0) at kernel/qapplication.cpp:3561
#50 0x00007fdfbe73fbe5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x1acf080, event=event@entry=0xa3042f0) at kernel/qcoreapplication.cpp:1015
#51 0x00007fdfbe7419ca in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0xa3042f0, receiver=<optimized out>) at kernel/qcoreapplication.h:225
#52 0x00007fdfbe7419ca in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1900d60) at kernel/qcoreapplication.cpp:1650
#53 0x00007fdfbe741f78 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1508
#54 0x00007fdfbe790b03 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x1947c30) at kernel/qeventdispatcher_glib.cpp:270
#55 0x00007fdfb7a16134 in g_main_dispatch (context=0x7fdf940016f0) at gmain.c:3154
#56 0x00007fdfb7a16134 in g_main_context_dispatch (context=context@entry=0x7fdf940016f0) at gmain.c:3769
#57 0x00007fdfb7a16388 in g_main_context_iterate (context=context@entry=0x7fdf940016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#58 0x00007fdfb7a1642c in g_main_context_iteration (context=0x7fdf940016f0, may_block=1) at gmain.c:3901
#59 0x00007fdfbe79018c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1961280, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#60 0x00007fdfbe73dbfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe545bb530, flags=..., flags@entry=...) at kernel/qeventloop.cpp:206
#61 0x00007fdfbe745ae6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1285
#62 0x0000000000409169 in  ()
#63 0x00007fdfbddc26e5 in __libc_start_main (main=0x408c00, argc=1, argv=0x7ffe545bb8b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe545bb8a8) at libc-start.c:289
#64 0x0000000000409309 in _start ()

Possible duplicates by query: bug 383103, bug 373748.

Reported using DrKonqi
Comment 1 Christoph Feck 2017-08-23 00:21:52 UTC 
intel driver aborts in do_flush_locked(). Please report this issue directly to intel video driver developers via https://bugs.freedesktop.org/