Bug 381293

Summary: KMail Crashes on startup
Product: [Applications] kmail2 Reporter: Marc Schmitzer <marc-schmitzer>
Component: generalAssignee: kdepim bugs <pim-bugs-null>
Status: RESOLVED DOWNSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.4.3   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Marc Schmitzer 2017-06-16 17:17:19 UTC 
Application: kmail (5.4.3)

Qt Version: 5.7.1
Frameworks Version: 5.34.0
Operating System: Linux 4.11.4-200.fc25.i686+PAE i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
Started KMail right after booting into xfce. The KMail-UI is briefly visible, then crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xa5985840 (LWP 2164))]

Thread 32 (Thread 0x7b7bab40 (LWP 2229)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xad025de4 in WTF::ThreadCondition::wait(WTF::Mutex&) () at /lib/libQt5WebKit.so.5
#3  0xaccded79 in JSC::GCThread::waitForNextPhase() () at /lib/libQt5WebKit.so.5
#4  0xaccdee08 in JSC::GCThread::gcThreadMain() () at /lib/libQt5WebKit.so.5
#5  0xad025769 in WTF::wtfThreadEntryPoint(void*) () at /lib/libQt5WebKit.so.5
#6  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#7  0xb4e11036 in clone () at /lib/libc.so.6

Thread 31 (Thread 0x7bfdab40 (LWP 2228)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xad025de4 in WTF::ThreadCondition::wait(WTF::Mutex&) () at /lib/libQt5WebKit.so.5
#3  0xaccddd22 in JSC::BlockAllocator::blockFreeingThreadMain() () at /lib/libQt5WebKit.so.5
#4  0xad025769 in WTF::wtfThreadEntryPoint(void*) () at /lib/libQt5WebKit.so.5
#5  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#6  0xb4e11036 in clone () at /lib/libc.so.6

Thread 30 (Thread 0x7c8ffb40 (LWP 2227)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xacffa0c1 in WTF::TCMalloc_PageHeap::scavengerThread() () at /lib/libQt5WebKit.so.5
#3  0xacffa0f0 in WTF::TCMalloc_Central_FreeList::Init(unsigned int, unsigned int) () at /lib/libQt5WebKit.so.5
#4  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#5  0xb4e11036 in clone () at /lib/libc.so.6

Thread 29 (Thread 0x7d66eb40 (LWP 2226)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xa6aa4fa6 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib/libQt5Script.so.5
#3  0xa6aa4ff0 in QTWTF::TCMalloc_Central_FreeList::Init(unsigned int) () at /lib/libQt5Script.so.5
#4  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#5  0xb4e11036 in clone () at /lib/libc.so.6

Thread 28 (Thread 0x7e33ab40 (LWP 2213)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4dfc84f in read () at /lib/libc.so.6
#2  0xa8fbcba6 in g_wakeup_acknowledge () at /lib/libglib-2.0.so.0
#3  0xa8f72128 in g_main_context_check () at /lib/libglib-2.0.so.0
#4  0xa8f72632 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#5  0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#6  0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#7  0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#8  0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#9  0xb51728cc in QThread::run() () at /lib/libQt5Core.so.5
#10 0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#11 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#12 0xb4e11036 in clone () at /lib/libc.so.6

Thread 27 (Thread 0x7f1d6b40 (LWP 2206)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffd1f6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xb5178010 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib/libQt5Core.so.5
#3  0xb5173f40 in QThreadPoolThread::run() () at /lib/libQt5Core.so.5
#4  0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#5  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#6  0xb4e11036 in clone () at /lib/libc.so.6

Thread 26 (Thread 0x7fd72b40 (LWP 2205)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb77be979 in __vdso_clock_gettime ()
#2  0xb4e1f5d1 in clock_gettime () at /lib/libc.so.6
#3  0xb5203755 in qt_gettime() () at /lib/libQt5Core.so.5
#4  0xb538b982 in QTimerInfoList::updateCurrentTime() () at /lib/libQt5Core.so.5
#5  0xb538bdf7 in QTimerInfoList::timerWait(timespec&) () at /lib/libQt5Core.so.5
#6  0xb538d38b in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib/libQt5Core.so.5
#7  0xb538d44d in timerSourcePrepare(_GSource*, int*) () at /lib/libQt5Core.so.5
#8  0xa8f71af9 in g_main_context_prepare () at /lib/libglib-2.0.so.0
#9  0xa8f72592 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#10 0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#11 0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#12 0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#13 0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#14 0xb51728cc in QThread::run() () at /lib/libQt5Core.so.5
#15 0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#16 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#17 0xb4e11036 in clone () at /lib/libc.so.6

Thread 25 (Thread 0x81ddcb40 (LWP 2202)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf154e46 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf155260 in base::SequencedWorkerPool::Worker::Run() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf15545d in base::SimpleThread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#6  0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#7  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#8  0xb4e11036 in clone () at /lib/libc.so.6

Thread 24 (Thread 0x925ddb40 (LWP 2201)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb77be979 in __vdso_clock_gettime ()
#2  0xb4e1f5d1 in clock_gettime () at /lib/libc.so.6
#3  0xa7695604 in gettime () at /lib/libevent-2.0.so.5
#4  0xa76983f7 in event_base_loop () at /lib/libevent-2.0.so.5
#5  0xaf103edd in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#11 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#12 0xb4e11036 in clone () at /lib/libc.so.6

Thread 23 (Thread 0x92de5b40 (LWP 2200)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e0456f in poll () at /lib/libc.so.6
#2  0xa5ec77ae in poll_func () at /lib/libpulse.so.0
#3  0xa5eb547b in pa_mainloop_poll () at /lib/libpulse.so.0
#4  0xa5eb5d31 in pa_mainloop_iterate () at /lib/libpulse.so.0
#5  0xa5eb5e04 in pa_mainloop_run () at /lib/libpulse.so.0
#6  0xa5ec76e0 in thread () at /lib/libpulse.so.0
#7  0xa5c207cd in internal_thread_func () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#8  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#9  0xb4e11036 in clone () at /lib/libc.so.6

Thread 22 (Thread 0x935e6b40 (LWP 2199)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xa8e5b0b0 in _xcb_conn_wait () at /lib/libxcb.so.1
#3  0xa8e5cfdc in wait_for_reply () at /lib/libxcb.so.1
#4  0xa8e5d1be in xcb_wait_for_reply64 () at /lib/libxcb.so.1
#5  0xab361915 in _XReply () at /lib/libX11.so.6
#6  0xab35c978 in XSync () at /lib/libX11.so.6
#7  0xa3d7954f in DRI2DestroyDrawable () at /lib/libGLX_mesa.so.0
#8  0xa3d7a6c4 in dri2DestroyDrawable () at /lib/libGLX_mesa.so.0
#9  0xa3d50c71 in DestroyDRIDrawable () at /lib/libGLX_mesa.so.0
#10 0xae6b0f8a in gl::GLSurfaceQtGLX::Destroy() () at /lib/libQt5WebEngineCore.so.5
#11 0xaf1d8205 in gpu::GpuChannelManager::~GpuChannelManager() () at /lib/libQt5WebEngineCore.so.5
#12 0xaf1d84ca in gpu::GpuChannelManager::~GpuChannelManager() () at /lib/libQt5WebEngineCore.so.5
#13 0xae71009f in content::GpuChildThread::~GpuChildThread() () at /lib/libQt5WebEngineCore.so.5
#14 0xae71022a in content::GpuChildThread::~GpuChildThread() () at /lib/libQt5WebEngineCore.so.5
#15 0xaf71cb84 in content::ChildProcess::~ChildProcess() () at /lib/libQt5WebEngineCore.so.5
#16 0xae711e12 in content::GpuProcess::~GpuProcess() () at /lib/libQt5WebEngineCore.so.5
#17 0xaf155b16 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#18 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#19 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#20 0xb4e11036 in clone () at /lib/libc.so.6

Thread 21 (Thread 0x93de7b40 (LWP 2198)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffd1f6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a717 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b1bc in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf129df6 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#5  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#6  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#8  0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#9  0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#10 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#11 0xb4e11036 in clone () at /lib/libc.so.6

Thread 20 (Thread 0x945e8b40 (LWP 2197)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xb120aa3a in cc::SingleThreadTaskGraphRunner::Run() () at /lib/libQt5WebEngineCore.so.5
#4  0xaf155301 in base::DelegateSimpleThread::Run() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf15545d in base::SimpleThread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#6  0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#7  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#8  0xb4e11036 in clone () at /lib/libc.so.6

Thread 19 (Thread 0x94de9b40 (LWP 2196)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#11 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#12 0xb4e11036 in clone () at /lib/libc.so.6

Thread 18 (Thread 0x955eab40 (LWP 2195)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e1ed22 in __lll_lock_wait_private () at /lib/libc.so.6
#2  0xb4e206f1 in __fprintf_chk () at /lib/libc.so.6
#3  0xa76abe94 in _warn_helper () at /lib/libevent-2.0.so.5
#4  0xa76abfb7 in event_warn () at /lib/libevent-2.0.so.5
#5  0xa76b0f4c in epoll_dispatch () at /lib/libevent-2.0.so.5
#6  0xa769840f in event_base_loop () at /lib/libevent-2.0.so.5
#7  0xaf10402c in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#8  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#9  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf77361d in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#12 0xaf773eb8 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#13 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#14 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#15 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#16 0xb4e11036 in clone () at /lib/libc.so.6

Thread 17 (Thread 0x95debb40 (LWP 2194)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf77355d in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#10 0xaf773e70 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#12 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#13 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#14 0xb4e11036 in clone () at /lib/libc.so.6

Thread 16 (Thread 0x965ecb40 (LWP 2193)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf77349d in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#10 0xaf773f10 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#12 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#13 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#14 0xb4e11036 in clone () at /lib/libc.so.6

Thread 15 (Thread 0x96dedb40 (LWP 2192)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf7733dd in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#10 0xaf773ef0 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#12 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#13 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#14 0xb4e11036 in clone () at /lib/libc.so.6

Thread 14 (Thread 0x975eeb40 (LWP 2191)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e1ed22 in __lll_lock_wait_private () at /lib/libc.so.6
#2  0xb4e206f1 in __fprintf_chk () at /lib/libc.so.6
#3  0xa76abe94 in _warn_helper () at /lib/libevent-2.0.so.5
#4  0xa76abfb7 in event_warn () at /lib/libevent-2.0.so.5
#5  0xa76b0f4c in epoll_dispatch () at /lib/libevent-2.0.so.5
#6  0xa769840f in event_base_loop () at /lib/libevent-2.0.so.5
#7  0xaf103f7b in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#8  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#9  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf77331d in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#12 0xaf773ed0 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#13 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#14 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#15 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#16 0xb4e11036 in clone () at /lib/libc.so.6

Thread 13 (Thread 0x97defb40 (LWP 2190)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf77325d in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#10 0xaf773ea0 in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#11 0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#12 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#13 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#14 0xb4e11036 in clone () at /lib/libc.so.6

Thread 12 (Thread 0x985f0b40 (LWP 2189)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffd1f6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a717 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#3  0xaf158a2b in base::PosixDynamicThreadPool::WaitForTask() () at /lib/libQt5WebEngineCore.so.5
#4  0xaf158fc8 in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#6  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#7  0xb4e11036 in clone () at /lib/libc.so.6

Thread 11 (Thread 0x98df1b40 (LWP 2188)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffd1f6 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a717 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#3  0xaf158a2b in base::PosixDynamicThreadPool::WaitForTask() () at /lib/libQt5WebEngineCore.so.5
#4  0xaf158fc8 in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#6  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#7  0xb4e11036 in clone () at /lib/libc.so.6

Thread 10 (Thread 0x995f2b40 (LWP 2187)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb3ffce2c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib/libpthread.so.0
#2  0xaf14a65c in base::ConditionVariable::Wait() () at /lib/libQt5WebEngineCore.so.5
#3  0xaf14b101 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib/libQt5WebEngineCore.so.5
#4  0xaf14b1f1 in base::WaitableEvent::Wait() () at /lib/libQt5WebEngineCore.so.5
#5  0xaf129d9b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#11 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#12 0xb4e11036 in clone () at /lib/libc.so.6

Thread 9 (Thread 0x99df3b40 (LWP 2186)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb77be979 in __vdso_clock_gettime ()
#2  0xb4e1f5d1 in clock_gettime () at /lib/libc.so.6
#3  0xa7695604 in gettime () at /lib/libevent-2.0.so.5
#4  0xa76983f7 in event_base_loop () at /lib/libevent-2.0.so.5
#5  0xaf103f7b in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib/libQt5WebEngineCore.so.5
#6  0xaf126a4a in base::MessageLoop::RunHandler() () at /lib/libQt5WebEngineCore.so.5
#7  0xaf13e818 in base::RunLoop::Run() () at /lib/libQt5WebEngineCore.so.5
#8  0xaf1557c2 in base::Thread::Run(base::MessageLoop*) () at /lib/libQt5WebEngineCore.so.5
#9  0xaf155aa0 in base::Thread::ThreadMain() () at /lib/libQt5WebEngineCore.so.5
#10 0xaf151af0 in base::(anonymous namespace)::ThreadFunc(void*) () at /lib/libQt5WebEngineCore.so.5
#11 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#12 0xb4e11036 in clone () at /lib/libc.so.6

Thread 8 (Thread 0x9c4f1b40 (LWP 2171)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb77be979 in __vdso_clock_gettime ()
#2  0xb4e1f5d1 in clock_gettime () at /lib/libc.so.6
#3  0xb5203755 in qt_gettime() () at /lib/libQt5Core.so.5
#4  0xb538b982 in QTimerInfoList::updateCurrentTime() () at /lib/libQt5Core.so.5
#5  0xb538bdf7 in QTimerInfoList::timerWait(timespec&) () at /lib/libQt5Core.so.5
#6  0xb538d38b in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib/libQt5Core.so.5
#7  0xb538d44d in timerSourcePrepare(_GSource*, int*) () at /lib/libQt5Core.so.5
#8  0xa8f71af9 in g_main_context_prepare () at /lib/libglib-2.0.so.0
#9  0xa8f72592 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#10 0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#11 0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#12 0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#13 0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#14 0xb51728cc in QThread::run() () at /lib/libQt5Core.so.5
#15 0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#16 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#17 0xb4e11036 in clone () at /lib/libc.so.6

Thread 7 (Thread 0x9ccf2b40 (LWP 2170)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb77be979 in __vdso_clock_gettime ()
#2  0xb4e1f5d1 in clock_gettime () at /lib/libc.so.6
#3  0xb5203755 in qt_gettime() () at /lib/libQt5Core.so.5
#4  0xb538b982 in QTimerInfoList::updateCurrentTime() () at /lib/libQt5Core.so.5
#5  0xb538bdf7 in QTimerInfoList::timerWait(timespec&) () at /lib/libQt5Core.so.5
#6  0xb538d38b in timerSourcePrepareHelper(GTimerSource*, int*) () at /lib/libQt5Core.so.5
#7  0xb538d44d in timerSourcePrepare(_GSource*, int*) () at /lib/libQt5Core.so.5
#8  0xa8f71af9 in g_main_context_prepare () at /lib/libglib-2.0.so.0
#9  0xa8f72592 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#10 0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#11 0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#12 0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#13 0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#14 0xb51728cc in QThread::run() () at /lib/libQt5Core.so.5
#15 0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#16 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#17 0xb4e11036 in clone () at /lib/libc.so.6

Thread 6 (Thread 0x9d4f3b40 (LWP 2169)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e0456f in poll () at /lib/libc.so.6
#2  0xa8f82eec in g_poll () at /lib/libglib-2.0.so.0
#3  0xa8f72698 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#4  0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#5  0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#6  0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#7  0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#8  0xb51728cc in QThread::run() () at /lib/libQt5Core.so.5
#9  0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#10 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#11 0xb4e11036 in clone () at /lib/libc.so.6

Thread 5 (Thread 0x9e6ffb40 (LWP 2168)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e0456f in poll () at /lib/libc.so.6
#2  0xa8f82eec in g_poll () at /lib/libglib-2.0.so.0
#3  0xa8f72698 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#4  0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#5  0xb538d72f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#6  0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#7  0xb51727fb in QThread::exec() () at /lib/libQt5Core.so.5
#8  0xb6197651 in QDBusConnectionManager::run() () at /lib/libQt5DBus.so.5
#9  0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#10 0xb3ff74be in start_thread () at /lib/libpthread.so.0
#11 0xb4e11036 in clone () at /lib/libc.so.6

Thread 4 (Thread 0x9f0ffb40 (LWP 2167)):
#0  0xa8f6f3d6 in g_source_iter_next () at /lib/libglib-2.0.so.0
#1  0xa8f71a8d in g_main_context_prepare () at /lib/libglib-2.0.so.0
#2  0xa8f72592 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#3  0xa8f72aa1 in g_main_loop_run () at /lib/libglib-2.0.so.0
#4  0xa68039eb in gdbus_shared_thread_func () at /lib/libgio-2.0.so.0
#5  0xa8f9d1f3 in g_thread_proxy () at /lib/libglib-2.0.so.0
#6  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#7  0xb4e11036 in clone () at /lib/libc.so.6

Thread 3 (Thread 0x9fa25b40 (LWP 2166)):
#0  0xa8f71d40 in g_main_context_query () at /lib/libglib-2.0.so.0
#1  0xa8f725fe in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#2  0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#3  0xa8f72846 in glib_worker_main () at /lib/libglib-2.0.so.0
#4  0xa8f9d1f3 in g_thread_proxy () at /lib/libglib-2.0.so.0
#5  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#6  0xb4e11036 in clone () at /lib/libc.so.6

Thread 2 (Thread 0xa5404b40 (LWP 2165)):
#0  0xb77bece9 in __kernel_vsyscall ()
#1  0xb4e0456f in poll () at /lib/libc.so.6
#2  0xa8e5ae18 in _xcb_conn_wait () at /lib/libxcb.so.1
#3  0xa8e5d3a0 in xcb_wait_for_event () at /lib/libxcb.so.1
#4  0xa553df1b in QXcbEventReader::run() () at /lib/libQt5XcbQpa.so.5
#5  0xb517787a in QThreadPrivate::start(void*) () at /lib/libQt5Core.so.5
#6  0xb3ff74be in start_thread () at /lib/libpthread.so.0
#7  0xb4e11036 in clone () at /lib/libc.so.6

Thread 1 (Thread 0xa5985840 (LWP 2164)):
[KCrash Handler]
#7  0xa353b36e in nouveau_fence_trigger_work () at /usr/lib/dri/nouveau_dri.so
#8  0xa353b56a in nouveau_fence_update () at /usr/lib/dri/nouveau_dri.so
#9  0xa353b890 in nouveau_fence_wait () at /usr/lib/dri/nouveau_dri.so
#10 0xa353c49e in nouveau_screen_fence_finish () at /usr/lib/dri/nouveau_dri.so
#11 0xa31e6f05 in st_finish () at /usr/lib/dri/nouveau_dri.so
#12 0xa31e6f63 in st_glFinish () at /usr/lib/dri/nouveau_dri.so
#13 0xa3071360 in _mesa_Finish () at /usr/lib/dri/nouveau_dri.so
#14 0xa8644b75 in QQuickWidgetPrivate::render(bool) () at /lib/libQt5QuickWidgets.so.5
#15 0xa8644ca0 in QQuickWidgetPrivate::renderSceneGraph() () at /lib/libQt5QuickWidgets.so.5
#16 0xb5361970 in QObject::event(QEvent*) () at /lib/libQt5Core.so.5
#17 0xb5b98800 in QWidget::event(QEvent*) (this=0x8086c8d0, event=0xbfb22afc) at kernel/qwidget.cpp:9225
#18 0xa8648efc in QQuickWidget::event(QEvent*) () at /lib/libQt5QuickWidgets.so.5
#19 0xb3bf023d in QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () at /lib/libQt5WebEngineWidgets.so.5
#20 0xb5b4488c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=0x804343c0, receiver=0x8086c8d0, e=0xbfb22afc) at kernel/qapplication.cpp:3799
#21 0xb5b4cdd0 in QApplication::notify(QObject*, QEvent*) (this=0xbfb23020, receiver=0x8086c8d0, e=0xbfb22afc) at kernel/qapplication.cpp:3556
#22 0xb5334d7c in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/libQt5Core.so.5
#23 0xb538ca11 in QTimerInfoList::activateTimers() () at /lib/libQt5Core.so.5
#24 0xb538d1e9 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib/libQt5Core.so.5
#25 0xa8f72330 in g_main_context_dispatch () at /lib/libglib-2.0.so.0
#26 0xa8f72715 in g_main_context_iterate.isra () at /lib/libglib-2.0.so.0
#27 0xa8f727e7 in g_main_context_iteration () at /lib/libglib-2.0.so.0
#28 0xb538d710 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#29 0xa557e9b7 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5XcbQpa.so.5
#30 0xb5333930 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/libQt5Core.so.5
#31 0xb533c318 in QCoreApplication::exec() () at /lib/libQt5Core.so.5
#32 0xb564a9d5 in QGuiApplication::exec() () at /lib/libQt5Gui.so.5
#33 0xb5b447e5 in QApplication::exec() () at kernel/qapplication.cpp:2975
#34 0x80072370 in main ()

Possible duplicates by query: bug 372866, bug 369514, bug 369222, bug 369010.

Reported using DrKonqi
Comment 1 Christoph Feck 2017-06-27 20:04:21 UTC 
The crash is in the nouveau OpenGL drivers. Please report this issue directly to nouveau developers via https://bugs.freedesktop.org/