Bug 374353

Summary: Kontact Crash when Customizing
Product: [Applications] kontact Reporter: Jeff Fitzmaurice <jeffsplace>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:

Description Jeff Fitzmaurice 2016-12-30 20:47:22 UTC 
Application: kontact (5.3.3 (QtWebEngine))

Qt Version: 5.7.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.15-300.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- What I was doing when the application crashed:
I was customizing the security settings that control HTML messages.  When I press "apply" Kontact crashes
- Custom settings of the application:
Kmail/Security Settings/HTML preferred over PlainText.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe4314c2940 (LWP 2301))]

Thread 47 (Thread 0x7fe2a69c4700 (LWP 2495)):
#0  0x00007fe440fdf809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fc912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe44550b4f0 in base::PosixDynamicThreadPool::WaitForTask() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe44550ba23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 46 (Thread 0x7fe2a79f2700 (LWP 2425)):
#0  0x00007fe43c5546bf in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55507b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 45 (Thread 0x7fe2a94ec700 (LWP 2423)):
#0  0x00007fe43c57cff0 in g_thread_self () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55406e in g_main_context_acquire () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c555005 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 44 (Thread 0x7fe2aa519700 (LWP 2411)):
#0  0x00007fe43c555133 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#2  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#6  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#7  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 43 (Thread 0x7fe2aad1a700 (LWP 2409)):
#0  0x00007fe43c55468c in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55507b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 42 (Thread 0x7fe2ab51b700 (LWP 2407)):
#0  0x00007fe43c554be9 in g_main_context_check () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c5550f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 41 (Thread 0x7fe2abd1c700 (LWP 2405)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe43c555156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 40 (Thread 0x7fe2ac51d700 (LWP 2403)):
#0  0x00007fe449185bed in read () at /lib64/libc.so.6
#1  0x00007fe43c599450 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c554c60 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c5550f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 39 (Thread 0x7fe2acd1e700 (LWP 2401)):
#0  0x00007fe449185bed in read () at /lib64/libc.so.6
#1  0x00007fe43c599450 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c554c60 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c5550f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 38 (Thread 0x7fe2ae7fa700 (LWP 2396)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe327930f93 in JSC::GCThread::waitForNextPhase() () at /lib64/libQt5WebKit.so.5
#2  0x00007fe327931020 in JSC::GCThread::gcThreadMain() () at /lib64/libQt5WebKit.so.5
#3  0x00007fe327c37451 in WTF::wtfThreadEntryPoint(void*) () at /lib64/libQt5WebKit.so.5
#4  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 37 (Thread 0x7fe2aeffb700 (LWP 2395)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe327930f93 in JSC::GCThread::waitForNextPhase() () at /lib64/libQt5WebKit.so.5
#2  0x00007fe327931020 in JSC::GCThread::gcThreadMain() () at /lib64/libQt5WebKit.so.5
#3  0x00007fe327c37451 in WTF::wtfThreadEntryPoint(void*) () at /lib64/libQt5WebKit.so.5
#4  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 36 (Thread 0x7fe2af7fc700 (LWP 2394)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe327930f93 in JSC::GCThread::waitForNextPhase() () at /lib64/libQt5WebKit.so.5
#2  0x00007fe327931020 in JSC::GCThread::gcThreadMain() () at /lib64/libQt5WebKit.so.5
#3  0x00007fe327c37451 in WTF::wtfThreadEntryPoint(void*) () at /lib64/libQt5WebKit.so.5
#4  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#5  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 35 (Thread 0x7fe2afffd700 (LWP 2393)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe32793014c in JSC::BlockAllocator::blockFreeingThreadMain() () at /lib64/libQt5WebKit.so.5
#2  0x00007fe327c37451 in WTF::wtfThreadEntryPoint(void*) () at /lib64/libQt5WebKit.so.5
#3  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 34 (Thread 0x7fe2f4c72700 (LWP 2392)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe327c0fc16 in WTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5WebKit.so.5
#2  0x00007fe327c0fc39 in  () at /lib64/libQt5WebKit.so.5
#3  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7fe2f5c97700 (LWP 2390)):
#0  0x00007fe43c59a7f9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55513b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7fe2f75fe700 (LWP 2387)):
#0  0x00007fe43c554097 in g_main_context_acquire () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c555005 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7fe2f7dff700 (LWP 2373)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe445507c49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe445508289 in base::SequencedWorkerPool::Worker::Run() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe445508440 in base::SimpleThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7fe2ff3ee700 (LWP 2353)):
#0  0x00007fe43c555258 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#1  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#2  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#4  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7fe2ffbef700 (LWP 2351)):
#0  0x00007fe449185bed in read () at /lib64/libc.so.6
#1  0x00007fe43c599450 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c554c60 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c5550f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7fe312795700 (LWP 2345)):
#0  0x00007fe43c552180 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55463b in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55507b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7fe312f96700 (LWP 2343)):
#0  0x00007fe449d9ad9a in QMutex::unlock() () at /lib64/libQt5Core.so.5
#1  0x00007fe449f90611 in postEventSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#2  0x00007fe43c554ba9 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007fe43c5550f4 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#10 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 26 (Thread 0x7fe313bd5700 (LWP 2341)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe43c555156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 25 (Thread 0x7fe3211f0700 (LWP 2339)):
#0  0x00007fe43c5545e0 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c55507b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 24 (Thread 0x7fe3219f1700 (LWP 2337)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe43c555156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 23 (Thread 0x7fe3221f2700 (LWP 2335)):
#0  0x00007fe43c59a7f9 in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007fe43c555050 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 22 (Thread 0x7fe3229f3700 (LWP 2334)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe43c555156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7fe3d4ff9700 (LWP 2333)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe43339a2f4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fe43339a339 in  () at /lib64/libQt5Script.so.5
#3  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fe3d57fa700 (LWP 2328)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe445507c49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe445508289 in base::SequencedWorkerPool::Worker::Run() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe445508440 in base::SimpleThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fe3d5ffb700 (LWP 2327)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe4247b5f51 in poll_func () at /lib64/libpulse.so.0
#2  0x00007fe4247a7721 in pa_mainloop_poll () at /lib64/libpulse.so.0
#3  0x00007fe4247a7dbe in pa_mainloop_iterate () at /lib64/libpulse.so.0
#4  0x00007fe4247a7e70 in pa_mainloop_run () at /lib64/libpulse.so.0
#5  0x00007fe4247b5e99 in thread () at /lib64/libpulse.so.0
#6  0x00007fe424350178 in internal_thread_func () at /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#7  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#8  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fe3d67fc700 (LWP 2326)):
#0  0x00007fe4491a3f5c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe4491a5b64 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe43ab4086e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe43ab40a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe43ab451e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe43ab2f18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe4454b5a12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#12 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fe3d6ffd700 (LWP 2325)):
#0  0x00007fe440fe238d in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007fe440fdbe4d in pthread_mutex_lock () at /lib64/libpthread.so.0
#2  0x00007fe43f5e0e06 in glXMakeCurrentReadSGI () at /lib64/libGL.so.1
#3  0x00007fe44508538f in gfx::GLContextGLX::ReleaseCurrent(gfx::GLSurface*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445a9da01 in gpu::gles2::GLES2DecoderImpl::Destroy(bool) [clone .part.707] () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe444e95796 in content::GpuCommandBufferStub::Destroy() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe444e95981 in content::GpuCommandBufferStub::~GpuCommandBufferStub() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe444e95bb9 in content::GpuCommandBufferStub::~GpuCommandBufferStub() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe444e8fcd7 in content::GpuChannel::~GpuChannel() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe444e90129 in content::GpuChannel::~GpuChannel() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe444e6941f in content::GpuChannelManager::~GpuChannelManager() () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe444e69719 in content::GpuChannelManager::~GpuChannelManager() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe443cb84c5 in content::GpuChildThread::~GpuChildThread() () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe443cb85c9 in content::GpuChildThread::~GpuChildThread() () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe44459667c in content::ChildProcess::~ChildProcess() () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe443cb9c43 in content::GpuProcess::~GpuProcess() () at /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe445508a6d in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#18 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#19 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fe3d77fe700 (LWP 2324)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4450a91c0 in mojo::system::Waiter::Wait(unsigned long, unsigned long*) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe445091ff0 in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe44509237b in mojo::system::Core::Wait(unsigned int, unsigned int, unsigned long, mojo::system::UserPointer<MojoHandleSignalsState>) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe44508e00a in MojoWait () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe44620782e in mojo::common::MessagePumpMojo::WaitForReadyHandles(mojo::common::MessagePumpMojo::RunState const&) const () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe446209be4 in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe446209c35 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe446209d09 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fe3d7fff700 (LWP 2323)):
#0  0x00007fe440fdf809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fc912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1b5 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee51 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fe3f8ff9700 (LWP 2322)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe444bc2a0d in cc::SingleThreadTaskGraphRunner::Run() () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe44550831e in base::DelegateSimpleThread::Run() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe445508440 in base::SimpleThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fe3f97fa700 (LWP 2321)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fd125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1e5 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fe3f9ffb700 (LWP 2320)):
#0  0x00007fe4491a3f5c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe4491a5b64 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe43ab4086e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe43ab40a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe43ab451e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe43ab2f18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe4454b597e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe4447e9fa8 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe4447ea0eb in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fe3fa7fc700 (LWP 2319)):
#0  0x00007fe4491a3f5c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe4491a5b64 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe43ab4086e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe43ab40a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe43ab451e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe43ab2f18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe4454b5ac5 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe4447e9ef8 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe4447ea14b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#14 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fe3faffd700 (LWP 2318)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fd125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1e5 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4447e9e48 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4447ea13b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fe3fb7fe700 (LWP 2317)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fd125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1e5 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4447e9d98 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4447ea12b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fe3fbfff700 (LWP 2316)):
#0  0x00007fe449185c4d in write () at /lib64/libc.so.6
#1  0x00007fe449108a57 in _IO_new_file_write () at /lib64/libc.so.6
#2  0x00007fe449109368 in __GI__IO_file_xsputn () at /lib64/libc.so.6
#3  0x00007fe4490dea45 in buffered_vfprintf () at /lib64/libc.so.6
#4  0x00007fe4490dbbf5 in vfprintf () at /lib64/libc.so.6
#5  0x00007fe4491a5bb9 in __fprintf_chk () at /lib64/libc.so.6
#6  0x00007fe43ab4086e in _warn_helper () at /lib64/libevent-2.0.so.5
#7  0x00007fe43ab40a64 in event_warn () at /lib64/libevent-2.0.so.5
#8  0x00007fe43ab451e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#9  0x00007fe43ab2f18a in event_base_loop () at /lib64/libevent-2.0.so.5
#10 0x00007fe4454b5a12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe4447e9ce8 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe4447ea11b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#18 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fe410ff9700 (LWP 2315)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fd125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1e5 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4447e9c38 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4447ea10b in content::BrowserThreadImpl::Run(base::MessageLoop*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe445508a78 in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#11 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fe4117fa700 (LWP 2314)):
#0  0x00007fe440fdf809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fc912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe44550b4f0 in base::PosixDynamicThreadPool::WaitForTask() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe44550ba23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fe411ffb700 (LWP 2313)):
#0  0x00007fe440fdf809 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fc912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe44550b4f0 in base::PosixDynamicThreadPool::WaitForTask() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe44550ba23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe4127fc700 (LWP 2312)):
#0  0x00007fe440fdf460 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe4454fd125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () at /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe4454fd1e5 in base::WaitableEvent::Wait() () at /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe4454dee13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe412ffd700 (LWP 2311)):
#0  0x00007fe4491a3f5c in __lll_lock_wait_private () at /lib64/libc.so.6
#1  0x00007fe4491a5b64 in __fprintf_chk () at /lib64/libc.so.6
#2  0x00007fe43ab4086e in _warn_helper () at /lib64/libevent-2.0.so.5
#3  0x00007fe43ab40a64 in event_warn () at /lib64/libevent-2.0.so.5
#4  0x00007fe43ab451e8 in epoll_dispatch () at /lib64/libevent-2.0.so.5
#5  0x00007fe43ab2f18a in event_base_loop () at /lib64/libevent-2.0.so.5
#6  0x00007fe4454b5a12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () at /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe4454f084a in base::RunLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe4454db2e5 in base::MessageLoop::Run() () at /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe4455089fa in base::Thread::ThreadMain() () at /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe445504fdc in base::(anonymous namespace)::ThreadFunc(void*) () at /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#12 0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe41a1b4700 (LWP 2304)):
#0  0x00007fe44918a01d in poll () at /lib64/libc.so.6
#1  0x00007fe43c555156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe449f9073b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fe449d9e5f3 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fe44eda9739 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007fe449da29da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fe440fd96ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fe449195f7f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe4314c2940 (LWP 2301)):
[KCrash Handler]
#6  0x00007fe4490c391f in raise () at /lib64/libc.so.6
#7  0x00007fe4490c551a in abort () at /lib64/libc.so.6
#8  0x00007fe449107200 in __libc_message () at /lib64/libc.so.6
#9  0x00007fe44911088a in _int_free () at /lib64/libc.so.6
#10 0x00007fe4491142bc in free () at /lib64/libc.so.6
#11 0x00007fe41e276dbc in nouveau_fence_trigger_work () at /usr/lib64/dri/nouveau_dri.so
#12 0x00007fe41e277007 in nouveau_fence_update () at /usr/lib64/dri/nouveau_dri.so
#13 0x00007fe41e3196ff in nv50_default_kick_notify () at /usr/lib64/dri/nouveau_dri.so
#14 0x00007fe41d6fdd5c in pushbuf_submit.isra () at /lib64/libdrm_nouveau.so.2
#15 0x00007fe41d6fe00f in pushbuf_flush () at /lib64/libdrm_nouveau.so.2
#16 0x00007fe41d6febc0 in nouveau_pushbuf_kick () at /lib64/libdrm_nouveau.so.2
#17 0x00007fe41e319c16 in nv50_flush () at /usr/lib64/dri/nouveau_dri.so
#18 0x00007fe41df3edd4 in st_glFlush () at /usr/lib64/dri/nouveau_dri.so
#19 0x00007fe41ddec9c8 in _mesa_make_current () at /usr/lib64/dri/nouveau_dri.so
#20 0x00007fe41df71e2b in st_api_make_current () at /usr/lib64/dri/nouveau_dri.so
#21 0x00007fe41e0dba7f in dri_unbind_context () at /usr/lib64/dri/nouveau_dri.so
#22 0x00007fe41e0db52a in driUnbindContext () at /usr/lib64/dri/nouveau_dri.so
#23 0x00007fe43f5e0f05 in glXMakeCurrentReadSGI () at /lib64/libGL.so.1
#24 0x00007fe42a91f1a0 in QGLXContext::makeCurrent(QPlatformSurface*) () at /usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#25 0x00007fe44a2b0b08 in QOpenGLContext::makeCurrent(QSurface*) () at /lib64/libQt5Gui.so.5
#26 0x00007fe44a7ea6b1 in QOpenGLWidget::makeCurrent() () at /lib64/libQt5Widgets.so.5
#27 0x00007fe44a7ea845 in QOpenGLWidgetPrivate::render() () at /lib64/libQt5Widgets.so.5
#28 0x00007fe44a7ca780 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#29 0x00007fe44ed250ab in QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () at /lib64/libQt5WebEngineWidgets.so.5
#30 0x00007fe44a782ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#31 0x00007fe44a78a671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#32 0x00007fe449f427aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#33 0x00007fe44a7c346a in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /lib64/libQt5Widgets.so.5
#34 0x00007fe44a7929ae in QWidgetBackingStore::doSync() () at /lib64/libQt5Widgets.so.5
#35 0x00007fe44a79347f in QWidgetBackingStore::sync() () at /lib64/libQt5Widgets.so.5
#36 0x00007fe44a7b23df in QWidgetPrivate::syncBackingStore() () at /lib64/libQt5Widgets.so.5
#37 0x00007fe44a7ca858 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#38 0x00007fe44a8ca01b in QMainWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5
#39 0x00007fe44d6247b7 in KMainWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#40 0x00007fe44d669365 in KXmlGuiWindow::event(QEvent*) () at /lib64/libKF5XmlGui.so.5
#41 0x00007fe44a782ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#42 0x00007fe44a78a671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#43 0x00007fe449f427aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#44 0x00007fe449f44e90 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#45 0x00007fe449f906a3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#46 0x00007fe43c554e42 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#47 0x00007fe43c5551c0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#48 0x00007fe43c55526c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#49 0x00007fe449f9071f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#50 0x00007fe449f4173a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#51 0x00007fe449f4923c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#52 0x000055d869e8146f in main ()

Possible duplicates by query: bug 369001.

Reported using DrKonqi
Comment 1 Christoph Feck 2016-12-31 02:45:42 UTC 
The crash is in the nouveau dr

*** This bug has been marked as a duplicate of bug 368434 ***