Bug 375294

Summary: Kontact crash completely selecting text from emails
Product: [Applications] kontact Reporter: Miquel Morancho <miquel.morancho>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: miquel.morancho
Priority: NOR    
Version: 5.3.3   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Miquel Morancho 2017-01-19 13:36:08 UTC 
Application: kontact (5.3.3 (QtWebEngine))

Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.9.3-200.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
<Selecting text from emails from inbox or other folders, to make a "copy & paste" on a new email.
If I repeat the operation again, it crash always>

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe8bafa8e00 (LWP 3730))]

Thread 42 (Thread 0x7fe7597e3700 (LWP 3913)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625d99a in g_main_context_query () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e0c8 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 41 (Thread 0x7fe75b67e700 (LWP 3832)):
#0  0x00007fe8d2ea301d in poll () from /lib64/libc.so.6
#1  0x00007fe8c625e156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 40 (Thread 0x7fe75bfff700 (LWP 3804)):
#0  0x00007fe8c62a37f9 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625e112 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 39 (Thread 0x7fe778ff9700 (LWP 3802)):
#0  0x00007fe8d2e9ebed in read () from /lib64/libc.so.6
#1  0x00007fe8c62a2450 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625dc60 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 38 (Thread 0x7fe7797fa700 (LWP 3800)):
#0  0x00007fe8c625b1bb in g_source_iter_next () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625dac4 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 37 (Thread 0x7fe779ffb700 (LWP 3798)):
#0  0x00007fe8d2e9ebed in read () from /lib64/libc.so.6
#1  0x00007fe8c62a2450 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625dc60 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 36 (Thread 0x7fe77a7fc700 (LWP 3796)):
#0  0x00007fe8d2ea301d in poll () from /lib64/libc.so.6
#1  0x00007fe8c625e156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 35 (Thread 0x7fe77affd700 (LWP 3794)):
#0  0x00007fe8d3a92ae0 in clock_gettime@plt () from /lib64/libQt5Core.so.5
#1  0x00007fe8d3b52af1 in qt_gettime() () from /lib64/libQt5Core.so.5
#2  0x00007fe8d3ca7de9 in QTimerInfoList::updateCurrentTime() () from /lib64/libQt5Core.so.5
#3  0x00007fe8d3ca81e5 in QTimerInfoList::timerWait(timespec&) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3ca93dc in timerSourcePrepareHelper(GTimerSource*, int*) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ca94a5 in timerSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#6  0x00007fe8c625d699 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#7  0x00007fe8c625e07b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#8  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#9  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#10 0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#11 0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#12 0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#13 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7fe77b7fe700 (LWP 3792)):
#0  0x00007fe8d3ab3d89 in QMutex::unlock() () from /lib64/libQt5Core.so.5
#1  0x00007fe8d3ca9611 in postEventSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#2  0x00007fe8c625d699 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e07b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7fe77bfff700 (LWP 3790)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625dffd in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7fe788f02700 (LWP 3788)):
#0  0x00007fe8c625e0e6 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#2  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#6  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#7  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7fe78b7fe700 (LWP 3780)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625e276 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#2  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#3  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#6  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#7  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7fe78bfff700 (LWP 3778)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625db25 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7fe7a0efe700 (LWP 3775)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625dba1 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7fe7a2562700 (LWP 3773)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625e14a in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7fe7a2d63700 (LWP 3771)):
#0  0x00007fe8d2ea301d in poll () from /lib64/libc.so.6
#1  0x00007fe8c625e156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7fe7a3564700 (LWP 3769)):
#0  0x00007fe8d2e9ebed in read () from /lib64/libc.so.6
#1  0x00007fe8c62a2450 in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625dc60 in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e0f4 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#4  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#5  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#7  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7fe7a3d65700 (LWP 3768)):
#0  0x00007fe8d2ea301d in poll () from /lib64/libc.so.6
#1  0x00007fe8c625e156 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#7  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fe84def5700 (LWP 3766)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8bd0ed2f4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQt5Script.so.5
#2  0x00007fe8bd0ed339 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQt5Script.so.5
#3  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fe84e7fc700 (LWP 3759)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf220c49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf221289 in base::SequencedWorkerPool::Worker::Run() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf221440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fe84effd700 (LWP 3758)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf220c49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf221289 in base::SequencedWorkerPool::Worker::Run() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf221440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fe84f7fe700 (LWP 3757)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf220c49 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf221289 in base::SequencedWorkerPool::Worker::Run() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf221440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fe84ffff700 (LWP 3756)):
#0  0x00007fe8addd90b0 in pa_read () from /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#1  0x00007fe8ae25f33e in pa_mainloop_prepare () from /lib64/libpulse.so.0
#2  0x00007fe8ae25fdb0 in pa_mainloop_iterate () from /lib64/libpulse.so.0
#3  0x00007fe8ae25fe70 in pa_mainloop_run () from /lib64/libpulse.so.0
#4  0x00007fe8ae26de99 in thread () from /lib64/libpulse.so.0
#5  0x00007fe8ade08178 in internal_thread_func () from /usr/lib64/pulseaudio/libpulsecommon-9.0.so
#6  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#7  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fe878ff9700 (LWP 3755)):
#0  0x00007fe8d2ebcf5c in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007fe8d2ebeb64 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007fe8c489586e in _warn_helper () from /lib64/libevent-2.0.so.5
#3  0x00007fe8c4895a64 in event_warn () from /lib64/libevent-2.0.so.5
#4  0x00007fe8c489a1e8 in epoll_dispatch () from /lib64/libevent-2.0.so.5
#5  0x00007fe8c488418a in event_base_loop () from /lib64/libevent-2.0.so.5
#6  0x00007fe8cf1ce97e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#12 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fe8797fa700 (LWP 3754)):
#0  0x00007fe8cace9809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf215912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161b5 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e51 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fe879ffb700 (LWP 3753)):
[KCrash Handler]
#6  0x00007fe8ac16f22f in pushbuf_kref () from /lib64/libdrm_nouveau.so.2
#7  0x00007fe8ac16f8b9 in pushbuf_validate () from /lib64/libdrm_nouveau.so.2
#8  0x00007fe8a77541b6 in nvc0_flush () from /usr/lib64/dri/nouveau_dri.so
#9  0x00007fe8a72a96f9 in _mesa_FenceSync () from /usr/lib64/dri/nouveau_dri.so
#10 0x00007fe8ced9299d in gfx::GLFenceARB::GLFenceARB() () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8ced92506 in gfx::GLFence::Create() () from /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe8cf80f100 in gpu::gles2::CommandsCompletedQuery::End(int) () from /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe8cf7ad891 in gpu::gles2::GLES2DecoderImpl::HandleEndQueryEXT(unsigned int, void const*) () from /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe8cf7da7c2 in gpu::error::Error gpu::gles2::GLES2DecoderImpl::DoCommandsImpl<false>(unsigned int, void const*, int, int*) () from /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe8cf82937a in gpu::CommandParser::ProcessCommands(int) () from /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe8cf7ee56a in gpu::GpuScheduler::PutChanged() () from /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe8cebaa490 in content::GpuCommandBufferStub::OnAsyncFlush(int, unsigned int, std::vector<ui::LatencyInfo, std::allocator<ui::LatencyInfo> > const&) () from /lib64/libQt5WebEngineCore.so.5
#18 0x00007fe8cebadad1 in content::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) () from /lib64/libQt5WebEngineCore.so.5
#19 0x00007fe8ceba920e in content::GpuChannel::HandleMessage() [clone .part.322] () from /lib64/libQt5WebEngineCore.so.5
#20 0x00007fe8cf248fa9 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5
#21 0x00007fe8cf1f4ed9 in base::MessageLoop::RunTask(base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5
#22 0x00007fe8cf1f5a99 in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) () from /lib64/libQt5WebEngineCore.so.5
#23 0x00007fe8cf1f5f52 in base::MessageLoop::DoWork() () from /lib64/libQt5WebEngineCore.so.5
#24 0x00007fe8cf1f7dc9 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#25 0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#26 0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#27 0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#28 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#29 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#30 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fe87a7fc700 (LWP 3752)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cedc21c0 in mojo::system::Waiter::Wait(unsigned long, unsigned long*) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cedaaff0 in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cedab37b in mojo::system::Core::Wait(unsigned int, unsigned int, unsigned long, mojo::system::UserPointer<MojoHandleSignalsState>) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8ceda700a in MojoWait () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cff2082e in mojo::common::MessagePumpMojo::WaitForReadyHandles(mojo::common::MessagePumpMojo::RunState const&) const () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8cff22be4 in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cff22c35 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cff22d09 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fe87affd700 (LWP 3751)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8ce8dba0d in cc::SingleThreadTaskGraphRunner::Run() () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf22131e in base::DelegateSimpleThread::Run() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf221440 in base::SimpleThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fe87b7fe700 (LWP 3750)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf216125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fe87bfff700 (LWP 3749)):
#0  0x00007fe8d2ebcf5c in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007fe8d2ebeb64 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007fe8c489586e in _warn_helper () from /lib64/libevent-2.0.so.5
#3  0x00007fe8c4895a64 in event_warn () from /lib64/libevent-2.0.so.5
#4  0x00007fe8c489a1e8 in epoll_dispatch () from /lib64/libevent-2.0.so.5
#5  0x00007fe8c488418a in event_base_loop () from /lib64/libevent-2.0.so.5
#6  0x00007fe8cf1ceac5 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8ce502fa8 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8ce5030eb in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fe888ff9700 (LWP 3748)):
#0  0x00007fe8d2e9ec4d in write () from /lib64/libc.so.6
#1  0x00007fe8d2e21a57 in _IO_new_file_write () from /lib64/libc.so.6
#2  0x00007fe8d2e22368 in __GI__IO_file_xsputn () from /lib64/libc.so.6
#3  0x00007fe8d2df7a45 in buffered_vfprintf () from /lib64/libc.so.6
#4  0x00007fe8d2df4bf5 in vfprintf () from /lib64/libc.so.6
#5  0x00007fe8d2ebebb9 in __fprintf_chk () from /lib64/libc.so.6
#6  0x00007fe8c489586e in _warn_helper () from /lib64/libevent-2.0.so.5
#7  0x00007fe8c4895a64 in event_warn () from /lib64/libevent-2.0.so.5
#8  0x00007fe8c489a1e8 in epoll_dispatch () from /lib64/libevent-2.0.so.5
#9  0x00007fe8c488418a in event_base_loop () from /lib64/libevent-2.0.so.5
#10 0x00007fe8cf1ce97e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe8ce502ef8 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#14 0x00007fe8ce50314b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#15 0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#16 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#17 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#18 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fe8897fa700 (LWP 3747)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf216125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8ce502e48 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8ce50313b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#11 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fe889ffb700 (LWP 3746)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf216125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8ce502d98 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8ce50312b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#11 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fe88a7fc700 (LWP 3745)):
#0  0x00007fe8d2ebcf5c in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007fe8d2ebeb64 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007fe8c489586e in _warn_helper () from /lib64/libevent-2.0.so.5
#3  0x00007fe8c4895a64 in event_warn () from /lib64/libevent-2.0.so.5
#4  0x00007fe8c489a1e8 in epoll_dispatch () from /lib64/libevent-2.0.so.5
#5  0x00007fe8c488418a in event_base_loop () from /lib64/libevent-2.0.so.5
#6  0x00007fe8cf1cea12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8ce502ce8 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8ce50311b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#12 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#13 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#14 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fe88affd700 (LWP 3744)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf216125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8ce502c38 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8ce50310b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf221a78 in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#11 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fe88b7fe700 (LWP 3743)):
#0  0x00007fe8cace9809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf215912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2244f0 in base::PosixDynamicThreadPool::WaitForTask() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf224a23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fe88bfff700 (LWP 3742)):
#0  0x00007fe8cace9809 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf215912 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2244f0 in base::PosixDynamicThreadPool::WaitForTask() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf224a23 in base::(anonymous namespace)::WorkerThread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fe8a088b700 (LWP 3741)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8cf216125 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /lib64/libQt5WebEngineCore.so.5
#2  0x00007fe8cf2161e5 in base::WaitableEvent::Wait() () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cf1f7e13 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#5  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#6  0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fe8a108c700 (LWP 3740)):
#0  0x00007fe8d2ebcf5c in __lll_lock_wait_private () from /lib64/libc.so.6
#1  0x00007fe8d2ebeb64 in __fprintf_chk () from /lib64/libc.so.6
#2  0x00007fe8c489586e in _warn_helper () from /lib64/libevent-2.0.so.5
#3  0x00007fe8c4895a64 in event_warn () from /lib64/libevent-2.0.so.5
#4  0x00007fe8c489a1e8 in epoll_dispatch () from /lib64/libevent-2.0.so.5
#5  0x00007fe8c488418a in event_base_loop () from /lib64/libevent-2.0.so.5
#6  0x00007fe8cf1cea12 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /lib64/libQt5WebEngineCore.so.5
#7  0x00007fe8cf20984a in base::RunLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#8  0x00007fe8cf1f42e5 in base::MessageLoop::Run() () from /lib64/libQt5WebEngineCore.so.5
#9  0x00007fe8cf2219fa in base::Thread::ThreadMain() () from /lib64/libQt5WebEngineCore.so.5
#10 0x00007fe8cf21dfdc in base::(anonymous namespace)::ThreadFunc(void*) () from /lib64/libQt5WebEngineCore.so.5
#11 0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#12 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fe8a3a72700 (LWP 3733)):
#0  0x00007fe8c62a3814 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fe8c625dd1b in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#2  0x00007fe8c625e1c0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fe8d3ca973b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fe8d3ab75f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fe8d8abd739 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#8  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fe8b02c0700 (LWP 3732)):
#0  0x00007fe8d2ea301d in poll () from /lib64/libc.so.6
#1  0x00007fe8c974ed10 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007fe8c9750aa9 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007fe8b4310d69 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007fe8d3abb9da in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007fe8cace36ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fe8d2eaef7f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fe8bafa8e00 (LWP 3730)):
#0  0x00007fe8cace9460 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe8d3abc05a in QWaitCondition::wait(QMutex*, unsigned long) () from /lib64/libQt5Core.so.5
#2  0x00007fe8cd9486cb in QtWebEngineCore::DelegatedFrameNode::fetchAndSyncMailboxes(QList<QtWebEngineCore::MailboxTexture*>&) () from /lib64/libQt5WebEngineCore.so.5
#3  0x00007fe8cd9490be in QtWebEngineCore::DelegatedFrameNode::preprocess() () from /lib64/libQt5WebEngineCore.so.5
#4  0x00007fe8cd08a867 in QSGRenderer::preprocess() () from /lib64/libQt5Quick.so.5
#5  0x00007fe8cd089fbf in QSGRenderer::renderScene(QSGBindable const&) () from /lib64/libQt5Quick.so.5
#6  0x00007fe8cd08a6e7 in QSGRenderer::renderScene(unsigned int) () from /lib64/libQt5Quick.so.5
#7  0x00007fe8d8a38cdd in QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::paintGL() () from /lib64/libQt5WebEngineWidgets.so.5
#8  0x00007fe8d45030dd in QOpenGLWidgetPrivate::invokeUserPaint() () from /lib64/libQt5Widgets.so.5
#9  0x00007fe8d44e3780 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#10 0x00007fe8d8a390ab in QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::event(QEvent*) () from /lib64/libQt5WebEngineWidgets.so.5
#11 0x00007fe8d449becc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#12 0x00007fe8d44a3671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#13 0x00007fe8d3c5b7aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#14 0x00007fe8d44dc46a in QWidgetPrivate::sendPaintEvent(QRegion const&) () from /lib64/libQt5Widgets.so.5
#15 0x00007fe8d44ab9ae in QWidgetBackingStore::doSync() () from /lib64/libQt5Widgets.so.5
#16 0x00007fe8d44ac47f in QWidgetBackingStore::sync() () from /lib64/libQt5Widgets.so.5
#17 0x00007fe8d44cb3df in QWidgetPrivate::syncBackingStore() () from /lib64/libQt5Widgets.so.5
#18 0x00007fe8d44e3858 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#19 0x00007fe8d45e301b in QMainWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#20 0x00007fe8d733f737 in KMainWindow::event(QEvent*) () from /lib64/libKF5XmlGui.so.5
#21 0x00007fe8d73841c5 in KXmlGuiWindow::event(QEvent*) () from /lib64/libKF5XmlGui.so.5
#22 0x00007fe8d449becc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#23 0x00007fe8d44a3671 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#24 0x00007fe8d3c5b7aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#25 0x00007fe8d3c5de90 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib64/libQt5Core.so.5
#26 0x00007fe8d3ca96a3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#27 0x00007fe8c625de42 in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#28 0x00007fe8c625e1c0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#29 0x00007fe8c625e26c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#30 0x00007fe8d3ca971f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#31 0x00007fe8d3c5a73a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#32 0x00007fe8d3c6223c in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#33 0x000056287709746f in main ()
Comment 1 Christoph Feck 2017-01-25 16:27:42 UTC 

*** This bug has been marked as a duplicate of bug 374053 ***