Application: kmail (5.2.80 beta1 (QtWebEngine))
 (Compiled from sources)
Qt Version: 5.6.1
Frameworks Version: 5.24.0
Operating System: Linux 4.7.0-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

-- Information about the crash:
- What I was doing when the application crashed:

Leaving KMail do its sync stuff on the background.
About 2 weeks of mails in 4 accounts to sync.

- Custom settings of the application:
Using PostgreSQL.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f78f42cb880 (LWP 1162))]

Thread 37 (Thread 0x7f78e8608700 (LWP 1165)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f78f1f904c3 in radeon_drm_cs_emit_ioctl () from /usr/lib64/dri/r600_dri.so
#2  0x00007f78f1f8fce7 in impl_thrd_routine () from /usr/lib64/dri/r600_dri.so
#3  0x00007f791dab05c4 in start_thread (arg=0x7f78e8608700) at pthread_create.c:334
#4  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 36 (Thread 0x7f78e71f8700 (LWP 1166)):
#0  0x00007f791bfba160 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f791bf78f09 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f7929863e35 in QDBusConnectionManager::run() () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f791dab05c4 in start_thread (arg=0x7f78e71f8700) at pthread_create.c:334
#9  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 35 (Thread 0x7f78e5fe7700 (LWP 1168)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78e5fe6b30) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278ceed0 in timerSourceCheckHelper(GTimerSource*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f791bf789a1 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#6  0x00007f791bf78ea8 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#7  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#9  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#10 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#11 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f791dab05c4 in start_thread (arg=0x7f78e5fe7700) at pthread_create.c:334
#13 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 34 (Thread 0x7f78e57e6700 (LWP 1169)):
#0  0x00007f7926d8257d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f791bf78f14 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791dab05c4 in start_thread (arg=0x7f78e57e6700) at pthread_create.c:334
#8  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 33 (Thread 0x7f78e4fe5700 (LWP 1171)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78e4fe4ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f78e4fe5700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 32 (Thread 0x7f78d7fff700 (LWP 1173)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78d7ffead0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f78d7fff700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 31 (Thread 0x7f78d77fe700 (LWP 1175)):
#0  0x00007f791bfba139 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f791bf78e05 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791dab05c4 in start_thread (arg=0x7f78d77fe700) at pthread_create.c:334
#8  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 30 (Thread 0x7f78d5422700 (LWP 1177)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78d5421ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f78d5422700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 29 (Thread 0x7f78d4c21700 (LWP 1179)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78d4c20ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f78d4c21700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 28 (Thread 0x7f78c3180700 (LWP 1183)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7926d991f6 in ___fprintf_chk (fp=0x7f7927038780 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f790a936cd1 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f790a91f8df in fprintf (__fmt=0x7f790a936cd1 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f78c317f660 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:222
#4  _warn_helper (severity=severity@entry=2, errstr=0x7f7926e02757 "Bad file descriptor", fmt=fmt@entry=0x7f790a93759a "epoll_wait", ap=ap@entry=0x7f78c317fa98) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:187
#5  0x00007f790a91fab7 in event_warn (fmt=fmt@entry=0x7f790a93759a "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:101
#6  0x00007f790a923dc8 in epoll_dispatch (base=0x7f78b0001960, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/epoll.c:413
#7  0x00007f790a911252 in event_base_loop (base=0x7f78b0001960, flags=1) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/event.c:1625
#8  0x00007f7915014af1 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f791dab05c4 in start_thread (arg=0x7f78c3180700) at pthread_create.c:334
#14 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 27 (Thread 0x7f78c297f700 (LWP 1184)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791dab05c4 in start_thread (arg=0x7f78c297f700) at pthread_create.c:334
#9  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 26 (Thread 0x7f78c117c700 (LWP 1187)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f7914649425 in content::BrowserThreadImpl::DBThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f79146497db in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f791dab05c4 in start_thread (arg=0x7f78c117c700) at pthread_create.c:334
#11 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 25 (Thread 0x7f78c097b700 (LWP 1188)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7926d991f6 in ___fprintf_chk (fp=0x7f7927038780 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f790a936cd1 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f790a91f8df in fprintf (__fmt=0x7f790a936cd1 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f78c097a310 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:222
#4  _warn_helper (severity=severity@entry=2, errstr=0x7f7926e02757 "Bad file descriptor", fmt=fmt@entry=0x7f790a93759a "epoll_wait", ap=ap@entry=0x7f78c097a748) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:187
#5  0x00007f790a91fab7 in event_warn (fmt=fmt@entry=0x7f790a93759a "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:101
#6  0x00007f790a923dc8 in epoll_dispatch (base=0x1da9240, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/epoll.c:413
#7  0x00007f790a911252 in event_base_loop (base=0x1da9240, flags=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/event.c:1625
#8  0x00007f7915014a5e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f79146494a5 in content::BrowserThreadImpl::FileThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f79146497eb in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f791dab05c4 in start_thread (arg=0x7f78c097b700) at pthread_create.c:334
#16 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 24 (Thread 0x7f78a7fff700 (LWP 1189)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f7914649525 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f79146497fb in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f791dab05c4 in start_thread (arg=0x7f78a7fff700) at pthread_create.c:334
#11 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 23 (Thread 0x7f78a77fe700 (LWP 1190)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f79146495a5 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f791464980b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f791dab05c4 in start_thread (arg=0x7f78a77fe700) at pthread_create.c:334
#11 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f78a6ffd700 (LWP 1191)):
#0  0x00007f7926d7e6dd in write () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f7926d16770 in _IO_new_file_write (f=0x7f79270370a0 <_IO_2_1_stderr_>, data=0x7f78a6ff9c50, n=39) at fileops.c:1263
#2  0x00007f7926d15d93 in new_do_write (fp=fp@entry=0x7f79270370a0 <_IO_2_1_stderr_>, data=data@entry=0x7f78a6ff9c50 "[warn] epoll_wait: Bad file descriptor\n", to_do=to_do@entry=39) at fileops.c:518
#3  0x00007f7926d16d76 in _IO_new_file_xsputn (f=0x7f79270370a0 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1342
#4  0x00007f7926ced28b in buffered_vfprintf (s=s@entry=0x7f79270370a0 <_IO_2_1_stderr_>, format=format@entry=0x7f790a936cd1 "[%s] %s\n", args=args@entry=0x7f78a6ffc228) at vfprintf.c:2367
#5  0x00007f7926cea5ee in _IO_vfprintf_internal (s=s@entry=0x7f79270370a0 <_IO_2_1_stderr_>, format=format@entry=0x7f790a936cd1 "[%s] %s\n", ap=ap@entry=0x7f78a6ffc228) at vfprintf.c:1292
#6  0x00007f7926d99253 in ___fprintf_chk (fp=0x7f79270370a0 <_IO_2_1_stderr_>, flag=flag@entry=1, format=format@entry=0x7f790a936cd1 "[%s] %s\n") at fprintf_chk.c:35
#7  0x00007f790a91f8df in fprintf (__fmt=0x7f790a936cd1 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#8  event_log (msg=0x7f78a6ffc310 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:222
#9  _warn_helper (severity=severity@entry=2, errstr=0x7f7926e02757 "Bad file descriptor", fmt=fmt@entry=0x7f790a93759a "epoll_wait", ap=ap@entry=0x7f78a6ffc748) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:187
#10 0x00007f790a91fab7 in event_warn (fmt=fmt@entry=0x7f790a93759a "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:101
#11 0x00007f790a923dc8 in epoll_dispatch (base=0x7f78a8003a40, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/epoll.c:413
#12 0x00007f790a911252 in event_base_loop (base=0x7f78a8003a40, flags=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/event.c:1625
#13 0x00007f7915014a5e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f7914649625 in content::BrowserThreadImpl::CacheThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f791464981b in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#19 0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#20 0x00007f791dab05c4 in start_thread (arg=0x7f78a6ffd700) at pthread_create.c:334
#21 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f78a67fc700 (LWP 1192)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7926d991f6 in ___fprintf_chk (fp=0x7f7927038780 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f790a936cd1 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f790a91f8df in fprintf (__fmt=0x7f790a936cd1 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f78a67fb310 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:222
#4  _warn_helper (severity=severity@entry=2, errstr=0x7f7926e02757 "Bad file descriptor", fmt=fmt@entry=0x7f790a93759a "epoll_wait", ap=ap@entry=0x7f78a67fb748) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:187
#5  0x00007f790a91fab7 in event_warn (fmt=fmt@entry=0x7f790a93759a "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/log.c:101
#6  0x00007f790a923dc8 in epoll_dispatch (base=0x7f78b40029e0, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/epoll.c:413
#7  0x00007f790a911252 in event_base_loop (base=0x7f78b40029e0, flags=2) at /var/tmp/portage/dev-libs/libevent-2.0.22/work/libevent-2.0.22-stable/event.c:1625
#8  0x00007f7915014a5e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f79146496a5 in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f79146497bb in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f791dab05c4 in start_thread (arg=0x7f78a67fc700) at pthread_create.c:334
#16 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f78a5ffb700 (LWP 1193)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791dab05c4 in start_thread (arg=0x7f78a5ffb700) at pthread_create.c:334
#9  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f78a57fa700 (LWP 1194)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f79149b57a9 in cc::TaskGraphRunner::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f791505f150 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f791dab05c4 in start_thread (arg=0x7f78a57fa700) at pthread_create.c:334
#5  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f78a4ff9700 (LWP 1195)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7915054cdf in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7915054db4 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791503762b in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f791dab05c4 in start_thread (arg=0x7f78a4ff9700) at pthread_create.c:334
#9  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f789ffff700 (LWP 1196)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f791505e169 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f791505e92d in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791505f150 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f791dab05c4 in start_thread (arg=0x7f789ffff700) at pthread_create.c:334
#6  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f789f7fe700 (LWP 1197)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7914f79130 in mojo::system::Waiter::Wait(unsigned long, unsigned int*) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f7914f66c0b in mojo::system::Core::WaitManyInternal(unsigned int const*, unsigned int const*, unsigned int, unsigned long, unsigned int*, mojo::system::HandleSignalsState*) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f7914f66e85 in mojo::system::Core::WaitMany(mojo::system::UserPointer<unsigned int const>, mojo::system::UserPointer<unsigned int const>, unsigned int, unsigned long, mojo::system::UserPointer<unsigned int>, mojo::system::UserPointer<MojoHandleSignalsState>) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f7914f63777 in MojoWaitMany () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f79163d120a in mojo::common::MessagePumpMojo::DoInternalWork(mojo::common::MessagePumpMojo::RunState const&, bool) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f79163d1521 in mojo::common::MessagePumpMojo::DoRunLoop(mojo::common::MessagePumpMojo::RunState*, base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f79163d1612 in mojo::common::MessagePumpMojo::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f7915047bd2 in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f79150336c5 in base::MessageLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f791505f4d0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f791dab05c4 in start_thread (arg=0x7f789f7fe700) at pthread_create.c:334
#13 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f789eb56700 (LWP 1201)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f791505e169 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f791505e92d in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791505f150 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f791dab05c4 in start_thread (arg=0x7f789eb56700) at pthread_create.c:334
#6  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f789af87700 (LWP 1203)):
#0  0x00007f791bf78b0a in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f791bf78f88 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791dab05c4 in start_thread (arg=0x7f789af87700) at pthread_create.c:334
#8  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f789a168700 (LWP 1216)):
#0  0x00007f7926d7e67d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f791bfb8fd0 in g_wakeup_acknowledge () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf78a49 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f791bf78ea8 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#9  0x00007f791dab05c4 in start_thread (arg=0x7f789a168700) at pthread_create.c:334
#10 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f78982fe700 (LWP 1218)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f78982fdad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f78982fe700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f7896415700 (LWP 1223)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f7896414ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f7896415700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f7895c14700 (LWP 1226)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f7895c13ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f7895c14700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f7895413700 (LWP 1228)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f7895412ad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f7895413700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f7894c12700 (LWP 1230)):
#0  0x00007f791bf78817 in g_main_context_query () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f791bf78e7f in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791dab05c4 in start_thread (arg=0x7f7894c12700) at pthread_create.c:334
#8  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f7893ca0700 (LWP 1241)):
#0  0x00007ffc69ba1a80 in clock_gettime ()
#1  0x00007f7926d97d56 in __GI___clock_gettime (clock_id=1, tp=0x7f7893c9fad0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f792778c1a3 in qt_gettime() () from /usr/lib64/libQt5Core.so.5
#3  0x00007f79278cd1b9 in QTimerInfoList::updateCurrentTime() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f79278cd545 in QTimerInfoList::timerWait(timespec&) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f79278ce84c in timerSourcePrepareHelper(GTimerSource*, int*) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f79278ce905 in timerSourcePrepare(_GSource*, int*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f791bf7855d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#8  0x00007f791bf78e30 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#9  0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#10 0x00007f79278ceb1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#11 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#12 0x00007f79276ebb0a in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79276f001d in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f791dab05c4 in start_thread (arg=0x7f7893ca0700) at pthread_create.c:334
#15 0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f78929d4700 (LWP 1253)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f791034449b in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/libQt5Script.so.5
#2  0x00007f79103444c9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/libQt5Script.so.5
#3  0x00007f791dab05c4 in start_thread (arg=0x7f78929d4700) at pthread_create.c:334
#4  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f7810b96700 (LWP 1290)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7919648d33 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f7919648d59 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f791dab05c4 in start_thread (arg=0x7f7810b96700) at pthread_create.c:334
#4  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f77d0393700 (LWP 1292)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f791935704d in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f79196773a1 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f791dab05c4 in start_thread (arg=0x7f77d0393700) at pthread_create.c:334
#4  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f77cfb92700 (LWP 1293)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f7919358023 in JSC::GCThread::gcThreadMain() () from /usr/lib64/libQt5WebKit.so.5
#2  0x00007f79196773a1 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib64/libQt5WebKit.so.5
#3  0x00007f791dab05c4 in start_thread (arg=0x7f77cfb92700) at pthread_create.c:334
#4  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f77cef91700 (LWP 1301)):
#0  pthread_cond_wait () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f791505e169 in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f791505e92d in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f791505f150 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f791505be9e in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f791dab05c4 in start_thread (arg=0x7f77cef91700) at pthread_create.c:334
#6  0x00007f7926d8b39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f78f42cb880 (LWP 1162)):
[KCrash Handler]
#6  0x00007f792279b2b0 in Akonadi::MessageStatus::toQInt32() const () from /usr/lib64/libKF5AkonadiMime.so.5
#7  0x00007f7925d07aec in MessageList::Core::ModelPrivate::attachMessageToParent(MessageList::Core::Item*, MessageList::Core::MessageItem*, MessageList::Core::ModelPrivate::AttachOptions) () from /usr/lib64/libKF5MessageList.so.5
#8  0x00007f7925d099f4 in MessageList::Core::ModelPrivate::viewItemJobStepInternalForJobPass2(MessageList::Core::ViewItemJob*, QElapsedTimer const&) () from /usr/lib64/libKF5MessageList.so.5
#9  0x00007f7925d0a904 in MessageList::Core::ModelPrivate::viewItemJobStepInternalForJob(MessageList::Core::ViewItemJob*, QElapsedTimer const&) () from /usr/lib64/libKF5MessageList.so.5
#10 0x00007f7925d0ae6e in MessageList::Core::ModelPrivate::viewItemJobStepInternal() () from /usr/lib64/libKF5MessageList.so.5
#11 0x00007f7925d0b554 in MessageList::Core::ModelPrivate::viewItemJobStep() () from /usr/lib64/libKF5MessageList.so.5
#12 0x00007f79278ab3bb in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#13 0x00007f79278b7662 in QTimer::timerEvent(QTimerEvent*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f79278ac264 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#15 0x00007f79280aa44c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#16 0x00007f79280aeaaa in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#17 0x00007f79278845e6 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#18 0x00007f79278ce32e in QTimerInfoList::activateTimers() () from /usr/lib64/libQt5Core.so.5
#19 0x00007f79278ce7c1 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/libQt5Core.so.5
#20 0x00007f791bf78d34 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#21 0x00007f791bf78f88 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#22 0x00007f791bf7902c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f79278ceafc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#24 0x00007f792788324b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#25 0x00007f792788a9d6 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#26 0x0000000000403bdf in main ()

Reported using DrKonqi