Application: kontact (5.6.3)
 (Compiled from sources)
Qt Version: 5.9.2
Frameworks Version: 5.40.0
Operating System: Linux 4.12.12-gentoo x86_64
Distribution: "Gentoo Base System release 2.4.1"

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

Kontact crashed while closing it. Previously i was in the TODO view.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2d0ad6f2c0 (LWP 3776))]

Thread 28 (Thread 0x7f2cf57fa700 (LWP 6639)):
#0  0x00007f2d28ef619d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d23c9b700 in read (__nbytes=16, __buf=0x7f2cf57f9c50, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0x7f2bd4004f20) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gwakeup.c:210
#3  0x00007f2d23c57102 in g_main_context_check (context=context@entry=0x7f2cd80026a0, max_priority=2147483647, fds=fds@entry=0x7f2cd8001530, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3707
#4  0x00007f2d23c57620 in g_main_context_iterate (context=context@entry=0x7f2cd80026a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3926
#5  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2cd80026a0, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#6  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2cd80024b0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2cf57f9e70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#8  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#9  0x00007f2d2987c561 in QThreadPrivate::start (arg=0xf0bc0f0) at thread/qthread_unix.cpp:368
#10 0x00007f2d25e90637 in start_thread (arg=0x7f2cf57fa700) at pthread_create.c:456
#11 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 27 (Thread 0x7f2be7bf2700 (LWP 4042)):
#0  g_main_context_query (context=context@entry=0x7f2bdc000990, max_priority=2147483647, timeout=timeout@entry=0x7f2be7bf1d34, fds=fds@entry=0x7f2bdc003220, n_fds=n_fds@entry=2) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3633
#1  0x00007f2d23c575f7 in g_main_context_iterate (context=context@entry=0x7f2bdc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3911
#2  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2bdc000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#3  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2bdc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2be7bf1e70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x4d38000) at thread/qthread_unix.cpp:368
#7  0x00007f2d25e90637 in start_thread (arg=0x7f2be7bf2700) at pthread_create.c:456
#8  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 26 (Thread 0x7f2becdf2700 (LWP 4016)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x1d9eaac) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x1d9ea58, cond=0x1d9ea80) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x1d9ea80, mutex=0x1d9ea58) at pthread_cond_wait.c:655
#3  0x00007f2d1b67d5af in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b67dd47 in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b67eb10 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d25e90637 in start_thread (arg=0x7f2becdf2700) at pthread_create.c:456
#8  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 25 (Thread 0x7f2beef80700 (LWP 3830)):
#0  0x00007f2d28efa83d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d23c5767c in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2be8002e20, timeout=-1, context=0x7f2be8000990) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x7f2be8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3924
#3  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2be8000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#4  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2be80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2beef7fe70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x2477090) at thread/qthread_unix.cpp:368
#8  0x00007f2d25e90637 in start_thread (arg=0x7f2beef80700) at pthread_create.c:456
#9  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 24 (Thread 0x7f2c0227b700 (LWP 3812)):
#0  0x00007f2d23c9cb69 in g_mutex_lock (mutex=mutex@entry=0x7f2bf8000990) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gthread-posix.c:1336
#1  0x00007f2d23c56d91 in g_main_context_query (context=context@entry=0x7f2bf8000990, max_priority=2147483647, timeout=timeout@entry=0x7f2c0227ad34, fds=fds@entry=0x7f2bf8004980, n_fds=n_fds@entry=15) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3606
#2  0x00007f2d23c575f7 in g_main_context_iterate (context=context@entry=0x7f2bf8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3911
#3  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2bf8000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#4  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2bf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2c0227ae70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x1f290a0) at thread/qthread_unix.cpp:368
#8  0x00007f2d25e90637 in start_thread (arg=0x7f2c0227b700) at pthread_create.c:456
#9  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 23 (Thread 0x7f2c02a7c700 (LWP 3809)):
#0  g_source_iter_next (iter=iter@entry=0x7f2c02a7bcb0, source=source@entry=0x7f2c02a7bca8) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:981
#1  0x00007f2d23c56f6f in g_main_context_check (context=context@entry=0x7f2bf4000990, max_priority=2147483647, fds=fds@entry=0x7f2bf4003020, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3742
#2  0x00007f2d23c57620 in g_main_context_iterate (context=context@entry=0x7f2bf4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3926
#3  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2bf4000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#4  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2bf40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2c02a7be70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x20215c0) at thread/qthread_unix.cpp:368
#8  0x00007f2d25e90637 in start_thread (arg=0x7f2c02a7c700) at pthread_create.c:456
#9  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 22 (Thread 0x7f2c0327d700 (LWP 3806)):
#0  0x00007f2d23c9cb69 in g_mutex_lock (mutex=mutex@entry=0x7f2bfc000990) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gthread-posix.c:1336
#1  0x00007f2d23c57044 in g_main_context_check (context=context@entry=0x7f2bfc000990, max_priority=2147483647, fds=fds@entry=0x7f2bfc002e70, n_fds=n_fds@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3766
#2  0x00007f2d23c57620 in g_main_context_iterate (context=context@entry=0x7f2bfc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3926
#3  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2bfc000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#4  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2bfc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2c0327ce70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f2d29878344 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x2021dc0) at thread/qthread_unix.cpp:368
#8  0x00007f2d25e90637 in start_thread (arg=0x7f2c0327d700) at pthread_create.c:456
#9  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 21 (Thread 0x7f2cb4ff9700 (LWP 3805)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2d154f4018 <QTWTF::pageheap_memory+57592>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2d154f3fc8 <QTWTF::pageheap_memory+57512>, cond=0x7f2d154f3ff0 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2d154f3ff0 <QTWTF::pageheap_memory+57552>, mutex=0x7f2d154f3fc8 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655
#3  0x00007f2d153fe614 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f2d154e5f20 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x00007f2d153fe659 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00007f2d25e90637 in start_thread (arg=0x7f2cb4ff9700) at pthread_create.c:456
#6  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 20 (Thread 0x7f2cb57fa700 (LWP 3803)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x1d9eaac) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x1d9ea58, cond=0x1d9ea80) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x1d9ea80, mutex=0x1d9ea58) at pthread_cond_wait.c:655
#3  0x00007f2d1b67d5af in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b67dd47 in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b67eb10 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d25e90637 in start_thread (arg=0x7f2cb57fa700) at pthread_create.c:456
#8  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 19 (Thread 0x7f2cb5ffb700 (LWP 3801)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f2d28f1635c in ___fprintf_chk (fp=0x7f2d291ba730 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f2d1447fec8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f2d14468f5f in fprintf (__fmt=0x7f2d1447fec8 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f2cb5ffa5c0 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:251
#4  event_logv_ (severity=2, errstr=0x7f2d28f842a7 "Bad file descriptor", fmt=<optimized out>, ap=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:216
#5  0x00007f2d1446916c in event_warn (fmt=fmt@entry=0x7f2d1448005c "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:127
#6  0x00007f2d1446a920 in epoll_dispatch (base=0x7f2c9c001bf0, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/epoll.c:468
#7  0x00007f2d144608c6 in event_base_loop (base=0x7f2c9c001bf0, flags=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/event.c:1947
#8  0x00007f2d1b64ed8e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f2d25e90637 in start_thread (arg=0x7f2cb5ffb700) at pthread_create.c:456
#14 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 18 (Thread 0x7f2cb67fc700 (LWP 3800)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f2d04c6f495 in ?? () from /usr/lib64/opengl/nvidia/lib/libGLX_nvidia.so.0
#2  0x00007f2d04c6f193 in ?? () from /usr/lib64/opengl/nvidia/lib/libGLX_nvidia.so.0
#3  0x00007f2cff33270d in ?? () from /usr/lib64/libnvidia-glcore.so.384.90
#4  0x00007f2cff332ea2 in ?? () from /usr/lib64/libnvidia-glcore.so.384.90
#5  0x00007f2cff2bc91d in ?? () from /usr/lib64/libnvidia-glcore.so.384.90
#6  0x00007f2cfee9f79d in ?? () from /usr/lib64/libnvidia-glcore.so.384.90
#7  0x00007f2d1bedec7f in gpu::gles2::GLES2DecoderImpl::DoFinish() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1bedecc6 in gpu::gles2::GLES2DecoderImpl::HandleFinish(unsigned int, void const volatile*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1beec35c in gpu::error::Error gpu::gles2::GLES2DecoderImpl::DoCommandsImpl<false>(unsigned int, void const volatile*, int, int*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1bf5355a in gpu::CommandParser::ProcessCommands(int) () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1bea98cd in gpu::CommandExecutor::PutChanged() () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d1e77c032 in gpu::GpuCommandBufferStub::OnAsyncFlush(int, unsigned int, std::vector<ui::LatencyInfo, std::allocator<ui::LatencyInfo> > const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f2d1e77fd04 in gpu::GpuCommandBufferStub::OnMessageReceived(IPC::Message const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f2d1e6fc917 in IPC::MessageRouter::RouteMessage(IPC::Message const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f2d1e779dd2 in gpu::GpuChannel::HandleMessageHelper(IPC::Message const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f2d1e779e8e in gpu::GpuChannel::HandleMessage(scoped_refptr<gpu::GpuChannelMessageQueue> const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f2d1b6a64f9 in base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) () from /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f2d1b64b790 in base::MessageLoop::RunTask(base::PendingTask*) () from /usr/lib64/libQt5WebEngineCore.so.5
#19 0x00007f2d1b64d46d in base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) () from /usr/lib64/libQt5WebEngineCore.so.5
#20 0x00007f2d1b64d925 in base::MessageLoop::DoWork() () from /usr/lib64/libQt5WebEngineCore.so.5
#21 0x00007f2d1b64e7b9 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#22 0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#23 0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#24 0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#25 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#26 0x00007f2d25e90637 in start_thread (arg=0x7f2cb67fc700) at pthread_create.c:456
#27 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 17 (Thread 0x7f2cb6ffd700 (LWP 3799)):
#0  0x00007f2d28ef619d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d057ed401 in read (__nbytes=10, __buf=0x7f2cb6ffcca0, __fd=48) at /usr/include/bits/unistd.h:44
#2  pa_read (fd=48, buf=buf@entry=0x7f2cb6ffcca0, count=count@entry=10, type=type@entry=0x1df77b8) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulsecore/core-util.c:434
#3  0x00007f2d060857ee in clear_wakeup (m=<optimized out>) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulse/mainloop.c:781
#4  pa_mainloop_prepare (m=m@entry=0x1df76e0, timeout=-1) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulse/mainloop.c:789
#5  0x00007f2d06086260 in pa_mainloop_iterate (m=0x1df76e0, block=<optimized out>, retval=0x0) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulse/mainloop.c:923
#6  0x00007f2d06086320 in pa_mainloop_run (m=0x1df76e0, retval=retval@entry=0x0) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulse/mainloop.c:944
#7  0x00007f2d06094509 in thread (userdata=0x1df0730) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulse/thread-mainloop.c:100
#8  0x00007f2d0581ca88 in internal_thread_func (userdata=0x1dee4e0) at /var/tmp/portage/media-sound/pulseaudio-10.0/work/pulseaudio-10.0/src/pulsecore/thread-posix.c:81
#9  0x00007f2d25e90637 in start_thread (arg=0x7f2cb6ffd700) at pthread_create.c:456
#10 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 16 (Thread 0x7f2cb77fe700 (LWP 3798)):
#0  0x00007f2d25e97965 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f2cb77fda30, expected=0, futex_word=0x7f2cb77fdbb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f2cb77fdad0, mutex=0x7f2cb77fdb68, cond=0x7f2cb77fdb90) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f2cb77fdb90, mutex=0x7f2cb77fdb68, abstime=0x7f2cb77fdad0) at pthread_cond_wait.c:667
#3  0x00007f2d1b6aae72 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673245 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e838 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d25e90637 in start_thread (arg=0x7f2cb77fe700) at pthread_create.c:456
#11 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 15 (Thread 0x7f2cb7fff700 (LWP 3797)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x1df4ec8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x1df4e08, cond=0x1df4ea0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x1df4ea0, mutex=0x1df4e08) at pthread_cond_wait.c:655
#3  0x00007f2d1bdf725d in cc::SingleThreadTaskGraphRunner::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b67eb10 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d25e90637 in start_thread (arg=0x7f2cb7fff700) at pthread_create.c:456
#7  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7f2cd4ff9700 (LWP 3796)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2cd4ff8b98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2cd4ff8b48, cond=0x7f2cd4ff8b70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2cd4ff8b70, mutex=0x7f2cd4ff8b48) at pthread_cond_wait.c:655
#3  0x00007f2d1b6731af in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673264 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e7fd in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d25e90637 in start_thread (arg=0x7f2cd4ff9700) at pthread_create.c:456
#11 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7f2cd57fa700 (LWP 3795)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x1d9eaa8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x1d9ea58, cond=0x1d9ea80) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x1d9ea80, mutex=0x1d9ea58) at pthread_cond_wait.c:655
#3  0x00007f2d1b67d5af in base::SequencedWorkerPool::Inner::ThreadLoop(base::SequencedWorkerPool::Worker*) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b67dd47 in base::SequencedWorkerPool::Worker::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b67eb10 in base::SimpleThread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d25e90637 in start_thread (arg=0x7f2cd57fa700) at pthread_create.c:456
#8  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7f2cd5ffb700 (LWP 3794)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f2d28f1635c in ___fprintf_chk (fp=0x7f2d291ba730 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f2d1447fec8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f2d14468f5f in fprintf (__fmt=0x7f2d1447fec8 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f2cd5ffa220 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:251
#4  event_logv_ (severity=2, errstr=0x7f2d28f842a7 "Bad file descriptor", fmt=<optimized out>, ap=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:216
#5  0x00007f2d1446916c in event_warn (fmt=fmt@entry=0x7f2d1448005c "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:127
#6  0x00007f2d1446a920 in epoll_dispatch (base=0x7f2cc4001b70, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/epoll.c:468
#7  0x00007f2d144608c6 in event_base_loop (base=0x7f2cc4001b70, flags=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/event.c:1947
#8  0x00007f2d1b64ed8e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1af46de8 in content::BrowserThreadImpl::IOThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d1af46fcb in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f2d25e90637 in start_thread (arg=0x7f2cd5ffb700) at pthread_create.c:456
#16 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7f2cd67fc700 (LWP 3793)):
#0  0x00007f2d25e97965 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f2cd67fb690, expected=0, futex_word=0x7f2cd67fb818) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f2cd67fb730, mutex=0x7f2cd67fb7c8, cond=0x7f2cd67fb7f0) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f2cd67fb7f0, mutex=0x7f2cd67fb7c8, abstime=0x7f2cd67fb730) at pthread_cond_wait.c:667
#3  0x00007f2d1b6aae72 in base::ConditionVariable::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673245 in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e838 in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1af46d38 in content::BrowserThreadImpl::CacheThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1af4702b in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d25e90637 in start_thread (arg=0x7f2cd67fc700) at pthread_create.c:456
#13 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7f2cd6ffd700 (LWP 3792)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2cd6ffc7f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2cd6ffc7a8, cond=0x7f2cd6ffc7d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2cd6ffc7d0, mutex=0x7f2cd6ffc7a8) at pthread_cond_wait.c:655
#3  0x00007f2d1b6731af in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673264 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e7fd in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1af46c88 in content::BrowserThreadImpl::ProcessLauncherThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1af4701b in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d25e90637 in start_thread (arg=0x7f2cd6ffd700) at pthread_create.c:456
#13 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7f2cd77fe700 (LWP 3791)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2cd77fd7f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2cd77fd7a8, cond=0x7f2cd77fd7d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2cd77fd7d0, mutex=0x7f2cd77fd7a8) at pthread_cond_wait.c:655
#3  0x00007f2d1b6731af in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673264 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e7fd in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1af46bd8 in content::BrowserThreadImpl::FileUserBlockingThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1af4700b in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d25e90637 in start_thread (arg=0x7f2cd77fe700) at pthread_create.c:456
#13 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7f2cd7fff700 (LWP 3790)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f2d28f1635c in ___fprintf_chk (fp=0x7f2d291ba730 <_IO_stdfile_2_lock>, flag=flag@entry=1, format=format@entry=0x7f2d1447fec8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f2d14468f5f in fprintf (__fmt=0x7f2d1447fec8 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#3  event_log (msg=0x7f2cd7ffe220 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:251
#4  event_logv_ (severity=2, errstr=0x7f2d28f842a7 "Bad file descriptor", fmt=<optimized out>, ap=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:216
#5  0x00007f2d1446916c in event_warn (fmt=fmt@entry=0x7f2d1448005c "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:127
#6  0x00007f2d1446a920 in epoll_dispatch (base=0x7f2cd0001bf0, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/epoll.c:468
#7  0x00007f2d144608c6 in event_base_loop (base=0x7f2cd0001bf0, flags=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/event.c:1947
#8  0x00007f2d1b64ed8e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1af46b28 in content::BrowserThreadImpl::FileThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d1af46ffb in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f2d25e90637 in start_thread (arg=0x7f2cd7fff700) at pthread_create.c:456
#16 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7f2cf4ff9700 (LWP 3789)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2cf4ff87f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2cf4ff87a8, cond=0x7f2cf4ff87d0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2cf4ff87d0, mutex=0x7f2cf4ff87a8) at pthread_cond_wait.c:655
#3  0x00007f2d1b6731af in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673264 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e7fd in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1af46a78 in content::BrowserThreadImpl::DBThreadRun(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1af46feb in content::BrowserThreadImpl::Run(base::RunLoop*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d1b67f0a0 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f2d25e90637 in start_thread (arg=0x7f2cf4ff9700) at pthread_create.c:456
#13 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7f2cf67fc700 (LWP 3786)):
#0  0x00007f2d25e97422 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f2cf67fbb98) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2cf67fbb48, cond=0x7f2cf67fbb70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2cf67fbb70, mutex=0x7f2cf67fbb48) at pthread_cond_wait.c:655
#3  0x00007f2d1b6731af in base::WaitableEvent::TimedWait(base::TimeDelta const&) () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2d1b673264 in base::WaitableEvent::Wait() () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2d1b64e7fd in base::MessagePumpDefault::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f2d25e90637 in start_thread (arg=0x7f2cf67fc700) at pthread_create.c:456
#11 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7f2cf6ffd700 (LWP 3785)):
#0  0x00007f2d28ef61fd in write () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d28e8746f in _IO_new_file_write (f=0x7f2d291b9500 <_IO_2_1_stderr_>, data=0x7f2cf6ff9ed0, n=39) at fileops.c:1271
#2  0x00007f2d28e86641 in new_do_write (fp=fp@entry=0x7f2d291b9500 <_IO_2_1_stderr_>, data=data@entry=0x7f2cf6ff9ed0 "[warn] epoll_wait: Bad file descriptor\n", to_do=to_do@entry=39) at fileops.c:526
#3  0x00007f2d28e87cbe in _IO_new_file_xsputn (f=0x7f2d291b9500 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1350
#4  0x00007f2d28e5b3c8 in buffered_vfprintf (s=s@entry=0x7f2d291b9500 <_IO_2_1_stderr_>, format=format@entry=0x7f2d1447fec8 "[%s] %s\n", args=args@entry=0x7f2cf6ffc4d0) at vfprintf.c:2346
#5  0x00007f2d28e583ee in _IO_vfprintf_internal (s=s@entry=0x7f2d291b9500 <_IO_2_1_stderr_>, format=format@entry=0x7f2d1447fec8 "[%s] %s\n", ap=ap@entry=0x7f2cf6ffc4d0) at vfprintf.c:1293
#6  0x00007f2d28f163b5 in ___fprintf_chk (fp=0x7f2d291b9500 <_IO_2_1_stderr_>, flag=flag@entry=1, format=format@entry=0x7f2d1447fec8 "[%s] %s\n") at fprintf_chk.c:35
#7  0x00007f2d14468f5f in fprintf (__fmt=0x7f2d1447fec8 "[%s] %s\n", __stream=<optimized out>) at /usr/include/bits/stdio2.h:97
#8  event_log (msg=0x7f2cf6ffc5c0 "epoll_wait: Bad file descriptor", severity=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:251
#9  event_logv_ (severity=2, errstr=0x7f2d28f842a7 "Bad file descriptor", fmt=<optimized out>, ap=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:216
#10 0x00007f2d1446916c in event_warn (fmt=fmt@entry=0x7f2d1448005c "epoll_wait") at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/log.c:127
#11 0x00007f2d1446a920 in epoll_dispatch (base=0x7f2cec001bf0, tv=<optimized out>) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/epoll.c:468
#12 0x00007f2d144608c6 in event_base_loop (base=0x7f2cec001bf0, flags=2) at /var/tmp/portage/dev-libs/libevent-2.1.8/work/libevent-2.1.8-stable/event.c:1947
#13 0x00007f2d1b64ed8e in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f2d1b64a835 in base::MessageLoop::RunHandler() () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f2d1b66739a in base::RunLoop::Run() () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f2d1b67efd6 in base::Thread::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#18 0x00007f2d25e90637 in start_thread (arg=0x7f2cf6ffd700) at pthread_create.c:456
#19 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7f2cf77fe700 (LWP 3784)):
#0  0x00007f2d28ed0a3c in __GI___waitpid (pid=3781, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#1  0x00007f2d1b663146 in base::(anonymous namespace)::BackgroundReaper::ThreadMain() () from /usr/lib64/libQt5WebEngineCore.so.5
#2  0x00007f2d1b67b17d in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib64/libQt5WebEngineCore.so.5
#3  0x00007f2d25e90637 in start_thread (arg=0x7f2cf77fe700) at pthread_create.c:456
#4  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7f2cfe145700 (LWP 3778)):
#0  0x00007f2d28efa83d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d23c5767c in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f2cf8003020, timeout=-1, context=0x7f2cf8000990) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x7f2cf8000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3924
#3  0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2cf8000990, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#4  0x00007f2d29a6c26b in QEventDispatcherGlib::processEvents (this=0x7f2cf80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7f2cfe144e40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007f2d29878344 in QThread::exec (this=this@entry=0x7f2d2be97da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:515
#7  0x00007f2d2be21ae5 in QDBusConnectionManager::run (this=0x7f2d2be97da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x7f2d2be97da0 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:368
#9  0x00007f2d25e90637 in start_thread (arg=0x7f2cfe145700) at pthread_create.c:456
#10 0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7f2d08624700 (LWP 3777)):
#0  0x00007f2d28efa83d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f2d259638f2 in poll (__timeout=-1, __nfds=1, __fds=0x7f2d08623d70) at /usr/include/bits/poll2.h:46
#2  _xcb_conn_wait (c=c@entry=0x19149a0, cond=cond@entry=0x19149e0, vector=vector@entry=0x0, count=count@entry=0x0) at /var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_conn.c:479
#3  0x00007f2d259656df in xcb_wait_for_event (c=0x19149a0) at /var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_in.c:693
#4  0x00007f2d0a93b229 in QXcbEventReader::run (this=0x1920d80) at qxcbconnection.cpp:1330
#5  0x00007f2d2987c561 in QThreadPrivate::start (arg=0x1920d80) at thread/qthread_unix.cpp:368
#6  0x00007f2d25e90637 in start_thread (arg=0x7f2d08624700) at pthread_create.c:456
#7  0x00007f2d28f05bbf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7f2d0ad6f2c0 (LWP 3776)):
[KCrash Handler]
#6  QWidget::~QWidget (this=0x8a3a380, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1615
#7  0x00007f2d2a2b2d79 in QWidget::~QWidget (this=0x8a3a380, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1731
#8  0x00007f2d29a45278 in QObject::event (this=this@entry=0x8a3a380, e=e@entry=0x2337880) at kernel/qobject.cpp:1237
#9  0x00007f2d2a2b7683 in QWidget::event (this=0x8a3a380, event=0x2337880) at kernel/qwidget.cpp:9264
#10 0x00007f2d2a27815c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x8a3a380, e=0x2337880) at kernel/qapplication.cpp:3722
#11 0x00007f2d2a27fb2f in QApplication::notify (this=0x7ffe3048c7d0, receiver=0x8a3a380, e=0x2337880) at kernel/qapplication.cpp:3481
#12 0x00007f2d29a1c43a in QCoreApplication::notifyInternal2 (receiver=0x8a3a380, event=event@entry=0x2337880) at kernel/qcoreapplication.cpp:1018
#13 0x00007f2d29a1eb1b in QCoreApplication::sendEvent (event=0x2337880, receiver=<optimized out>) at kernel/qcoreapplication.h:233
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x1905100) at kernel/qcoreapplication.cpp:1678
#15 0x00007f2d29a1ef88 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1532
#16 0x00007f2d218d8664 in QQuickRenderControlPrivate::windowDestroyed (this=this@entry=0x71f16a0) at items/qquickrendercontrol.cpp:190
#17 0x00007f2d218d88d0 in QQuickRenderControl::~QQuickRenderControl (this=0x71f1680, __in_chrg=<optimized out>) at items/qquickrendercontrol.cpp:181
#18 0x00007f2d2bd01e63 in QQuickWidgetRenderControl::~QQuickWidgetRenderControl (this=0x71f1680, __in_chrg=<optimized out>) at qquickwidget.cpp:79
#19 QQuickWidgetRenderControl::~QQuickWidgetRenderControl (this=0x71f1680, __in_chrg=<optimized out>) at qquickwidget.cpp:79
#20 0x00007f2d2bd00753 in QQuickWidgetPrivate::~QQuickWidgetPrivate (this=0x71f13a0, __in_chrg=<optimized out>) at qquickwidget.cpp:218
#21 0x00007f2d2bd007d9 in QQuickWidgetPrivate::~QQuickWidgetPrivate (this=0x71f13a0, __in_chrg=<optimized out>) at qquickwidget.cpp:226
#22 0x00007f2d29a4be81 in QScopedPointerDeleter<QObjectData>::cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:60
#23 QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::~QScopedPointer (this=0x71f1328, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:107
#24 QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qobject.cpp:881
#25 0x00007f2d2a2b2bbe in QWidget::~QWidget (this=0x71f1320, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1568
#26 0x00007f2d2bdfbc7a in QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::~RenderWidgetHostViewQtDelegateWidget (this=0x71f1320, __in_chrg=<optimized out>) at .moc/../render_widget_host_view_qt_delegate_widget.h:51
#27 QtWebEngineCore::RenderWidgetHostViewQtDelegateWidget::~RenderWidgetHostViewQtDelegateWidget (this=0x71f1320, __in_chrg=<optimized out>) at .moc/../render_widget_host_view_qt_delegate_widget.h:51
#28 0x00007f2d1ad73b3e in std::default_delete<QtWebEngineCore::RenderWidgetHostViewQtDelegate>::operator() (this=<optimized out>, __ptr=<optimized out>) at /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/bits/unique_ptr.h:76
#29 std::unique_ptr<QtWebEngineCore::RenderWidgetHostViewQtDelegate, std::default_delete<QtWebEngineCore::RenderWidgetHostViewQtDelegate> >::~unique_ptr (this=0x71efe68, __in_chrg=<optimized out>) at /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/bits/unique_ptr.h:236
#30 QtWebEngineCore::RenderWidgetHostViewQt::~RenderWidgetHostViewQt (this=0x71efa50, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtwebengine-5.9.2/work/qtwebengine-opensource-src-5.9.2/src/core/render_widget_host_view_qt.cpp:292
#31 0x00007f2d1ad73d19 in QtWebEngineCore::RenderWidgetHostViewQt::~RenderWidgetHostViewQt (this=0x71efa50, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtwebengine-5.9.2/work/qtwebengine-opensource-src-5.9.2/src/core/render_widget_host_view_qt.cpp:301
#32 0x00007f2d1b1a7941 in content::RenderWidgetHostImpl::Destroy(bool) () from /usr/lib64/libQt5WebEngineCore.so.5
#33 0x00007f2d1b19bdaf in content::RenderViewHostImpl::ShutdownAndDestroy() () from /usr/lib64/libQt5WebEngineCore.so.5
#34 0x00007f2d1affe2e1 in content::FrameTree::ReleaseRenderViewHostRef(content::RenderViewHostImpl*) () from /usr/lib64/libQt5WebEngineCore.so.5
#35 0x00007f2d1b02aa17 in content::RenderFrameHostImpl::~RenderFrameHostImpl() () from /usr/lib64/libQt5WebEngineCore.so.5
#36 0x00007f2d1b02b089 in content::RenderFrameHostImpl::~RenderFrameHostImpl() () from /usr/lib64/libQt5WebEngineCore.so.5
#37 0x00007f2d1b031091 in content::RenderFrameHostManager::~RenderFrameHostManager() () from /usr/lib64/libQt5WebEngineCore.so.5
#38 0x00007f2d1b0009e8 in content::FrameTreeNode::~FrameTreeNode() () from /usr/lib64/libQt5WebEngineCore.so.5
#39 0x00007f2d1affc64a in content::FrameTree::~FrameTree() () from /usr/lib64/libQt5WebEngineCore.so.5
#40 0x00007f2d1b268c9a in content::WebContentsImpl::~WebContentsImpl() () from /usr/lib64/libQt5WebEngineCore.so.5
#41 0x00007f2d1b268f69 in content::WebContentsImpl::~WebContentsImpl() () from /usr/lib64/libQt5WebEngineCore.so.5
#42 0x00007f2d1ad8d72e in std::default_delete<content::WebContents>::operator() (this=<optimized out>, __ptr=<optimized out>) at /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/bits/unique_ptr.h:76
#43 std::unique_ptr<content::WebContents, std::default_delete<content::WebContents> >::reset (__p=<optimized out>, this=0x7277308) at /usr/lib/gcc/x86_64-pc-linux-gnu/5.4.0/include/g++-v5/bits/unique_ptr.h:344
#44 QtWebEngineCore::WebContentsAdapterPrivate::~WebContentsAdapterPrivate (this=0x72772f0, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtwebengine-5.9.2/work/qtwebengine-opensource-src-5.9.2/src/core/web_contents_adapter.cpp:360
#45 0x00007f2d1ad8da1a in QScopedPointerDeleter<QtWebEngineCore::WebContentsAdapterPrivate>::cleanup (pointer=0x72772f0) at /usr/include/qt5/QtCore/qscopedpointer.h:60
#46 QScopedPointer<QtWebEngineCore::WebContentsAdapterPrivate, QScopedPointerDeleter<QtWebEngineCore::WebContentsAdapterPrivate> >::~QScopedPointer (this=0x72765c0, __in_chrg=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:107
#47 QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter (this=0x72765b0, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtwebengine-5.9.2/work/qtwebengine-opensource-src-5.9.2/src/core/web_contents_adapter.cpp:398
#48 0x00007f2d2bdedc66 in QtSharedPointer::ExternalRefCountData::destroy (this=0x72765a0) at /usr/include/qt5/QtCore/qsharedpointer_impl.h:157
#49 QSharedPointer<QtWebEngineCore::WebContentsAdapter>::deref (dd=0x72765a0) at /usr/include/qt5/QtCore/qsharedpointer_impl.h:461
#50 QSharedPointer<QtWebEngineCore::WebContentsAdapter>::deref (this=0x727a200) at /usr/include/qt5/QtCore/qsharedpointer_impl.h:456
#51 QSharedPointer<QtWebEngineCore::WebContentsAdapter>::~QSharedPointer (this=0x727a200, __in_chrg=<optimized out>) at /usr/include/qt5/QtCore/qsharedpointer_impl.h:313
#52 QWebEnginePagePrivate::~QWebEnginePagePrivate (this=0x727a1f0, __in_chrg=<optimized out>) at api/qwebenginepage.cpp:246
#53 0x00007f2d2bdedc79 in QWebEnginePagePrivate::~QWebEnginePagePrivate (this=0x727a1f0, __in_chrg=<optimized out>) at api/qwebenginepage.cpp:250
#54 0x00007f2d2bde8403 in QScopedPointerDeleter<QWebEnginePagePrivate>::cleanup (pointer=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:60
#55 QScopedPointer<QWebEnginePagePrivate, QScopedPointerDeleter<QWebEnginePagePrivate> >::~QScopedPointer (this=0x72777f0, __in_chrg=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:107
#56 QWebEnginePage::~QWebEnginePage (this=0x72777e0, __in_chrg=<optimized out>) at api/qwebenginepage.cpp:829
#57 0x00007f2c063be1b9 in MessageViewer::MailWebEnginePage::~MailWebEnginePage (this=0x72777e0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/messagelib-17.08.3/work/messagelib-17.08.3/messageviewer/src/viewer/webengine/mailwebenginepage.cpp:40
#58 0x00007f2d29a4aef5 in QObjectPrivate::deleteChildren (this=this@entry=0x7274d00) at kernel/qobject.cpp:1992
#59 0x00007f2d2a2b2b34 in QWidget::~QWidget (this=0x7274cb0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1707
#60 0x00007f2c063bbd49 in MessageViewer::MailWebEngineView::~MailWebEngineView (this=0x7274cb0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/messagelib-17.08.3/work/messagelib-17.08.3/messageviewer/src/viewer/webengine/mailwebengineview.cpp:129
#61 0x00007f2c06368374 in MessageViewer::ViewerPrivate::~ViewerPrivate (this=0x83c1020, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/messagelib-17.08.3/work/messagelib-17.08.3/messageviewer/src/viewer/viewer_p.cpp:303
#62 0x00007f2c063685f9 in MessageViewer::ViewerPrivate::~ViewerPrivate (this=0x83c1020, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/messagelib-17.08.3/work/messagelib-17.08.3/messageviewer/src/viewer/viewer_p.cpp:309
#63 0x00007f2d29a4aef5 in QObjectPrivate::deleteChildren (this=this@entry=0x83c0e00) at kernel/qobject.cpp:1992
#64 0x00007f2d2a2b2b34 in QWidget::~QWidget (this=0x83c0c20, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1707
#65 0x00007f2c06358fd9 in MessageViewer::Viewer::~Viewer (this=0x83c0c20, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/messagelib-17.08.3/work/messagelib-17.08.3/messageviewer/src/viewer/viewer.cpp:61
#66 0x00007f2d29a4aef5 in QObjectPrivate::deleteChildren (this=this@entry=0x549a9a0) at kernel/qobject.cpp:1992
#67 0x00007f2d2a2b2b34 in QWidget::~QWidget (this=0x5b6cf10, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1707
#68 0x00007f2c07c00249 in KMReaderWin::~KMReaderWin (this=0x5b6cf10, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmreaderwin.cpp:237
#69 0x00007f2d29a4aef5 in QObjectPrivate::deleteChildren (this=this@entry=0x8a30530) at kernel/qobject.cpp:1992
#70 0x00007f2d2a2b2b34 in QWidget::~QWidget (this=0x8a3a380, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1707
#71 0x00007f2d2b1cfc11 in KMainWindow::~KMainWindow (this=0x8a3a380, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kxmlgui-5.40.0/work/kxmlgui-5.40.0/src/kmainwindow.cpp:393
#72 0x00007f2c07c2e4c8 in KMReaderMainWin::~KMReaderMainWin (this=this@entry=0x8a3a380, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmreadermainwin.cpp:116
#73 0x00007f2c07c2e549 in KMReaderMainWin::~KMReaderMainWin (this=0x8a3a380, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmreadermainwin.cpp:120
#74 0x00007f2c07c0ef58 in qDeleteAll<QList<KMainWindow*>::const_iterator> (end=..., begin=...) at /usr/include/qt5/QtCore/qalgorithms.h:320
#75 qDeleteAll<QList<KMainWindow*> > (c=...) at /usr/include/qt5/QtCore/qalgorithms.h:328
#76 KMKernel::closeAllKMailWindows (this=this@entry=0x2038fa0) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmkernel.cpp:1102
#77 0x00007f2c07c171b1 in KMKernel::cleanup (this=0x2038fa0) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmkernel.cpp:1117
#78 0x00007f2c8c38d8d1 in KMailPart::~KMailPart (this=this@entry=0x1da87f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmail_part.cpp:111
#79 0x00007f2c8c38d979 in KMailPart::~KMailPart (this=0x1da87f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kmail_part.cpp:113
#80 0x00007f2d2b6753ae in KontactInterface::Plugin::~Plugin (this=0x1f1ddc0, __vtt_parm=<optimized out>, __in_chrg=<optimized out>) at /var/tmp/portage/kde-apps/kontactinterface-17.08.3/work/kontactinterface-17.08.3/src/plugin.cpp:89
#81 0x00007f2c8f9cc6c6 in KMailPlugin::~KMailPlugin (this=0x1f1ddc0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kontactplugin/kmail/kmail_plugin.cpp:172
#82 0x00007f2c8f9cc6e9 in KMailPlugin::~KMailPlugin (this=0x1f1ddc0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kmail-17.08.3/work/kmail-17.08.3/src/kontactplugin/kmail/kmail_plugin.cpp:176
#83 0x00007f2d2b89fafe in Kontact::MainWindow::~MainWindow (this=this@entry=0x1d62f90, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kontact-17.08.3/work/kontact-17.08.3/src/mainwindow.cpp:294
#84 0x00007f2d2b89fd79 in Kontact::MainWindow::~MainWindow (this=0x1d62f90, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /var/tmp/portage/kde-apps/kontact-17.08.3/work/kontact-17.08.3/src/mainwindow.cpp:296
#85 0x00007f2d29a45278 in QObject::event (this=this@entry=0x1d62f90, e=e@entry=0x9da07d0) at kernel/qobject.cpp:1237
#86 0x00007f2d2a2b7683 in QWidget::event (this=this@entry=0x1d62f90, event=event@entry=0x9da07d0) at kernel/qwidget.cpp:9264
#87 0x00007f2d2a3ce55b in QMainWindow::event (this=this@entry=0x1d62f90, event=event@entry=0x9da07d0) at widgets/qmainwindow.cpp:1562
#88 0x00007f2d2b1d1ff7 in KMainWindow::event (this=this@entry=0x1d62f90, ev=ev@entry=0x9da07d0) at /var/tmp/portage/kde-frameworks/kxmlgui-5.40.0/work/kxmlgui-5.40.0/src/kmainwindow.cpp:865
#89 0x00007f2d2b2165c5 in KXmlGuiWindow::event (this=0x1d62f90, ev=0x9da07d0) at /var/tmp/portage/kde-frameworks/kxmlgui-5.40.0/work/kxmlgui-5.40.0/src/kxmlguiwindow.cpp:119
#90 0x00007f2d2a27815c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x1d62f90, e=0x9da07d0) at kernel/qapplication.cpp:3722
#91 0x00007f2d2a27fb2f in QApplication::notify (this=0x7ffe3048c7d0, receiver=0x1d62f90, e=0x9da07d0) at kernel/qapplication.cpp:3481
#92 0x00007f2d29a1c43a in QCoreApplication::notifyInternal2 (receiver=0x1d62f90, event=event@entry=0x9da07d0) at kernel/qcoreapplication.cpp:1018
#93 0x00007f2d29a1eb1b in QCoreApplication::sendEvent (event=0x9da07d0, receiver=<optimized out>) at kernel/qcoreapplication.h:233
#94 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1905100) at kernel/qcoreapplication.cpp:1678
#95 0x00007f2d29a1ef88 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1532
#96 0x00007f2d29a6c463 in postEventSourceDispatch (s=0x195fab0) at kernel/qeventdispatcher_glib.cpp:276
#97 0x00007f2d23c573fd in g_main_dispatch (context=0x7f2d000016f0) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3203
#98 g_main_context_dispatch (context=context@entry=0x7f2d000016f0) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3856
#99 0x00007f2d23c576e0 in g_main_context_iterate (context=context@entry=0x7f2d000016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3929
#100 0x00007f2d23c5778c in g_main_context_iteration (context=0x7f2d000016f0, may_block=may_block@entry=1) at /var/tmp/portage/dev-libs/glib-2.50.3-r1/work/glib-2.50.3/glib/gmain.c:3990
#101 0x00007f2d29a6c24f in QEventDispatcherGlib::processEvents (this=0x19610f0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#102 0x00007f2d29a1b18a in QEventLoop::exec (this=this@entry=0x7ffe3048c530, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#103 0x00007f2d29a235e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1291
#104 0x00007f2d29d617fc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1679
#105 0x00007f2d2a2780b5 in QApplication::exec () at kernel/qapplication.cpp:2910
#106 0x0000000000404430 in main (argc=1, argv=0x7ffe3048c928) at /var/tmp/portage/kde-apps/kontact-17.08.3/work/kontact-17.08.3/src/main.cpp:227

Possible duplicates by query: bug 386965, bug 386579, bug 386349, bug 385933, bug 382087.

Reported using DrKonqi