https://bugs.kde.org/show_bug.cgi?id=401744

            Bug ID: 401744
           Summary: Delete message lead to crash
           Product: kmail2
           Version: unspecified
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-b...@kde.org
          Reporter: br...@ioda-net.ch
  Target Milestone: ---

Application: kmail (5.9.3)

Qt Version: 5.11.2
Frameworks Version: 5.52.0
Operating System: Linux 4.19.4-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
just deleted some messages (2) with del key in my main imap account.

Setup is : system wide postgresql 10.5 server.
openSUSE Tumbleweed - 20181130
Linux 4.19.4-1-default x86_64 GNU/Linux, 
nvidia: 410.78
Qt: 5.11.2, 
KDE Frameworks: 5.52.0, 
Plasma: 5.14.3, 
kmail2 5.9.3

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
futex_wait_cancelable (private=0, expected=0, futex_word=0x7fffe3136508) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
[Current thread is 1 (Thread 0x7f13607f1a40 (LWP 5767))]

Thread 40 (Thread 0x7f12895e2700 (LWP 10876)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f12895e18c0, expected=0, futex_word=0x7f12895e1aa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f12895e1960,
mutex=0x7f12895e1a58, cond=0x7f12895e1a80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f12895e1a80,
mutex=0x7f12895e1a58, abstime=0x7f12895e1960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7f11f492d700 (LWP 10875)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f11f492c8c0, expected=0, futex_word=0x7f11f492caa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f11f492c960,
mutex=0x7f11f492ca58, cond=0x7f11f492ca80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f11f492ca80,
mutex=0x7f11f492ca58, abstime=0x7f11f492c960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7f11f70e2700 (LWP 17136)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f11f70e18c0, expected=0, futex_word=0x7f11f70e1aa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f11f70e1960,
mutex=0x7f11f70e1a58, cond=0x7f11f70e1a80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f11f70e1a80,
mutex=0x7f11f70e1a58, abstime=0x7f11f70e1960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7f11f68e1700 (LWP 1318)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f11f68e08c0, expected=0, futex_word=0x7f11f68e0aa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f11f68e0960,
mutex=0x7f11f68e0a58, cond=0x7f11f68e0a80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f11f68e0a80,
mutex=0x7f11f68e0a58, abstime=0x7f11f68e0960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7f11f512e700 (LWP 31367)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f128c0044a0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1372599f46 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7f1330ff9700 (LWP 6754)):
#0  0x00007f13760cc0cc in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f13760cddf4 in ___fprintf_chk (fp=0x7f13763808b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f136845eda8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f136844702f in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#3  0x00007f13684471f4 in event_warn () at /usr/lib64/libevent-2.1.so.6
#4  0x00007f1368448b60 in  () at /usr/lib64/libevent-2.1.so.6
#5  0x00007f136843e998 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#6  0x00007f136c5347ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7f128a90b700 (LWP 5887)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f1369b39fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f1369b39f68, cond=0x7f1369b39f90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f1369b39f90,
mutex=0x7f1369b39f68) at pthread_cond_wait.c:655
#3  0x00007f1369a4401a in  () at /usr/lib64/libQt5Script.so.5
#4  0x00007f1369a4403b in  () at /usr/lib64/libQt5Script.so.5
#5  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7f128bbff700 (LWP 5873)):
#0  0x00007f13725e0da4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f1372599f3b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f12b8ff9700 (LWP 5855)):
#0  0x00007f13760b9739 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f13765d4a24 in QSemaphore::acquire(int) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f1373fc9cf4 in  () at /usr/lib64/libQt5Network.so.5
#3  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#5  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f12b97fa700 (LWP 5854)):
#0  0x00007f13760afd34 in __GI___libc_read (fd=112, buf=0x7f12b97f9930,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f13725dfa00 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1372599a4b in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f12b9ffb700 (LWP 5853)):
#0  0x00007f13725e0d89 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f137259997e in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#2  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#5  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#6  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#9  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f12ba7fc700 (LWP 5852)):
#0  0x00007f13760afd34 in __GI___libc_read (fd=110, buf=0x7f12ba7fb930,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f13725dfa00 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1372599a4b in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f12baffd700 (LWP 5851)):
#0  0x00007f13765d2b2c in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f13767d9fd9 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f1372599971 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f12bb7fe700 (LWP 5850)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f12ac003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1372599f46 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f12bbfff700 (LWP 5849)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f12b4004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1372599f46 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f12c2aeb700 (LWP 5842)):
#0  0x00007f137608b980 in __GI___nanosleep (requested_time=0x7f12c2aea8f0,
remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
#1  0x00007f13760b6eb4 in usleep (useconds=<optimized out>) at
../sysdeps/posix/usleep.c:32
#2  0x00007f12c3947230 in  () at /usr/lib64/libcvP11.so
#3  0x00007f12c37903bb in  () at /usr/lib64/libcvP11.so
#4  0x00007f12c3790ad4 in  () at /usr/lib64/libcvP11.so
#5  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f12e8ff9700 (LWP 5821)):
#0  0x00007f13760cc0cc in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f13760cddf4 in ___fprintf_chk (fp=0x7f13763808b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f136845eda8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f136844702f in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#3  0x00007f13684471f4 in event_warn () at /usr/lib64/libevent-2.1.so.6
#4  0x00007f1368448b60 in  () at /usr/lib64/libevent-2.1.so.6
#5  0x00007f136843e998 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#6  0x00007f136c5347ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f12e97fa700 (LWP 5820)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f12e97f9880, expected=0, futex_word=0x7f12e97f9a68) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f12e97f9920,
mutex=0x7f12e97f9a18, cond=0x7f12e97f9a40) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f12e97f9a40,
mutex=0x7f12e97f9a18, abstime=0x7f12e97f9920) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c52e250 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f12e9ffb700 (LWP 5819)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f12d0007030, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1368c320f1 in  () at /usr/lib64/libpulse.so.0
#2  0x00007f1368c23920 in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#3  0x00007f1368c23f6e in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#4  0x00007f1368c24020 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#5  0x00007f1368c32039 in  () at /usr/lib64/libpulse.so.0
#6  0x00007f13646eee28 in  () at /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f12ea7fc700 (LWP 5818)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f12ea7fb880, expected=0, futex_word=0x7f12ea7fba68) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f12ea7fb920,
mutex=0x7f12ea7fba18, cond=0x7f12ea7fba40) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f12ea7fba40,
mutex=0x7f12ea7fba18, abstime=0x7f12ea7fb920) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c52e250 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f12eaffd700 (LWP 5817)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x55ce1f2f4af8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55ce1f2f4a38, cond=0x55ce1f2f4ad0) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x55ce1f2f4ad0,
mutex=0x55ce1f2f4a38) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136cfb8d18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c5792e6 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f12eb7fe700 (LWP 5816)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f12eb7fdab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f12eb7fda68, cond=0x7f12eb7fda90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f12eb7fda90,
mutex=0x7f12eb7fda68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f12ebfff700 (LWP 5815)):
#0  0x00007f1376014abc in _IO_vfprintf_internal (s=s@entry=0x7f137637f680
<_IO_2_1_stderr_>, format=<optimized out>, ap=ap@entry=0x7f12ebffdfc0) at
vfprintf.c:1699
#1  0x00007f13760cde46 in ___fprintf_chk (fp=0x7f137637f680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#2  0x00007f136844702f in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#3  0x00007f13684471f4 in event_warn () at /usr/lib64/libevent-2.1.so.6
#4  0x00007f1368448b60 in  () at /usr/lib64/libevent-2.1.so.6
#5  0x00007f136843e998 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#6  0x00007f136c534759 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136b66a36a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136b66a817 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f136c5768a8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#13 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f1314ff9700 (LWP 5814)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f1314ff8ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f1314ff8a68, cond=0x7f1314ff8a90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f1314ff8a90,
mutex=0x7f1314ff8a68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567baf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f13157fa700 (LWP 5813)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f13157f9ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f13157f9a68, cond=0x7f13157f9a90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f13157f9a90,
mutex=0x7f13157f9a68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f1315ffb700 (LWP 5812)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f1315ffaab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f1315ffaa68, cond=0x7f1315ffaa90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f1315ffaa90,
mutex=0x7f1315ffaa68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567baf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f13167fc700 (LWP 5811)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f13167fbab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f13167fba68, cond=0x7f13167fba90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f13167fba90,
mutex=0x7f13167fba68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567baf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f1316ffd700 (LWP 5810)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f1316ffcab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f1316ffca68, cond=0x7f1316ffca90) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f1316ffca90,
mutex=0x7f1316ffca68) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668c8 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567baf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f13317fa700 (LWP 5806)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f13317f98c0, expected=0, futex_word=0x7f13317f9aa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f13317f9960,
mutex=0x7f13317f9a58, cond=0x7f13317f9a80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f13317f9a80,
mutex=0x7f13317f9a58, abstime=0x7f13317f9960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f13327fc700 (LWP 5804)):
#0  0x00007f13737d58c8 in futex_reltimed_wait_cancelable (private=0,
reltime=0x7f13327fb8c0, expected=0, futex_word=0x7f13327fbaa8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f13737d58c8 in __pthread_cond_wait_common (abstime=0x7f13327fb960,
mutex=0x7f13327fba58, cond=0x7f13327fba80) at pthread_cond_wait.c:533
#2  0x00007f13737d58c8 in __pthread_cond_timedwait (cond=0x7f13327fba80,
mutex=0x7f13327fba58, abstime=0x7f13327fb960) at pthread_cond_wait.c:667
#3  0x00007f136c55fd37 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a0a in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561af2 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c5668b1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c567d91 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f1332ffd700 (LWP 5803)):
#0  0x00007f13760cc0cc in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f13760cddf4 in ___fprintf_chk (fp=0x7f13763808b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f136845eda8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f136844702f in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#3  0x00007f13684471f4 in event_warn () at /usr/lib64/libevent-2.1.so.6
#4  0x00007f1368448b60 in  () at /usr/lib64/libevent-2.1.so.6
#5  0x00007f136843e998 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#6  0x00007f136c534759 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f13337fe700 (LWP 5802)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7f13337fda48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f13337fd9f8, cond=0x7f13337fda20) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7f13337fda20,
mutex=0x7f13337fd9f8) at pthread_cond_wait.c:655
#3  0x00007f136c55fc69 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f136c561a18 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f136c561aaf in  () at /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f136c52e23f in  () at /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1333fff700 (LWP 5801)):
#0  0x00007f13760cc0f9 in __lll_unlock_wake_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:341
#1  0x00007f13760cde8c in _IO_acquire_lock_clear_flags2_fct (p=<synthetic
pointer>) at ../libio/libioP.h:806
#2  0x00007f13760cde8c in ___fprintf_chk (fp=0x7f137637f680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:30
#3  0x00007f136844702f in event_logv_ () at /usr/lib64/libevent-2.1.so.6
#4  0x00007f13684471f4 in event_warn () at /usr/lib64/libevent-2.1.so.6
#5  0x00007f1368448b60 in  () at /usr/lib64/libevent-2.1.so.6
#6  0x00007f136843e998 in event_base_loop () at /usr/lib64/libevent-2.1.so.6
#7  0x00007f136c5347ad in  () at /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f136c5539ab in  () at /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f136c576774 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f136c5721c1 in  () at /usr/lib64/libQt5WebEngineCore.so.5
#11 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#12 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f13471b2700 (LWP 5782)):
[KCrash Handler]
#6  0x00007f1375ffc08b in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007f1375fe54e9 in __GI_abort () at abort.c:79
#8  0x00007f1376418973 in  () at /usr/lib64/libstdc++.so.6
#9  0x00007f137641e8c8 in  () at /usr/lib64/libstdc++.so.6
#10 0x00007f137641e913 in  () at /usr/lib64/libstdc++.so.6
#11 0x00007f137659ddc5 in qt_assert(char const*, char const*, int) () at
/usr/lib64/libQt5Core.so.5
#12 0x00007f13765a0198 in  () at /usr/lib64/libQt5Core.so.5
#13 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#14 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1354a12700 (LWP 5772)):
#0  0x00007f13760afd34 in __GI___libc_read (fd=25, buf=0x7f1354a11930,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f13725dfa00 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1372599a4b in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#10 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1355213700 (LWP 5771)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f134c003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1372599f46 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1355a14700 (LWP 5770)):
#0  0x00007f137259949d in g_main_context_prepare () at
/usr/lib64/libglib-2.0.so.0
#1  0x00007f1372599e7b in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#8  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f135c9fb700 (LWP 5769)):
#0  0x00007f13760afd34 in __GI___libc_read (fd=19, buf=0x7f135c9fa900,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f13725dfa00 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f1372599a4b in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f1372599ef0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f13767d9b1b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#6  0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f13765d5de6 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f1375c5c545 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#11 0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f135e1ee700 (LWP 5768)):
#0  0x00007f13760b42c9 in __GI___poll (fds=0x7f135e1eda78, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1372396cc7 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f13723988ea in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f135eafd519 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f13765df9b7 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f13737cf554 in start_thread (arg=<optimized out>) at
pthread_create.c:463
#6  0x00007f13760beccf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f13607f1a40 (LWP 5767)):
#0  0x00007f13737d54dc in futex_wait_cancelable (private=0, expected=0,
futex_word=0x7fffe3136508) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f13737d54dc in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55ce1e94bd78, cond=0x7fffe31364e0) at pthread_cond_wait.c:502
#2  0x00007f13737d54dc in __pthread_cond_wait (cond=0x7fffe31364e0,
mutex=0x55ce1e94bd78) at pthread_cond_wait.c:655
#3  0x00007f1372396ed2 in  () at /usr/lib64/libxcb.so.1
#4  0x00007f137239860f in  () at /usr/lib64/libxcb.so.1
#5  0x00007f1372398722 in xcb_wait_for_reply () at /usr/lib64/libxcb.so.1
#6  0x00007f135eb2272d in  () at /usr/lib64/libQt5XcbQpa.so.5
#7  0x00007f135eb2284c in  () at /usr/lib64/libQt5XcbQpa.so.5
#8  0x00007f1376b50d17 in QCursor::pos(QScreen const*) () at
/usr/lib64/libQt5Gui.so.5
#9  0x00007f13773dd7e4 in QTreeView::drawTree(QPainter*, QRegion const&) const
() at /usr/lib64/libQt5Widgets.so.5
#10 0x00007f13773e2335 in QTreeView::paintEvent(QPaintEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#11 0x00007f13771667f8 in QWidget::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#12 0x00007f1377209e2e in QFrame::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#13 0x00007f137737b39b in QAbstractItemView::viewportEvent(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#14 0x00007f13773e32fb in QTreeView::viewportEvent(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#15 0x00007f1376787b3b in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at
/usr/lib64/libQt5Core.so.5
#16 0x00007f1377128491 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f137712faf0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#18 0x00007f1376787e29 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#19 0x00007f137715f39a in QWidgetPrivate::sendPaintEvent(QRegion const&) () at
/usr/lib64/libQt5Widgets.so.5
#20 0x00007f137715fc57 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#21 0x00007f1377160851 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f1377160740 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f137715f8dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#24 0x00007f1377160851 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f137715f8dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#26 0x00007f1377160851 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f137715f8dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#28 0x00007f1377160851 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#29 0x00007f137715f8dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#30 0x00007f1377160851 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*,
QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*,
QWidgetBackingStore*) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007f137715f8dc in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion
const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at
/usr/lib64/libQt5Widgets.so.5
#32 0x00007f137713788c in  () at /usr/lib64/libQt5Widgets.so.5
#33 0x00007f1377137a39 in  () at /usr/lib64/libQt5Widgets.so.5
#34 0x00007f137714eb15 in QWidgetPrivate::syncBackingStore() () at
/usr/lib64/libQt5Widgets.so.5
#35 0x00007f1377166928 in QWidget::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#36 0x00007f137726cf14 in QMainWindow::event(QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#37 0x00007f1375f3340b in KMainWindow::event(QEvent*) () at
/usr/lib64/libKF5XmlGui.so.5
#38 0x00007f1375f7c2e5 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib64/libKF5XmlGui.so.5
#39 0x00007f13771284a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#40 0x00007f137712faf0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#41 0x00007f1376787e29 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#42 0x00007f137678ae1b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#43 0x00007f13767da4d3 in  () at /usr/lib64/libQt5Core.so.5
#44 0x00007f1372599c15 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#45 0x00007f1372599fd8 in  () at /usr/lib64/libglib-2.0.so.0
#46 0x00007f137259a06c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#47 0x00007f13767d9b03 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#48 0x00007f135eb909d1 in  () at /usr/lib64/libQt5XcbQpa.so.5
#49 0x00007f1376786afb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#50 0x00007f137678ec72 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#51 0x000055ce1d61f33b in  ()
#52 0x00007f1375fe6feb in __libc_start_main (main=0x55ce1d61e430, argc=1,
argv=0x7fffe3138df8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffe3138de8) at ../csu/libc-start.c:308
#53 0x000055ce1d61f4ea in _start ()
[Inferior 1 (process 5767) detached]

Reported using DrKonqi

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