Application: kmail (5.9.2)

Qt Version: 5.11.2
Frameworks Version: 5.50.0
Operating System: Linux 4.18.13-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
press ctrl-a to select all emails in inbox
click on "Apply all filters" which moves all emails from inbox to folders in a "Local Folders" structure
clicked on open browser whilst filter was running
kmail crashed

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
28	  return SYSCALL_CANCEL (nanosleep, requested_time, remaining);
[Current thread is 1 (Thread 0x7f248634fa40 (LWP 1833))]

Thread 30 (Thread 0x7f243d7fa700 (LWP 2922)):
#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7f243d7f98c0, expected=0, futex_word=0x7f243d7f9aa8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f243d7f9960, mutex=0x7f243d7f9a58, cond=0x7f243d7f9a80) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f243d7f9a80, mutex=0x7f243d7f9a58, abstime=0x7f243d7f9960) at pthread_cond_wait.c:667
#3  0x00007f2494174d37 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a0a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176af2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8b1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f241aee5700 (LWP 2027)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f2491369fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2491369f68, cond=0x7f2491369f90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2491369f90, mutex=0x7f2491369f68) at pthread_cond_wait.c:655
#3  0x00007f249127401a in ?? () from /usr/lib64/libQt5Script.so.5
#4  0x00007f249127403b in ?? () from /usr/lib64/libQt5Script.so.5
#5  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#6  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f2430868700 (LWP 1956)):
#0  0x00007f249a194100 in ?? () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f249a196673 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f249a19713b in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f2444003370, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f2430867b60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e902abd0) at thread/qthread_unix.cpp:367
#8  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#9  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f2432ffd700 (LWP 1885)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f249de632b6 in __GI___poll (fds=0x55e2e80d9e50, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007f248fcd89b1 in ?? () from /usr/lib64/libpulse.so.0
#3  0x00007f248fcca1e0 in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#4  0x00007f248fcca82e in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#5  0x00007f248fcca8e0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#6  0x00007f248fcd88f9 in ?? () from /usr/lib64/libpulse.so.0
#7  0x00007f248b272658 in ?? () from /usr/lib64/pulseaudio/libpulsecommon-12.2.so
#8  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#9  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f24337fe700 (LWP 1884)):
#0  0x00007f249de6dfef in epoll_wait (epfd=63, events=0x7f247c00af70, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f248f2dd9d9 in ?? () from /usr/lib64/libevent-2.1.so.6
#2  0x00007f248f2d3998 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f24941497ad in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#8  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f2433fff700 (LWP 1883)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f2433ffea48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2433ffe9f8, cond=0x7f2433ffea20) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2433ffea20, mutex=0x7f2433ffe9f8) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249414323f in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#11 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f2438ff1700 (LWP 1882)):
#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7f2438ff0880, expected=0, futex_word=0x7f2438ff0a68) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f2438ff0920, mutex=0x7f2438ff0a18, cond=0x7f2438ff0a40) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f2438ff0a40, mutex=0x7f2438ff0a18, abstime=0x7f2438ff0920) at pthread_cond_wait.c:667
#3  0x00007f2494174d37 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a0a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494143250 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f24397f2700 (LWP 1881)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55e2e807eda8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e2e807ece8, cond=0x55e2e807ed80) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e2e807ed80, mutex=0x55e2e807ece8) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494bcdd18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f249418e2e6 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#8  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f2439ff3700 (LWP 1880)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f2439ff2ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f2439ff2a68, cond=0x7f2439ff2a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f2439ff2a90, mutex=0x7f2439ff2a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f243a7f4700 (LWP 1879)):
#0  __GI___libc_write (fd=2, buf=0x7f243a7f0a00, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f249ddef62d in _IO_new_file_write (f=0x7f249e12e680 <_IO_2_1_stderr_>, data=0x7f243a7f0a00, n=39) at fileops.c:1198
#2  0x00007f249ddee9df in new_do_write (fp=fp@entry=0x7f249e12e680 <_IO_2_1_stderr_>, data=data@entry=0x7f243a7f0a00 "[warn] epoll_wait: Bad file descriptor\n", to_do=to_do@entry=39) at libioP.h:876
#3  0x00007f249ddefd5e in _IO_new_file_xsputn (f=0x7f249e12e680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f249ddc683a in buffered_vfprintf (s=s@entry=0x7f249e12e680 <_IO_2_1_stderr_>, format=format@entry=0x7f248f2f3da8 "[%s] %s\n", args=args@entry=0x7f243a7f2fc0) at ../libio/libioP.h:876
#5  0x00007f249ddc3c62 in _IO_vfprintf_internal (s=s@entry=0x7f249e12e680 <_IO_2_1_stderr_>, format=0x7f248f2f3da8 "[%s] %s\n", ap=ap@entry=0x7f243a7f2fc0) at vfprintf.c:1301
#6  0x00007f249de7ce46 in ___fprintf_chk (fp=0x7f249e12e680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f248f2dc02f in event_logv_ () from /usr/lib64/libevent-2.1.so.6
#8  0x00007f248f2dc1f4 in event_warn () from /usr/lib64/libevent-2.1.so.6
#9  0x00007f248f2ddb60 in ?? () from /usr/lib64/libevent-2.1.so.6
#10 0x00007f248f2d3998 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#11 0x00007f2494149759 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#12 0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#13 0x00007f249327f36a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#14 0x00007f249327f817 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#15 0x00007f249418b8a8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#16 0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#17 0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#18 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f243aff5700 (LWP 1878)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f243aff4ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243aff4a68, cond=0x7f243aff4a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f243aff4a90, mutex=0x7f243aff4a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cbaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f243b7f6700 (LWP 1877)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f243b7f5ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243b7f5a68, cond=0x7f243b7f5a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f243b7f5a90, mutex=0x7f243b7f5a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f243bff7700 (LWP 1876)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f243bff6ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243bff6a68, cond=0x7f243bff6a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f243bff6a90, mutex=0x7f243bff6a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cbaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f243c7f8700 (LWP 1875)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f243c7f7ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243c7f7a68, cond=0x7f243c7f7a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f243c7f7a90, mutex=0x7f243c7f7a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cbaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f243cff9700 (LWP 1874)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f243cff8ab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f243cff8a68, cond=0x7f243cff8a90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f243cff8a90, mutex=0x7f243cff8a68) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8c8 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cbaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f243effd700 (LWP 1870)):
#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7f243effc8c0, expected=0, futex_word=0x7f243effcaa8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f243effc960, mutex=0x7f243effca58, cond=0x7f243effca80) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f243effca80, mutex=0x7f243effca58, abstime=0x7f243effc960) at pthread_cond_wait.c:667
#3  0x00007f2494174d37 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a0a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176af2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8b1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f243f7fe700 (LWP 1869)):
#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7f243f7fd8c0, expected=0, futex_word=0x7f243f7fdaa8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f243f7fd960, mutex=0x7f243f7fda58, cond=0x7f243f7fda80) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f243f7fda80, mutex=0x7f243f7fda58, abstime=0x7f243f7fd960) at pthread_cond_wait.c:667
#3  0x00007f2494174d37 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a0a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176af2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8b1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f243ffff700 (LWP 1868)):
#0  futex_reltimed_wait_cancelable (private=0, reltime=0x7f243fffe8c0, expected=0, futex_word=0x7f243fffeaa8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7f243fffe960, mutex=0x7f243fffea58, cond=0x7f243fffea80) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7f243fffea80, mutex=0x7f243fffea58, abstime=0x7f243fffe960) at pthread_cond_wait.c:667
#3  0x00007f2494174d37 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a0a in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176af2 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249417b8b1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f249417cd91 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f2458f7e700 (LWP 1867)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f249de7cdf4 in ___fprintf_chk (fp=0x7f249e12f8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f248f2f3da8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f248f2dc02f in event_logv_ () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f248f2dc1f4 in event_warn () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f248f2ddb60 in ?? () from /usr/lib64/libevent-2.1.so.6
#5  0x00007f248f2d3998 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#6  0x00007f24941497ad in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#11 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f245977f700 (LWP 1866)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f245977ea48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f245977e9f8, cond=0x7f245977ea20) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f245977ea20, mutex=0x7f245977e9f8) at pthread_cond_wait.c:655
#3  0x00007f2494174c69 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#4  0x00007f2494176a18 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f2494176aaf in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249414323f in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#9  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#10 0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#11 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f2459f80700 (LWP 1865)):
#0  0x00007f248f2dbf57 in event_logv_ () from /usr/lib64/libevent-2.1.so.6
#1  0x00007f248f2dc1f4 in event_warn () from /usr/lib64/libevent-2.1.so.6
#2  0x00007f248f2ddb60 in ?? () from /usr/lib64/libevent-2.1.so.6
#3  0x00007f248f2d3998 in event_base_loop () from /usr/lib64/libevent-2.1.so.6
#4  0x00007f24941497ad in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#5  0x00007f24941689ab in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#6  0x00007f249418b774 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#7  0x00007f24941871c1 in ?? () from /usr/lib64/libQt5WebEngineCore.so.5
#8  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#9  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f2469187700 (LWP 1845)):
#0  __GI___libc_read (fd=20, buf=0x7f2469186940, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f249a1db6f0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f249a196cdf in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f249a1971b0 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f2454000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f2469186b60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e7f5cf20) at thread/qthread_unix.cpp:367
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f246adee700 (LWP 1840)):
#0  0x00007f249de632c9 in __GI___poll (fds=0x7f2460005f30, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f249a197206 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f2460000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f246adedb60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e7ceaad0) at thread/qthread_unix.cpp:367
#7  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#8  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f246b5ef700 (LWP 1839)):
#0  0x00007f249a1dca94 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f249a196bd9 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f249a1971b0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f245c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f246b5eeb60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e7c61360) at thread/qthread_unix.cpp:367
#8  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#9  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f247898d700 (LWP 1838)):
#0  __GI___pthread_getspecific (key=12) at pthread_getspecific.c:31
#1  0x00007f249a1bf050 in g_thread_self () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f249a19608c in g_main_context_acquire () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f249a1970c5 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f2464000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f247898cb60, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e7cd8fe0) at thread/qthread_unix.cpp:367
#9  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#10 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f24808a1700 (LWP 1837)):
#0  0x00007fffee3fc9d9 in ?? ()
#1  0x00007fffee3fcbdc in clock_gettime ()
#2  0x00007f249de7b876 in __GI___clock_gettime (clock_id=clock_id@entry=1, tp=tp@entry=0x7f24808a0870) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007f249e587401 in qt_clock_gettime (ts=0x7f24808a0870, clock=1) at kernel/qelapsedtimer_unix.cpp:175
#4  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at kernel/qelapsedtimer_unix.cpp:166
#5  qt_gettime () at kernel/qelapsedtimer_unix.cpp:175
#6  0x00007f249e585c39 in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f2470004cf0) at kernel/qtimerinfo_unix.cpp:91
#7  0x00007f249e586235 in QTimerInfoList::timerWait (this=0x7f2470004cf0, tm=...) at kernel/qtimerinfo_unix.cpp:388
#8  0x00007f249e58785e in timerSourcePrepareHelper (timeout=0x7f24808a0954, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:161
#9  timerSourcePrepare (source=<optimized out>, timeout=0x7f24808a0954) at kernel/qeventdispatcher_glib.cpp:165
#10 0x00007f249a196739 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#11 0x00007f249a19713b in ?? () from /usr/lib64/libglib-2.0.so.0
#12 0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#13 0x00007f249e587adb in QEventDispatcherGlib::processEvents (this=0x7f2470000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#14 0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7f24808a0b30, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#15 0x00007f249e383de6 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#16 0x00007f249da0c545 in ?? () from /usr/lib64/libQt5DBus.so.5
#17 0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x7f249da86d60) at thread/qthread_unix.cpp:367
#18 0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#19 0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f24813eb700 (LWP 1836)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55e2e7a26038) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e2e7a25fe8, cond=0x55e2e7a26010) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e2e7a26010, mutex=0x55e2e7a25fe8) at pthread_cond_wait.c:655
#3  0x00007f248267162b in ?? () from /usr/lib64/dri/swrast_dri.so
#4  0x00007f2482671587 in ?? () from /usr/lib64/dri/swrast_dri.so
#5  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#6  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f2481bec700 (LWP 1835)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x55e2e7a25ed4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e2e7a25e80, cond=0x55e2e7a25ea8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e2e7a25ea8, mutex=0x55e2e7a25e80) at pthread_cond_wait.c:655
#3  0x00007f248267162b in ?? () from /usr/lib64/dri/swrast_dri.so
#4  0x00007f2482671587 in ?? () from /usr/lib64/dri/swrast_dri.so
#5  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#6  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2483b9e700 (LWP 1834)):
#0  0x00007f249de632c9 in __GI___poll (fds=0x7f2483b9da78, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2499f94cc7 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f2499f968ea in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f24846b6519 in QXcbEventReader::run (this=0x55e2e791cef0) at qxcbconnection.h:409
#4  0x00007f249e38d9b7 in QThreadPrivate::start (arg=0x55e2e791cef0) at thread/qthread_unix.cpp:367
#5  0x00007f249b58f554 in start_thread (arg=<optimized out>) at pthread_create.c:463
#6  0x00007f249de6dccf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f248634fa40 (LWP 1833)):
[KCrash Handler]
#6  0x00007f249c697e7a in QHash<QByteArray, Akonadi::Attribute*>::findNode (this=this@entry=0x28, akey=..., ahp=ahp@entry=0x0) at /usr/include/qt5/QtCore/qhash.h:926
#7  0x00007f249c6de0df in QHash<QByteArray, Akonadi::Attribute*>::contains (akey=..., this=0x28) at /usr/include/qt5/QtCore/qhash.h:904
#8  Akonadi::Item::hasAttribute (this=this@entry=0x7f249e5f1670 <qt_array+48>, type=...) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/item.cpp:253
#9  0x00007f249c7c884e in Akonadi::EntityTreeModelPrivate::isHiddenImpl<Akonadi::Item> (this=0x55e2e7d5a940, entity=..., type=<optimized out>) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/models/entitytreemodel_p.cpp:281
#10 0x00007f249c7c5f24 in Akonadi::EntityTreeModelPrivate::isHidden (item=..., this=0x55e2e7d5a940) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/models/entitytreemodel_p.cpp:1118
#11 Akonadi::EntityTreeModelPrivate::monitoredItemRemoved (this=this@entry=0x55e2e7d5a940, item=..., parentCollection=...) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/models/entitytreemodel_p.cpp:1118
#12 0x00007f249c7b61ea in Akonadi::EntityTreeModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fffee3b44c0) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/models/entitytreemodel.h:681
#13 0x00007f249e55f04b in QMetaObject::activate (sender=0x55e2e7d69a20, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3771
#14 0x00007f249c6f0755 in Akonadi::Monitor::itemRemoved (this=this@entry=0x55e2e7d69a20, _t1=...) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/build/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:946
#15 0x00007f249c6faf9f in Akonadi::MonitorPrivate::emitItemsNotification (this=0x55e2e7cf76d0, msg_=..., items=..., collection=..., collectionDest=...) at /usr/include/qt5/QtCore/qarraydata.h:209
#16 0x00007f249c6fbb8c in Akonadi::MonitorPrivate::emitNotification (this=this@entry=0x55e2e7cf76d0, msg=...) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/monitor_p.cpp:558
#17 0x00007f249c6a7b8e in Akonadi::ChangeRecorderPrivate::emitNotification (this=0x55e2e7cf76d0, msg=...) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/changerecorder_p.cpp:369
#18 0x00007f249c6fe801 in Akonadi::MonitorPrivate::flushPipeline (this=0x55e2e7cf76d0) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/monitor_p.cpp:983
#19 0x00007f249c6feb49 in Akonadi::MonitorPrivate::dataAvailable (this=0x55e2e7cf76d0) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/monitor_p.cpp:992
#20 0x00007f249c6f2059 in Akonadi::Monitor::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/build/src/core/KF5AkonadiCore_autogen/include/moc_monitor.cpp:339
#21 0x00007f249e55f04b in QMetaObject::activate (sender=0x7f24700200f0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3771
#22 0x00007f249c69b433 in Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::processResult (this=0x7f24700200f0, job=<optimized out>) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/src/core/entitycache_p.h:245
#23 0x00007f249c6d51d4 in Akonadi::EntityCacheBase::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/akonadi-server-18.08.2-1.1.x86_64/build/src/core/KF5AkonadiCore_autogen/include/moc_entitycache_p.cpp:82
#24 0x00007f249e55f04b in QMetaObject::activate (sender=0x55e2e7ddb060, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3771
#25 0x00007f249f41105c in KJob::result (this=this@entry=0x55e2e7ddb060, _t1=<optimized out>, _t1@entry=0x55e2e7ddb060, _t2=...) at /usr/src/debug/kcoreaddons-5.50.0-1.1.x86_64/build/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:569
#26 0x00007f249f411b23 in KJob::finishJob (this=0x55e2e7ddb060, emitResult=<optimized out>) at /usr/src/debug/kcoreaddons-5.50.0-1.1.x86_64/src/lib/jobs/kjob.cpp:109
#27 0x00007f249e56ae26 in QtPrivate::QSlotObjectBase::call (a=0x7fffee3b4b30, r=<optimized out>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#28 QSingleShotTimer::timerEvent (this=0x55e2e91e4720) at kernel/qtimer.cpp:318
#29 0x00007f249e55f8bb in QObject::event (this=0x55e2e91e4720, e=<optimized out>) at kernel/qobject.cpp:1232
#30 0x00007f249eed64a1 in QApplicationPrivate::notify_helper (this=this@entry=0x55e2e78fb950, receiver=receiver@entry=0x55e2e91e4720, e=e@entry=0x7fffee3b4df0) at kernel/qapplication.cpp:3728
#31 0x00007f249eeddaf0 in QApplication::notify (this=0x7fffee3b5530, receiver=0x55e2e91e4720, e=0x7fffee3b4df0) at kernel/qapplication.cpp:3487
#32 0x00007f249e535e09 in QCoreApplication::notifyInternal2 (receiver=0x55e2e91e4720, event=event@entry=0x7fffee3b4df0) at ../../include/QtCore/5.11.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:307
#33 0x00007f249e586ed8 in QCoreApplication::sendEvent (event=0x7fffee3b4df0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#34 QTimerInfoList::activateTimers (this=0x55e2e7903730) at kernel/qtimerinfo_unix.cpp:643
#35 0x00007f249e587734 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:182
#36 0x00007f249a196ffe in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#37 0x00007f249a197298 in ?? () from /usr/lib64/libglib-2.0.so.0
#38 0x00007f249a19732c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#39 0x00007f249e587ac3 in QEventDispatcherGlib::processEvents (this=0x55e2e7956790, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#40 0x00007f24847499d1 in QPAEventDispatcherGlib::processEvents (this=0x55e2e7956790, flags=...) at qeventdispatcher_glib.cpp:69
#41 0x00007f249e534adb in QEventLoop::exec (this=this@entry=0x7fffee3b5070, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:140
#42 0x00007f249e53cc52 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:120
#43 0x000055e2e669f33b in main (argc=<optimized out>, argv=<optimized out>) at /usr/include/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 1833) detached]

Reported using DrKonqi