Application: kmail (5.14.1 (20.04.0))

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.7.0-2-amd64 x86_64
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
- What I was doing when the application crashed:
It was after E-Mail was deleted
- Custom settings of the application:
Running on plasma-wayland session
Auto-close mail window activated

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4bb3fe73c0 (LWP 203020))]

Thread 22 (Thread 0x7f4b6bfff700 (LWP 205561)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4b6bffdf70, clockid=1811930880, expected=0, futex_word=0x7f4b6bffe0b8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f4b6bffdf70, clockid=1811930880, mutex=0x7f4b6bffe068, cond=0x7f4b6bffe090) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f4b6bffe090, mutex=0x7f4b6bffe068, abstime=0x7f4b6bffdf70) at pthread_cond_wait.c:656
#3  0x00007f4bc255e9ba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000001a4fe in ?? ()
#5  0x000000003570501f in ?? ()
#6  0x000000000001a4dd in ?? ()
#7  0x0000000035705407 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7f4b44832700 (LWP 203339)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4bb9f79fb8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4bb9f79f68, cond=0x7f4bb9f79f90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f4bb9f79f90, mutex=0x7f4bb9f79f68) at pthread_cond_wait.c:638
#3  0x00007f4bb9e7df7a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f4bb9e7df99 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f4b45033700 (LWP 203336)):
#0  0x00007f4bc79077b9 in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4bc78bb6f0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4bcb00731b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4bcadd78de in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f4b45ffb700 (LWP 203312)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4b45ffa0c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4b45ffa078, cond=0x7f4b45ffa0a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f4b45ffa0a0, mutex=0x7f4b45ffa078) at pthread_cond_wait.c:638
#3  0x00007f4bc255e8bc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7f4b467fc700 (LWP 203301)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4b467fb0c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4b467fb078, cond=0x7f4b467fb0a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f4b467fb0a0, mutex=0x7f4b467fb078) at pthread_cond_wait.c:638
#3  0x00007f4bc255e8bc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f4b46ffd700 (LWP 203297)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4b46ffbfb8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4b46ffbf68, cond=0x7f4b46ffbf90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f4b46ffbf90, mutex=0x7f4b46ffbf68) at pthread_cond_wait.c:638
#3  0x00007f4bc255e8bc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f4b477fe700 (LWP 203296)):
#0  buffered_vfprintf (s=0x7f4b477fa2a0, s@entry=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f4bbc6e6238 "[%s] %s\n", args=args@entry=0x7f4b477fc940, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2363
#1  0x00007f4bca9e8194 in __vfprintf_internal (s=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, format=0x7f4bbc6e6238 "[%s] %s\n", ap=ap@entry=0x7f4b477fc940, mode_flags=2) at vfprintf-internal.c:1346
#2  0x00007f4bcaa89eef in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#3  0x00007f4bbc6cd37e in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#4  0x00007f4bbc6cd545 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f4bbc6cefcc in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f4bbc6c5035 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f4bc256699c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x0001000000000000 in ?? ()
#9  0x00007f4b477fd050 in ?? ()
#10 0x00007f4b477fd048 in ?? ()
#11 0x00007f4b3c0025a0 in ?? ()
#12 0x00007f4b477fd090 in ?? ()
#13 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f4b47fff700 (LWP 203295)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4b47ffde60, clockid=1207950832, expected=0, futex_word=0x7f4b47ffdfa8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f4b47ffde60, clockid=1207950832, mutex=0x7f4b47ffdf58, cond=0x7f4b47ffdf80) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f4b47ffdf80, mutex=0x7f4b47ffdf58, abstime=0x7f4b47ffde60) at pthread_cond_wait.c:656
#3  0x00007f4bc255e9ba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000001a4fb in ?? ()
#5  0x000000003518bc34 in ?? ()
#6  0x000000000001a4dd in ?? ()
#7  0x0000000035448724 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f4b68ff9700 (LWP 203294)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x7f4b68ff7fb8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4b68ff7f68, cond=0x7f4b68ff7f90) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f4b68ff7f90, mutex=0x7f4b68ff7f68) at pthread_cond_wait.c:638
#3  0x00007f4bc255e8bc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f4b697fa700 (LWP 203293)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x56131140244c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x561311402388, cond=0x561311402420) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x561311402420, mutex=0x561311402388) at pthread_cond_wait.c:638
#3  0x00007f4bc255e8bc in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f4b811a4700 (LWP 203286)):
#0  0x00007f4bc8331005 in __pthread_rwlock_rdunlock (rwlock=0x7f4bcab3e6a0 <__libc_setlocale_lock>) at pthread_rwlock_common.c:240
#1  __GI___pthread_rwlock_unlock (rwlock=0x7f4bcab3e6a0 <__libc_setlocale_lock>) at pthread_rwlock_unlock.c:43
#2  0x00007f4bca9b4480 in __dcigettext (domainname=<optimized out>, msgid1=0x7f4bcab08458 "Bad file descriptor", msgid2=msgid2@entry=0x0, plural=plural@entry=0, n=n@entry=0, category=category@entry=5) at dcigettext.c:584
#3  0x00007f4bca9b2f7f in __GI___dcgettext (domainname=<optimized out>, msgid=<optimized out>, category=category@entry=5) at dcgettext.c:47
#4  0x00007f4bcaa0c090 in __GI___strerror_r (errnum=errnum@entry=9, buf=buf@entry=0x0, buflen=buflen@entry=0) at _strerror.c:71
#5  0x00007f4bcaa0bf8f in strerror (errnum=9) at strerror.c:31
#6  0x00007f4bbc6cd532 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f4bbc6cefcc in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f4bbc6c5035 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007f4bc256699c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0001000000000000 in ?? ()
#11 0x00007f4b811a3030 in ?? ()
#12 0x00007f4b811a3028 in ?? ()
#13 0x00007f4b64002560 in ?? ()
#14 0x00007f4b811a3070 in ?? ()
#15 0x0000000004285bbd in ?? ()
#16 0x0000000000000045 in ?? ()
#17 0x00000000000b807d in ?? ()
#18 0x00007f4b811a3100 in ?? ()
#19 0x0000561310efee90 in ?? ()
#20 0x7fffffffffffffff in ?? ()
#21 0x0000000000000001 in ?? ()
#22 0x00007f4b811a3108 in ?? ()
#23 0x0000561311499888 in ?? ()
#24 0x00007f4b811a30b0 in ?? ()
#25 0x00007f4bc250bcdf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f4b811a31b0 in ?? ()
#27 0x7fffffffffffffff in ?? ()
#28 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f4b821a6700 (LWP 203284)):
#0  __GI___libc_write (nbytes=47, buf=0x7f4b821a2380, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7f4b821a2380, nbytes=47) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f4bca9fe725 in _IO_new_file_write (f=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, data=0x7f4b821a2380, n=47) at fileops.c:1176
#3  0x00007f4bca9fda96 in new_do_write (fp=fp@entry=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, data=data@entry=0x7f4b821a2380 "[warn] epoll_wait: Ung\303\274ltiger Dateideskriptor\n", to_do=to_do@entry=47) at libioP.h:948
#4  0x00007f4bca9fee1e in _IO_new_file_xsputn (n=47, data=<optimized out>, f=<optimized out>) at fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, data=<optimized out>, n=47) at fileops.c:1197
#6  0x00007f4bca9eb0b7 in buffered_vfprintf (s=s@entry=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f4bbc6e6238 "[%s] %s\n", args=args@entry=0x7f4b821a4920, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:948
#7  0x00007f4bca9e8194 in __vfprintf_internal (s=0x7f4bcab3d5c0 <_IO_2_1_stderr_>, format=0x7f4bbc6e6238 "[%s] %s\n", ap=ap@entry=0x7f4b821a4920, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007f4bcaa89eef in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007f4bbc6cd37e in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007f4bbc6cd545 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007f4bbc6cefcc in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007f4bbc6c5035 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007f4bc2566a7e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00017f4b821a5108 in ?? ()
#15 0x00007f4b821a5030 in ?? ()
#16 0x00007f4b821a5028 in ?? ()
#17 0x00007f4b74002680 in ?? ()
#18 0x00007f4b821a5108 in ?? ()
#19 0x00000000b2cacf21 in ?? ()
#20 0x0000000000000bb7 in ?? ()
#21 0x000000000009b361 in ?? ()
#22 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f4b83c25700 (LWP 203281)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4bcaddabe1 in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f4ba04bff6c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#3  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4ba2ffd700 (LWP 203031)):
#0  0x00007f4bcaa714bf in __GI___poll (fds=0x7f4b88061350, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4bc78bb7ee in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4bcb00731b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4bcadd78de in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4ba37fe700 (LWP 203030)):
#0  0x00007f4bcaa714bf in __GI___poll (fds=0x7f4b84004a60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4bc78bb7ee in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4bcb00731b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4bcadd78de in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4ba3fff700 (LWP 203029)):
#0  0x00007f4bc78bad40 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4bc78bb71b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4bcb00731b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4bcadd78de in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4ba966f700 (LWP 203028)):
#0  0x00007f4bc78b7e7b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4bc78b9865 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4bc78bb13f in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4bc78bb792 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f4bcb00731b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bcadd78de in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4bca5b7a27 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f4bcadd8a01 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4baa17a700 (LWP 203027)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x56131010cd38) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56131010cce8, cond=0x56131010cd10) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56131010cd10, mutex=0x56131010cce8) at pthread_cond_wait.c:638
#3  0x00007f4bb231847b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f4bb2317f57 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4baa97b700 (LWP 203026)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x56131010cd38) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56131010cce8, cond=0x56131010cd10) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56131010cd10, mutex=0x56131010cce8) at pthread_cond_wait.c:638
#3  0x00007f4bb231847b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f4bb2317f57 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4bab17c700 (LWP 203025)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x56131010cd38) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56131010cce8, cond=0x56131010cd10) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56131010cd10, mutex=0x56131010cce8) at pthread_cond_wait.c:638
#3  0x00007f4bb231847b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f4bb2317f57 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4bab97d700 (LWP 203024)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x56131010cd38) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56131010cce8, cond=0x56131010cd10) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x56131010cd10, mutex=0x56131010cce8) at pthread_cond_wait.c:638
#3  0x00007f4bb231847b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007f4bb2317f57 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007f4bc832aea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f4bcaa7beaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4bb3fe73c0 (LWP 203020)):
[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f4bca9a3537 in __GI_abort () at abort.c:79
#6  0x00007f4bcad9eb51 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4bb3b90cf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#8  0x00007f4bb3b98739 in QtWaylandClient::QWaylandShmBackingStore::resize(QSize const&) () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#9  0x00007f4bb3b98989 in QtWaylandClient::QWaylandShmBackingStore::beginPaint(QRegion const&) () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#10 0x00007f4bcb53529e in QBackingStore::beginPaint(QRegion const&) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#11 0x00007f4bcba5cb8e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f4bcba8cc57 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f4bca885a9b in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#14 0x00007f4bca8cf9b7 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#15 0x00007f4bcba4c03f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f4bcafb1b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f4bcba5dba5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f4bcba60570 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f4bcba7520b in QWidget::repaint(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f4bcba7526a in QWidget::repaint() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f4bc91e3aae in KPIM::StatusbarProgressWidget::activateSingleItemMode() () from /usr/lib/x86_64-linux-gnu/libKF5Libkdepim.so.5
#22 0x00007f4bcafe68c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f4bc91dbb12 in KPIM::ProgressManager::progressItemCompleted(KPIM::ProgressItem*) () from /usr/lib/x86_64-linux-gnu/libKF5Libkdepim.so.5
#24 0x00007f4bcafe68c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f4bc91db7c2 in KPIM::ProgressItem::progressItemCompleted(KPIM::ProgressItem*) () from /usr/lib/x86_64-linux-gnu/libKF5Libkdepim.so.5
#26 0x00007f4bcc22abd9 in ?? () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#27 0x00007f4bcc22bd09 in ?? () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#28 0x00007f4bcafe68c6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f4bcbfb257c in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#30 0x00007f4bcbfb3083 in KJob::finishJob(bool) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#31 0x00007f4bcafdcf21 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f4bcba4c03f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f4bcafb1b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f4bcafb44c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f4bcb007c73 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f4bc78bb5fd in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f4bc78bb880 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f4bc78bb90f in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f4bcb0072ff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007f4bcafb04db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f4bcafb8782 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x000056130e94142d in ?? ()
#43 0x00007f4bca9a4cca in __libc_start_main (main=0x56130e940420, argc=1, argv=0x7fff8c91ef28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff8c91ef18) at ../csu/libc-start.c:308
#44 0x000056130e9415da in ?? ()
[Inferior 1 (process 203020) detached]

Possible duplicates by query: bug 424911, bug 423951, bug 423222, bug 423132, bug 422433.

Reported using DrKonqi