Application: kmail (5.7.3)

Qt Version: 5.9.5
Frameworks Version: 5.47.0
Operating System: Linux 4.18.0-17-generic x86_64
Distribution: Ubuntu 18.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I started kmail and selected a folder with unread mail. It opens the folder (show contents on list) but on display the mail content it crashed.

-- 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 0x7f923bc88b80 (LWP 3025))]

Thread 28 (Thread 0x7f9161d7c700 (LWP 3096)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f921fddffb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f921fddff68, cond=0x7f921fddff90) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f921fddff90, mutex=0x7f921fddff68) at pthread_cond_wait.c:655
#3  0x00007f921fae95f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f921fae9639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f922e6776db in start_thread (arg=0x7f9161d7c700) at pthread_create.c:463
#6  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f91631fc700 (LWP 3084)):
#0  0x00007f9238d760b4 in __GI___libc_read (fd=88, buf=0x7f91631fb810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f922ca662d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca210b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f922ca21570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f922e6776db in start_thread (arg=0x7f91631fc700) at pthread_create.c:463
#10 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f91957fa700 (LWP 3060)):
#0  0x00007f9238d7abf9 in __GI___poll (fds=0x7f9174007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f921c49a481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f921c48be40 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f921c48c4d0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f921c48c560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f921c49a3c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f9213ac8318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f922e6776db in start_thread (arg=0x7f91957fa700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f9195ffb700 (LWP 3059)):
#0  0x00007f9238d966ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9238d98474 in ___fprintf_chk (fp=0x7f92390538b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f921a51a6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f921a5029ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f921a502b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f921a50446c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f921a4fa114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f92234e9ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f922e6776db in start_thread (arg=0x7f9195ffb700) at pthread_create.c:463
#12 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f91967fc700 (LWP 3058)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91967fb738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91967fb6e8, cond=0x7f91967fb710) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91967fb710, mutex=0x7f91967fb6e8) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922e6776db in start_thread (arg=0x7f91967fc700) at pthread_create.c:463
#11 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f9196ffd700 (LWP 3057)):
#0  0x00007f922e67ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9196ffc5d0, expected=0, futex_word=0x7f9196ffc758) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f922e67ded9 in __pthread_cond_wait_common (abstime=0x7f9196ffc670, mutex=0x7f9196ffc708, cond=0x7f9196ffc730) at pthread_cond_wait.c:533
#2  0x00007f922e67ded9 in __pthread_cond_timedwait (cond=0x7f9196ffc730, mutex=0x7f9196ffc708, abstime=0x7f9196ffc670) at pthread_cond_wait.c:667
#3  0x00007f9223547652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e91e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e952b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922e6776db in start_thread (arg=0x7f9196ffd700) at pthread_create.c:463
#11 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f91977fe700 (LWP 3056)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed99707828) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed99707768, cond=0x55ed99707800) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x55ed99707800, mutex=0x55ed99707768) at pthread_cond_wait.c:655
#3  0x00007f9223ca0060 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9223519f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f922e6776db in start_thread (arg=0x7f91977fe700) at pthread_create.c:463
#7  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f9197fff700 (LWP 3055)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9197ffe738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9197ffe6e8, cond=0x7f9197ffe710) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f9197ffe710, mutex=0x7f9197ffe6e8) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922e6776db in start_thread (arg=0x7f9197fff700) at pthread_create.c:463
#11 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f91b8ff9700 (LWP 3054)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed99737678) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed99737628, cond=0x55ed99737650) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x55ed99737650, mutex=0x55ed99737628) at pthread_cond_wait.c:655
#3  0x00007f9223518c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9223519177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9223519f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91b8ff9700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f91b97fa700 (LWP 3053)):
#0  0x00007f9238d966ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9238d98474 in ___fprintf_chk (fp=0x7f92390538b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f921a51a6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f921a5029ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f921a502b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f921a50446c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f921a4fa114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f92234e9bf3 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da0978 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9222da0f2b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f922e6776db in start_thread (arg=0x7f91b97fa700) at pthread_create.c:463
#14 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f91b9ffb700 (LWP 3052)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91b9ffa358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91b9ffa308, cond=0x7f91b9ffa330) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91b9ffa330, mutex=0x7f91b9ffa308) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9222da08c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da0f1b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f922e6776db in start_thread (arg=0x7f91b9ffb700) at pthread_create.c:463
#13 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f91ba7fc700 (LWP 3051)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91ba7fb358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91ba7fb308, cond=0x7f91ba7fb330) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91ba7fb330, mutex=0x7f91ba7fb308) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9222da0818 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da0f0b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f922e6776db in start_thread (arg=0x7f91ba7fc700) at pthread_create.c:463
#13 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f91baffd700 (LWP 3050)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91baffc358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91baffc308, cond=0x7f91baffc330) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91baffc330, mutex=0x7f91baffc308) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9222da0768 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da0efb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f922e6776db in start_thread (arg=0x7f91baffd700) at pthread_create.c:463
#13 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f91bb7fe700 (LWP 3049)):
#0  0x00007f9238d966ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9238d98474 in ___fprintf_chk (fp=0x7f92390538b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f921a51a6a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f921a5029ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f921a502b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f921a50446c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f921a4fa114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f92234e9b0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da06b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9222da0eeb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f922e6776db in start_thread (arg=0x7f91bb7fe700) at pthread_create.c:463
#14 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f91d0876700 (LWP 3048)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91d0875358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91d0875308, cond=0x7f91d0875330) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91d0875330, mutex=0x7f91d0875308) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9222da0608 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9222da0edb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922351a588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f922e6776db in start_thread (arg=0x7f91d0876700) at pthread_create.c:463
#13 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f91bbfff700 (LWP 3047)):
#0  0x00007f922e67ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f91bbffe7e0, expected=0, futex_word=0x7f91bc004660) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f922e67ded9 in __pthread_cond_wait_common (abstime=0x7f91bbffe880, mutex=0x7f91bc004610, cond=0x7f91bc004638) at pthread_cond_wait.c:533
#2  0x00007f922e67ded9 in __pthread_cond_timedwait (cond=0x7f91bc004638, mutex=0x7f91bc004610, abstime=0x7f91bbffe880) at pthread_cond_wait.c:667
#3  0x00007f9223547652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922351d799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f922351dcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91bbfff700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f91d1077700 (LWP 3046)):
#0  0x00007f922e67ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f91d10767e0, expected=0, futex_word=0x7f91bc004664) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f922e67ded9 in __pthread_cond_wait_common (abstime=0x7f91d1076880, mutex=0x7f91bc004610, cond=0x7f91bc004638) at pthread_cond_wait.c:533
#2  0x00007f922e67ded9 in __pthread_cond_timedwait (cond=0x7f91bc004638, mutex=0x7f91bc004610, abstime=0x7f91d1076880) at pthread_cond_wait.c:667
#3  0x00007f9223547652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922351d799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f922351dcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91d1077700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f91d1878700 (LWP 3045)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f91d1877738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f91d18776e8, cond=0x7f91d1877710) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x7f91d1877710, mutex=0x7f91d18776e8) at pthread_cond_wait.c:655
#3  0x00007f922350e999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f922350e9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f92234e94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f922e6776db in start_thread (arg=0x7f91d1878700) at pthread_create.c:463
#11 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f91d2079700 (LWP 3044)):
#0  0x00007f9238d76187 in __GI___libc_write (fd=2, buf=0x7f91d2075ac0, nbytes=47) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f9238cf11bd in _IO_new_file_write (f=0x7f9239052680 <_IO_2_1_stderr_>, data=0x7f91d2075ac0, n=47) at fileops.c:1203
#2  0x00007f9238cf1b2f in new_do_write (to_do=<optimized out>, data=0x7f91d2075ac0 "[warn] epoll_wait: Ung\303\274ltiger Dateideskriptor\n", fp=0x7f9239052680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f9238cf1b2f in _IO_new_file_xsputn (f=0x7f9239052680 <_IO_2_1_stderr_>, data=<optimized out>, n=47) at fileops.c:1277
#4  0x00007f9238cc4707 in buffered_vfprintf (s=s@entry=0x7f9239052680 <_IO_2_1_stderr_>, format=format@entry=0x7f921a51a6a8 "[%s] %s\n", args=args@entry=0x7f91d2078080) at vfprintf.c:2350
#5  0x00007f9238cc1726 in _IO_vfprintf_internal (s=s@entry=0x7f9239052680 <_IO_2_1_stderr_>, format=0x7f921a51a6a8 "[%s] %s\n", ap=ap@entry=0x7f91d2078080) at vfprintf.c:1301
#6  0x00007f9238d984c6 in ___fprintf_chk (fp=0x7f9239052680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f921a5029ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f921a502b44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f921a50446c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f921a4fa114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f92234e9ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f92234e5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f922350277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f922351a4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f92235165eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f922e6776db in start_thread (arg=0x7f91d2079700) at pthread_create.c:463
#17 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f91d3fff700 (LWP 3037)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed996f9390) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed996f9340, cond=0x55ed996f9368) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x55ed996f9368, mutex=0x55ed996f9340) at pthread_cond_wait.c:655
#3  0x00007f923948d59b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9239485c0b in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f91dd1cb80c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91d3fff700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f91de074700 (LWP 3035)):
#0  0x00007f922e67f035 in __GI___pthread_getspecific (key=7) at pthread_getspecific.c:31
#1  0x00007f922ca49680 in g_thread_self () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca216cd in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91de074700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f91e73a1700 (LWP 3032)):
#0  0x00007f9238d760b4 in __GI___libc_read (fd=16, buf=0x7f91e73a0810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f922ca662d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca210b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f922ca21570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f922e6776db in start_thread (arg=0x7f91e73a1700) at pthread_create.c:463
#10 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f91e7ba2700 (LWP 3031)):
#0  0x00007f9238d7abf9 in __GI___poll (fds=0x7f91e0003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f922ca215c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91e7ba2700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f91f4c25700 (LWP 3030)):
#0  0x00007f922ca20e18 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f922ca21570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f922e6776db in start_thread (arg=0x7f91f4c25700) at pthread_create.c:463
#8  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f91f5e36700 (LWP 3029)):
#0  0x00007f9238d760b4 in __GI___libc_read (fd=10, buf=0x7f91f5e357e0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f922ca662d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f922ca210b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f922ca21570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92396c390b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f923948722a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9237cbed45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f922e6776db in start_thread (arg=0x7f91f5e36700) at pthread_create.c:463
#11 0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f91f6b17700 (LWP 3028)):
#0  0x00007f922e67d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ed99345848) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f922e67d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ed993457f8, cond=0x55ed99345820) at pthread_cond_wait.c:502
#2  0x00007f922e67d9f3 in __pthread_cond_wait (cond=0x55ed99345820, mutex=0x55ed993457f8) at pthread_cond_wait.c:655
#3  0x00007f9200398e6b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f9200398b97 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f922e6776db in start_thread (arg=0x7f91f6b17700) at pthread_create.c:463
#6  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f920390b700 (LWP 3027)):
#0  0x00007f9238d7abf9 in __GI___poll (fds=0x7f920390a928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f922be50747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f922be5236a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f92056062a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f923948c16d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f922e6776db in start_thread (arg=0x7f920390b700) at pthread_create.c:463
#6  0x00007f9238d8788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f923bc88b80 (LWP 3025)):
[KCrash Handler]
#6  0x00007f9238ca4e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f9238ca6801 in __GI_abort () at abort.c:79
#8  0x00007f9238c9639a in __assert_fail_base (fmt=0x7f923bd43195 "%s%s%s:%u: %s%sZusicherung \302\273%s\302\253 nicht erf\303\274llt.\n%n", assertion=assertion@entry=0x7f91fbbee608 "kref", file=file@entry=0x7f91fbbee5f2 "../nouveau/pushbuf.c", line=line@entry=723, function=function@entry=0x7f91fbbee740 "nouveau_pushbuf_data") at assert.c:92
#9  0x00007f9238c96412 in __GI___assert_fail (assertion=0x7f91fbbee608 "kref", file=0x7f91fbbee5f2 "../nouveau/pushbuf.c", line=723, function=0x7f91fbbee740 "nouveau_pushbuf_data") at assert.c:101
#10 0x00007f91fbbec9ad in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#11 0x00007f91fbbec966 in nouveau_pushbuf_data () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#12 0x00007f91fbbeca3f in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#13 0x00007f91fbbeceaf in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#14 0x00007f91fbbeda40 in nouveau_pushbuf_kick () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#15 0x00007f9200669116 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#16 0x00007f92002d0b8b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#17 0x00007f920049520a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#18 0x00007f9201c4fd88 in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#19 0x00007f9202f038f2 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#20 0x00007f9239c6600a in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007f9239f1ab9f in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#22 0x00007f9205625df7 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#23 0x00007f923a3f5067 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f923a3f67e2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f923a3f778f in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f923a3f8095 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f923a40f66f in QWidgetPrivate::syncBackingStore() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f923a4271a8 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f923a53ac4b in QMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f923877ab87 in KMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#31 0x00007f92387bfa05 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#32 0x00007f923a3e882c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f923a3f00f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f923966a9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f923966d11d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f92396c42c3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f922ca21417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f922ca21650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f922ca216dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f92396c38ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f92396689ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f9239671a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x000055ed988f37cd in  ()
#44 0x00007f9238c87b97 in __libc_start_main (main=0x55ed988f2840, argc=3, argv=0x7fff13144e48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff13144e38) at ../csu/libc-start.c:310
#45 0x000055ed988f38fa in _start ()

Possible duplicates by query: bug 400635, bug 399884.

Reported using DrKonqi