Bug 402184

Summary: Opening email is crashing akonadi server and kmail
Product: [Applications] kmail2 Reporter: Edward Torvalds <wg51rrr1>
Component: generalAssignee: kdepim bugs <kdepim-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: wbauer1
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Edward Torvalds 2018-12-16 10:09:58 UTC 
Application: kmail (5.10.0)

Qt Version: 5.11.2
Frameworks Version: 5.53.0
Operating System: Linux 4.15.0-42-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
- What I was doing when the application crashed:
I tried opening a mail in gmail account. It happens every time. I have installed latest update

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e45bc1bc0 (LWP 12541))]

Thread 32 (Thread 0x7f9d6b7fe700 (LWP 14013)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9d6b7fd740, expected=0, futex_word=0x7f9d6b7fd928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9d6b7fd7e0, mutex=0x7f9d6b7fd8d8, cond=0x7f9d6b7fd900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9d6b7fd900, mutex=0x7f9d6b7fd8d8, abstime=0x7f9d6b7fd7e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e30ff in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9d6b7fe700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f9db4ff9700 (LWP 14012)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9db4ff8740, expected=0, futex_word=0x7f9db4ff8928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9db4ff87e0, mutex=0x7f9db4ff88d8, cond=0x7f9db4ff8900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9db4ff8900, mutex=0x7f9db4ff88d8, abstime=0x7f9db4ff87e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9db4ff9700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f9dbffff700 (LWP 14009)):
#0  0x00007f9e42a670b4 in __GI___libc_read (fd=99, buf=0x7f9dbfffe7d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9e363accd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e36368027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e363684e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbffff700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f9dd57fa700 (LWP 13214)):
#0  0x00007f9e42a670b4 in __GI___libc_read (fd=94, buf=0x7f9dd57f981e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9e1bfeeff1 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f9e254629fe in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f9e25463470 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f9e25463530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f9e25471399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f9e1c01e2a8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9dd57fa700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f9d5ac6b700 (LWP 12674)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9d8c00a580, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e36368539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9d5ac6b700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f9d5b46c700 (LWP 12660)):
#0  0x00007f9e42a670b4 in __GI___libc_read (fd=79, buf=0x7f9d5b46b7d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9e363accd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e36368027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e363684e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9d5b46c700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f9d6bfff700 (LWP 12619)):
#0  0x00007f9e42a876ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9e42a89474 in ___fprintf_chk (fp=0x7f9e42d448b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f9e22e936a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f9e22e7b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f9e22e7bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9e22e7d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9e22e73114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9e2d1aded5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e4253b6db in start_thread (arg=0x7f9d6bfff700) at pthread_create.c:463
#11 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f9db57fa700 (LWP 12617)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9d74007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e25471451 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f9e25462e10 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f9e254634a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f9e25463530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f9e25471399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f9e1c01e2a8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9db57fa700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f9db5ffb700 (LWP 12616)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9db5ffa710, expected=0, futex_word=0x7f9db5ffa8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9db5ffa7b0, mutex=0x7f9db5ffa8a8, cond=0x7f9db5ffa8d0) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9db5ffa8d0, mutex=0x7f9db5ffa8a8, abstime=0x7f9db5ffa7b0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1a70f8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9db5ffb700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f9db67fc700 (LWP 12615)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5616962c8958) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616962c8898, cond=0x5616962c8930) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x5616962c8930, mutex=0x5616962c8898) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2dc92078 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1f044c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9db67fc700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f9db6ffd700 (LWP 12614)):
#0  0x00007f9e42a876ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9e42a89474 in ___fprintf_chk (fp=0x7f9e42d448b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f9e22e936a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f9e22e7b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f9e22e7bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9e22e7d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9e22e73114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9e2d1aded5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e4253b6db in start_thread (arg=0x7f9db6ffd700) at pthread_create.c:463
#11 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f9db77fe700 (LWP 12613)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9db77fd8d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9db77fd888, cond=0x7f9db77fd8b0) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9db77fd8b0, mutex=0x7f9db77fd888) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1a70ea in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e4253b6db in start_thread (arg=0x7f9db77fe700) at pthread_create.c:463
#11 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f9db7fff700 (LWP 12612)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9db7ffe938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9db7ffe8e8, cond=0x7f9db7ffe910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9db7ffe910, mutex=0x7f9db7ffe8e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9db7fff700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f9dbcff9700 (LWP 12611)):
#0  0x00007f9e42a67187 in __GI___libc_write (fd=2, buf=0x7f9dbcff5860, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f9e429e21bd in _IO_new_file_write (f=0x7f9e42d43680 <_IO_2_1_stderr_>, data=0x7f9dbcff5860, n=39) at fileops.c:1203
#2  0x00007f9e429e2b2f in new_do_write (to_do=<optimized out>, data=0x7f9dbcff5860 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7f9e42d43680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f9e429e2b2f in _IO_new_file_xsputn (f=0x7f9e42d43680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f9e429b5707 in buffered_vfprintf (s=s@entry=0x7f9e42d43680 <_IO_2_1_stderr_>, format=format@entry=0x7f9e22e936a8 "[%s] %s\n", args=args@entry=0x7f9dbcff7e20) at vfprintf.c:2350
#5  0x00007f9e429b2726 in _IO_vfprintf_internal (s=s@entry=0x7f9e42d43680 <_IO_2_1_stderr_>, format=0x7f9e22e936a8 "[%s] %s\n", ap=ap@entry=0x7f9dbcff7e20) at vfprintf.c:1301
#6  0x00007f9e42a894c6 in ___fprintf_chk (fp=0x7f9e42d43680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f9e22e7b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f9e22e7bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f9e22e7d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f9e22e73114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f9e2d1adfc4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f9e2c2a723a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f9e2c2a785f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f9e2d1f06c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f9e4253b6db in start_thread (arg=0x7f9dbcff9700) at pthread_create.c:463
#18 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f9dbd7fa700 (LWP 12610)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dbd7f9938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dbd7f98e8, cond=0x7f9dbd7f9910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dbd7f9910, mutex=0x7f9dbd7f98e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e30ff in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbd7fa700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f9dbdffb700 (LWP 12609)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dbdffa938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dbdffa8e8, cond=0x7f9dbdffa910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dbdffa910, mutex=0x7f9dbdffa8e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbdffb700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f9dbe7fc700 (LWP 12608)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dbe7fb938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dbe7fb8e8, cond=0x7f9dbe7fb910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dbe7fb910, mutex=0x7f9dbe7fb8e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e30ff in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbe7fc700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f9dbeffd700 (LWP 12607)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dbeffc938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dbeffc8e8, cond=0x7f9dbeffc910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dbeffc910, mutex=0x7f9dbeffc8e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e30ff in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbeffd700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f9dbf7fe700 (LWP 12606)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dbf7fd938) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dbf7fd8e8, cond=0x7f9dbf7fd910) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dbf7fd910, mutex=0x7f9dbf7fd8e8) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e30ff in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dbf7fe700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f9dd4ff9700 (LWP 12604)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9dd4ff8740, expected=0, futex_word=0x7f9dd4ff8928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9dd4ff87e0, mutex=0x7f9dd4ff88d8, cond=0x7f9dd4ff8900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9dd4ff8900, mutex=0x7f9dd4ff88d8, abstime=0x7f9dd4ff87e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dd4ff9700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f9dd5ffb700 (LWP 12602)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9dd5ffa740, expected=0, futex_word=0x7f9dd5ffa928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9dd5ffa7e0, mutex=0x7f9dd5ffa8d8, cond=0x7f9dd5ffa900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9dd5ffa900, mutex=0x7f9dd5ffa8d8, abstime=0x7f9dd5ffa7e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dd5ffb700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f9dd67fc700 (LWP 12601)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9dd67fb740, expected=0, futex_word=0x7f9dd67fb928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9dd67fb7e0, mutex=0x7f9dd67fb8d8, cond=0x7f9dd67fb900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9dd67fb900, mutex=0x7f9dd67fb8d8, abstime=0x7f9dd67fb7e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dd67fc700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f9dd6ffd700 (LWP 12600)):
#0  0x00007f9e42541ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f9dd6ffc740, expected=0, futex_word=0x7f9dd6ffc928) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f9e42541ed9 in __pthread_cond_wait_common (abstime=0x7f9dd6ffc7e0, mutex=0x7f9dd6ffc8d8, cond=0x7f9dd6ffc900) at pthread_cond_wait.c:533
#2  0x00007f9e42541ed9 in __pthread_cond_timedwait (cond=0x7f9dd6ffc900, mutex=0x7f9dd6ffc8d8, abstime=0x7f9dd6ffc7e0) at pthread_cond_wait.c:667
#3  0x00007f9e2d1da917 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcbf7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcce2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1e1d61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1e32e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9dd6ffd700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f9dd77fe700 (LWP 12599)):
#0  0x00007f9e42a876ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f9e42a89474 in ___fprintf_chk (fp=0x7f9e42d448b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f9e22e936a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f9e22e7b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f9e22e7bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9e22e7d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9e22e73114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9e2d1aded5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e4253b6db in start_thread (arg=0x7f9dd77fe700) at pthread_create.c:463
#11 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9dd7fff700 (LWP 12598)):
#0  0x00007f9e425419f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9dd7ffe8d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f9e425419f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f9dd7ffe888, cond=0x7f9dd7ffe8b0) at pthread_cond_wait.c:502
#2  0x00007f9e425419f3 in __pthread_cond_wait (cond=0x7f9dd7ffe8b0, mutex=0x7f9dd7ffe888) at pthread_cond_wait.c:655
#3  0x00007f9e2d1da849 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9e2d1dcc0c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f9e2d1dcc9f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f9e2d1a70ea in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e4253b6db in start_thread (arg=0x7f9dd7fff700) at pthread_create.c:463
#11 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9de4d3d700 (LWP 12597)):
#0  0x00007f9e42a876d9 in __lll_unlock_wake_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:341
#1  0x00007f9e42a8950c in _IO_acquire_lock_clear_flags2_fct (p=<synthetic pointer>) at ../libio/libioP.h:807
#2  0x00007f9e42a8950c in ___fprintf_chk (fp=0x7f9e42d43680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:30
#3  0x00007f9e22e7b9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f9e22e7bb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f9e22e7d46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f9e22e73114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f9e2d1ade81 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f9e2d1ce20b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9e2d1f060f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f9e2d1ebff1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f9e4253b6db in start_thread (arg=0x7f9de4d3d700) at pthread_create.c:463
#12 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9df3fff700 (LWP 12554)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9dec05fcb0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e36368539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9df3fff700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9e00fd3700 (LWP 12553)):
#0  0x00007f9e42a670b4 in __GI___libc_read (fd=12, buf=0x7f9e00fd27d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f9e363accd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e36368027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e363684e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e4253b6db in start_thread (arg=0x7f9e00fd3700) at pthread_create.c:463
#10 0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9e01e72700 (LWP 12552)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9df4004a10, nfds=1, timeout=8700) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e36368539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f9e4253b6db in start_thread (arg=0x7f9e01e72700) at pthread_create.c:463
#8  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9e03083700 (LWP 12551)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9dfc031cf0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e36368539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9e433a604b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e43175bba in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f9e41338e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9e4253b6db in start_thread (arg=0x7f9e03083700) at pthread_create.c:463
#9  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9e0cd0c700 (LWP 12550)):
#0  0x00007f9e42a6bbf9 in __GI___poll (fds=0x7f9e0cd0b8e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9e35792747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9e3579436a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9e0ea10ed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f9e43180adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f9e4253b6db in start_thread (arg=0x7f9e0cd0c700) at pthread_create.c:463
#6  0x00007f9e42a7888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9e45bc1bc0 (LWP 12541)):
[KCrash Handler]
#6  0x00007f9e4521dc90 in KMReaderWin::viewer() const () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#7  0x00007f9e452577b5 in KMMainWidget::slotItemsFetchedForActivation(KMCommand*) () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#8  0x00007f9e4337b18f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9e45363922 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#10 0x00007f9e4523d16b in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#11 0x00007f9e4337b18f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9e453638be in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#13 0x00007f9e452427b9 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#14 0x00007f9e4337b18f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f9e4480e02c in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#16 0x00007f9e4480eb61 in KJob::finishJob(bool) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#17 0x00007f9e43387ef4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f9e4337bb9b in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f9e440d8e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f9e440e03ef in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f9e4334bfe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f9e433a54be in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f9e433a5c81 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f9e36368387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f9e363685c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f9e3636864c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f9e433a602f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f9e0ea9c761 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#29 0x00007f9e4334a30a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f9e433534d0 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00005616943f585d in  ()
#32 0x00007f9e42978b97 in __libc_start_main (main=0x5616943f48c0, argc=3, argv=0x7ffca02df228, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffca02df218) at ../csu/libc-start.c:310
#33 0x00005616943f598a in _start ()

Reported using DrKonqi
Comment 1 Wolfgang Bauer 2018-12-18 09:05:45 UTC 
(In reply to Edward Torvalds from comment #0)
> Thread 1 (Thread 0x7f9e45bc1bc0 (LWP 12541)):
> [KCrash Handler]
> #6  0x00007f9e4521dc90 in KMReaderWin::viewer() const () at
> /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
> #7  0x00007f9e452577b5 in
> KMMainWidget::slotItemsFetchedForActivation(KMCommand*) () at
> /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5

Even though debug symbols are missing, this looks very much like bug#401419 .

Should be fixed already (for 5.10.1/18.12.1), as a workaround for now re-enable the message preview pane (the crash only happens if it is disabled).

*** This bug has been marked as a duplicate of bug 401419 ***