Application: kmail (5.5.2)

Qt Version: 5.9.1
Frameworks Version: 5.35.0
Operating System: Linux 4.4.0-83-generic x86_64
Distribution: KDE neon User Edition 5.10

-- Information about the crash:
- What I was doing when the application crashed: nothing.-
kmail crashes as soon as I run it. I get the message:
Cannot mix incompatible Qt library (version 0x50900) with this library (version 0x50901)

The crash can be reproduced every time.

-- 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 0x7fe2c0fe1980 (LWP 16541))]

Thread 22 (Thread 0x7fe265ffb700 (LWP 16577)):
#0  0x00007fe2e744270d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe2cb6f4861 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fe2cb6e5e11 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fe2cb6e64ae in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fe2cb6e6560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fe2cb6f47a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fe2c5a9d078 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#7  0x00007fe2dda486ba in start_thread (arg=0x7fe265ffb700) at pthread_create.c:333
#8  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7fe2667fc700 (LWP 16576)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe2e745db34 in ___fprintf_chk (fp=0x7fe2e770d770 <_IO_stdfile_2_lock>, flag=1, format=0x7fe2c9765734 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fe2c974d45e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00007fe2c974d654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#4  0x00007fe2c9751c38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#5  0x00007fe2c973be2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#6  0x00007fe2d32fd699 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe2dda486ba in start_thread (arg=0x7fe2667fc700) at pthread_create.c:333
#12 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7fe266ffd700 (LWP 16575)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2dda486ba in start_thread (arg=0x7fe266ffd700) at pthread_create.c:333
#9  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7fe2677fe700 (LWP 16574)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2dda486ba in start_thread (arg=0x7fe2677fe700) at pthread_create.c:333
#9  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7fe267fff700 (LWP 16573)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3bd484d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d332d4e0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2dda486ba in start_thread (arg=0x7fe267fff700) at pthread_create.c:333
#5  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7fe27cff9700 (LWP 16572)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d332bf7f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d332c717 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d332d4e0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2dda486ba in start_thread (arg=0x7fe27cff9700) at pthread_create.c:333
#6  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fe27d7fa700 (LWP 16571)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2dda486ba in start_thread (arg=0x7fe27d7fa700) at pthread_create.c:333
#9  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fe27dffb700 (LWP 16570)):
#0  0x00007fe2e743e2ad in write () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe2e73bfbff in _IO_new_file_write (f=0x7fe2e770c540 <_IO_2_1_stderr_>, data=0x7fe27dff7910, n=39) at fileops.c:1263
#2  0x00007fe2e73c038a in new_do_write (to_do=39, data=0x7fe27dff7910 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7fe2e770c540 <_IO_2_1_stderr_>) at fileops.c:518
#3  _IO_new_file_xsputn (f=0x7fe2e770c540 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1342
#4  0x00007fe2e7396f94 in buffered_vfprintf (s=0x7fe2e770c540 <_IO_2_1_stderr_>, format=<optimized out>, args=<optimized out>) at vfprintf.c:2341
#5  0x00007fe2e739432d in _IO_vfprintf_internal (s=s@entry=0x7fe2e770c540 <_IO_2_1_stderr_>, format=0x7fe2c9765734 "[%s] %s\n", ap=ap@entry=0x7fe27dff9ec8) at vfprintf.c:1293
#6  0x00007fe2e745db89 in ___fprintf_chk (fp=0x7fe2e770c540 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007fe2c974d45e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#8  0x00007fe2c974d654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#9  0x00007fe2c9751c38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#10 0x00007fe2c973be2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#11 0x00007fe2d32fd60e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fe2d2c41988 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fe2d2c41b6b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fe2dda486ba in start_thread (arg=0x7fe27dffb700) at pthread_create.c:333
#19 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fe27e7fc700 (LWP 16569)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d2c418d8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d2c41bcb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2dda486ba in start_thread (arg=0x7fe27e7fc700) at pthread_create.c:333
#11 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fe27effd700 (LWP 16568)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d2c41828 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d2c41bbb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2dda486ba in start_thread (arg=0x7fe27effd700) at pthread_create.c:333
#11 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fe27f7fe700 (LWP 16567)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d2c41778 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d2c41bab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2dda486ba in start_thread (arg=0x7fe27f7fe700) at pthread_create.c:333
#11 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fe27ffff700 (LWP 16566)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe2e745db34 in ___fprintf_chk (fp=0x7fe2e770d770 <_IO_stdfile_2_lock>, flag=1, format=0x7fe2c9765734 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fe2c974d45e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00007fe2c974d654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#4  0x00007fe2c9751c38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#5  0x00007fe2c973be2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#6  0x00007fe2d32fd60e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d2c416c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2d2c41b9b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fe2dda486ba in start_thread (arg=0x7fe27ffff700) at pthread_create.c:333
#14 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fe29cad1700 (LWP 16565)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d2c41618 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d2c41b8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d332da70 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2dda486ba in start_thread (arg=0x7fe29cad1700) at pthread_create.c:333
#11 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fe29d2d2700 (LWP 16564)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fe2d33597b2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3330ba9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d3331101 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2dda486ba in start_thread (arg=0x7fe29d2d2700) at pthread_create.c:333
#6  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fe29dad3700 (LWP 16563)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fe2d33597b2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3330ba9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d3331101 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2dda486ba in start_thread (arg=0x7fe29dad3700) at pthread_create.c:333
#6  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fe29e2d4700 (LWP 16562)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe2d3321b95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007fe2d3321c44 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007fe2d32fd07d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2dda486ba in start_thread (arg=0x7fe29e2d4700) at pthread_create.c:333
#9  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fe29ead5700 (LWP 16561)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fe2e745db34 in ___fprintf_chk (fp=0x7fe2e770d770 <_IO_stdfile_2_lock>, flag=1, format=0x7fe2c9765734 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fe2c974d45e in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00007fe2c974d654 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#4  0x00007fe2c9751c38 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#5  0x00007fe2c973be2d in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#6  0x00007fe2d32fd60e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe2d32f90c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe2d3315d9a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe2d332d9a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe2d3329b4d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe2dda486ba in start_thread (arg=0x7fe29ead5700) at pthread_create.c:333
#12 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe2b5570700 (LWP 16547)):
#0  0x00007fe2dbf548b0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe2dbf552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe2dbf5549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2e7d6a94b in QEventDispatcherGlib::processEvents (this=0x7fe2a00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe2e7d137ca in QEventLoop::exec (this=this@entry=0x7fe2b556fc40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe2e7b3ccd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe2e7b41989 in QThreadPrivate::start (arg=0xf583c0) at thread/qthread_unix.cpp:368
#7  0x00007fe2dda486ba in start_thread (arg=0x7fe2b5570700) at pthread_create.c:333
#8  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe2b5d71700 (LWP 16546)):
#0  0x00007fe2e744270d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe2dbf5538c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe2dbf5549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2e7d6a94b in QEventDispatcherGlib::processEvents (this=0x7fe2ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe2e7d137ca in QEventLoop::exec (this=this@entry=0x7fe2b5d70c40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe2e7b3ccd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe2e7b41989 in QThreadPrivate::start (arg=0xf32d20) at thread/qthread_unix.cpp:368
#7  0x00007fe2dda486ba in start_thread (arg=0x7fe2b5d71700) at pthread_create.c:333
#8  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe2b65ea700 (LWP 16545)):
#0  0x00007fe2dbf547f2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe2dbf552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe2dbf5549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2e7d6a94b in QEventDispatcherGlib::processEvents (this=0x7fe2a80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe2e7d137ca in QEventLoop::exec (this=this@entry=0x7fe2b65e9c40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fe2e7b3ccd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#6  0x00007fe2e7b41989 in QThreadPrivate::start (arg=0xf84200) at thread/qthread_unix.cpp:368
#7  0x00007fe2dda486ba in start_thread (arg=0x7fe2b65ea700) at pthread_create.c:333
#8  0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe2bc834700 (LWP 16543)):
#0  0x00007fe2dbf523e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe2dbf548bb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe2dbf552bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe2dbf5549c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe2e7d6a94b in QEventDispatcherGlib::processEvents (this=0x7fe2b00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe2e7d137ca in QEventLoop::exec (this=this@entry=0x7fe2bc833c10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fe2e7b3ccd4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:515
#7  0x00007fe2e9d4eb75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fe2e7b41989 in QThreadPrivate::start (arg=0x7fe2e9dc4da0) at thread/qthread_unix.cpp:368
#9  0x00007fe2dda486ba in start_thread (arg=0x7fe2bc834700) at pthread_create.c:333
#10 0x00007fe2e744e3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe2c0fe1980 (LWP 16541)):
[KCrash Handler]
#6  0x00007fe2e737c428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007fe2e737e02a in __GI_abort () at abort.c:89
#8  0x00007fe2e7b2a001 in qt_message_fatal (context=..., message=<synthetic pointer>) at global/qlogging.cpp:1690
#9  QMessageLogger::fatal (this=this@entry=0x7fff64990340, msg=msg@entry=0x7fe2e7e17408 "Cannot mix incompatible Qt library (version 0x%x) with this library (version 0x%x)") at global/qlogging.cpp:796
#10 0x00007fe2e7d3ea65 in QObjectPrivate::QObjectPrivate (this=<optimized out>, version=<optimized out>) at kernel/qobject.cpp:216
#11 0x00007fe2d6ea504e in QWebEngineCookieStorePrivate::QWebEngineCookieStorePrivate() () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe2d6ea51af in QWebEngineCookieStore::QWebEngineCookieStore(QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fe2d29e2e80 in QtWebEngineCore::BrowserContextAdapter::cookieStore() () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fe2d2a2fbd3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fe2d29e6892 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fe2d2f4188d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fe2d2c2dccb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fe2d2f36863 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007fe2d2f57939 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007fe2d2f60c14 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007fe2d2a35c4c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007fe2d2a38514 in QtWebEngineCore::WebContentsAdapter::initialize(QtWebEngineCore::WebContentsAdapterClient*) () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x00007fe2e333eba9 in WebEngineViewer::WebEnginePage::WebEnginePage (this=0x112ee10, profile=<optimized out>, parent=<optimized out>) at /workspace/build/webengineviewer/src/webenginepage.cpp:53
#24 0x00007fe2e4719c0e in MessageViewer::MailWebEnginePage::MailWebEnginePage (this=0x112ee10, profile=<optimized out>, parent=<optimized out>) at /workspace/build/messageviewer/src/viewer/webengine/mailwebenginepage.cpp:33
#25 0x00007fe2e4717558 in MessageViewer::MailWebEngineView::MailWebEngineView (this=0x112f9c0, ac=0xfda000, parent=<optimized out>) at /workspace/build/messageviewer/src/viewer/webengine/mailwebengineview.cpp:92
#26 0x00007fe2e46c201a in MessageViewer::ViewerPrivate::createWidgets (this=this@entry=0x128b000) at /workspace/build/messageviewer/src/viewer/viewer_p.cpp:1510
#27 0x00007fe2e46ca833 in MessageViewer::ViewerPrivate::ViewerPrivate (this=0x128b000, aParent=<optimized out>, mainWindow=<optimized out>, actionCollection=<optimized out>) at /workspace/build/messageviewer/src/viewer/viewer_p.cpp:262
#28 0x00007fe2e46b7230 in MessageViewer::Viewer::Viewer (this=0x128e780, aParent=<optimized out>, mainWindow=0x10078e0, actionCollection=0xfda000) at /workspace/build/messageviewer/src/viewer/viewer.cpp:54
#29 0x00007fe2e95c5321 in KMReaderWin::KMReaderWin (this=0x1256ec0, aParent=<optimized out>, mainWindow=<optimized out>, actionCollection=<optimized out>) at /workspace/build/src/kmreaderwin.cpp:113
#30 0x00007fe2e9605385 in KMMainWidget::createWidgets (this=this@entry=0x10078e0) at /workspace/build/src/kmmainwidget.cpp:1041
#31 0x00007fe2e960f345 in KMMainWidget::KMMainWidget (this=0x10078e0, parent=<optimized out>, aGUIClient=<optimized out>, actionCollection=<optimized out>, config=...) at /workspace/build/src/kmmainwidget.cpp:268
#32 0x00007fe2e95c1b7a in KMMainWin::KMMainWin (this=0x10364e0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /workspace/build/src/kmmainwin.cpp:61
#33 0x00007fe2e95d29bb in KMKernel::openReader (this=this@entry=0x7fff64992e40, onlyCheck=onlyCheck@entry=false) at /workspace/build/src/kmkernel.cpp:556
#34 0x00007fe2e95d6f8c in KMKernel::action (this=this@entry=0x7fff64992e40, mailto=mailto@entry=false, check=check@entry=false, to=..., cc=..., bcc=..., subj=..., body=..., messageFile=..., attachURLs=..., customHeaders=..., replyTo=..., inReplyTo=..., identity=...) at /workspace/build/src/kmkernel.cpp:1245
#35 0x00007fe2e95d880d in KMKernel::handleCommandLine (this=0x7fff64992e40, noArgsOpensReader=noArgsOpensReader@entry=true, args=..., workingDir=...) at /workspace/build/src/kmkernel.cpp:461
#36 0x0000000000403ab0 in KMailApplication::activate (this=this@entry=0x7fff64992e20, args=..., workindDir=...) at /workspace/build/src/main.cpp:98
#37 0x0000000000403795 in KMailApplication::delayedInstanceCreation (workindDir=..., args=..., this=0x7fff64992e20) at /workspace/build/src/main.cpp:107
#38 main (argc=1, argv=0x7fff64993058) at /workspace/build/src/main.cpp:158

Possible duplicates by query: bug 377996, bug 376420, bug 374462.

Reported using DrKonqi