[kmail2] [Bug 415300] New: KMail and Akregator crash on startup

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Tue Dec 17 21:48:41 GMT 2019


https://bugs.kde.org/show_bug.cgi?id=415300

            Bug ID: 415300
           Summary: KMail and Akregator crash on startup
           Product: kmail2
           Version: 5.7.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: diggeloid at pm.me
  Target Milestone: ---

Application: kmail (5.7.3)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-72-generic x86_64
Distribution: Ubuntu 18.04.3 LTS

-- Information about the crash:
KMail and Akregator both crash on startup, and also getting some weird bugs in
other software. It might be due to recent system updates. Did multiple `apt
upgrade`s over the past couple of weeks without restarting my PC as I'm working
on stuff, but even if a reboot fixes the issue this dump might still be useful
for improving general stability

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 0x7f509efe8b80 (LWP 21271))]

Thread 24 (Thread 0x7f4ffaffd700 (LWP 21309)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55a78b1592dc) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55a78b159288, cond=0x55a78b1592b0) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x55a78b1592b0,
mutex=0x55a78b159288) at pthread_cond_wait.c:655
#3  0x00007f508687dc95 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f508687e177 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508687ef11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f4ffaffd700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f4ffb7fe700 (LWP 21308)):
#0  0x00007f509c0dabf9 in __GI___poll (fds=0x7f4fe4007030, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f507f801481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f507f7f2e40 in pa_mainloop_poll () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f507f7f34d0 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f507f7f3560 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f507f8013c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f5076e31318 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f50919d76db in start_thread (arg=0x7f4ffb7fe700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f4ffbfff700 (LWP 21307)):
#0  0x00007f50919dded9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4ffbffe5d0, expected=0, futex_word=0x7f4ffbffe758) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f50919dded9 in __pthread_cond_wait_common (abstime=0x7f4ffbffe670,
mutex=0x7f4ffbffe708, cond=0x7f4ffbffe730) at pthread_cond_wait.c:533
#2  0x00007f50919dded9 in __pthread_cond_timedwait (cond=0x7f4ffbffe730,
mutex=0x7f4ffbffe708, abstime=0x7f4ffbffe670) at pthread_cond_wait.c:667
#3  0x00007f50868ac652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f508687391e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e52b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f508687f4d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f50919d76db in start_thread (arg=0x7f4ffbfff700) at
pthread_create.c:463
#11 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f5014ff9700 (LWP 21306)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55a78b1363a8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55a78b1362e8, cond=0x55a78b136380) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x55a78b136380,
mutex=0x55a78b1362e8) at pthread_cond_wait.c:655
#3  0x00007f5087005060 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f508687ef11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f50919d76db in start_thread (arg=0x7f5014ff9700) at
pthread_create.c:463
#7  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f50157fa700 (LWP 21305)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f50157f9738) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f50157f96e8, cond=0x7f50157f9710) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f50157f9710,
mutex=0x7f50157f96e8) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f508687f4d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f50919d76db in start_thread (arg=0x7f50157fa700) at
pthread_create.c:463
#11 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f5015ffb700 (LWP 21304)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55a78b1592dc) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55a78b159288, cond=0x55a78b1592b0) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x55a78b1592b0,
mutex=0x55a78b159288) at pthread_cond_wait.c:655
#3  0x00007f508687dc95 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f508687e177 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508687ef11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f5015ffb700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f50167fc700 (LWP 21303)):
#0  0x00007f509c0d6187 in __GI___libc_write (fd=2, buf=0x7f50167f86e0,
nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f509c0511bd in _IO_new_file_write (f=0x7f509c3b2680
<_IO_2_1_stderr_>, data=0x7f50167f86e0, n=39) at fileops.c:1203
#2  0x00007f509c051b2f in new_do_write (to_do=<optimized out>,
data=0x7f50167f86e0 "[warn] epoll_wait: Bad file descriptor\n",
fp=0x7f509c3b2680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f509c051b2f in _IO_new_file_xsputn (f=0x7f509c3b2680
<_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f509c024707 in buffered_vfprintf (s=s at entry=0x7f509c3b2680
<_IO_2_1_stderr_>, format=format at entry=0x7f507d8816a8 "[%s] %s\n",
args=args at entry=0x7f50167faca0) at vfprintf.c:2350
#5  0x00007f509c021726 in _IO_vfprintf_internal (s=s at entry=0x7f509c3b2680
<_IO_2_1_stderr_>, format=0x7f507d8816a8 "[%s] %s\n",
ap=ap at entry=0x7f50167faca0) at vfprintf.c:1301
#6  0x00007f509c0f84c6 in ___fprintf_chk (fp=0x7f509c3b2680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f507d8699ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f507d869b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f507d86b46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f507d861114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f508684eab9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f5086105978 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f5086105f2b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f50919d76db in start_thread (arg=0x7f50167fc700) at
pthread_create.c:463
#19 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f5016ffd700 (LWP 21302)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f5016ffc358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f5016ffc308, cond=0x7f5016ffc330) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f5016ffc330,
mutex=0x7f5016ffc308) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f50861058c8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f5086105f1b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f50919d76db in start_thread (arg=0x7f5016ffd700) at
pthread_create.c:463
#13 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f50177fe700 (LWP 21301)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f50177fd358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f50177fd308, cond=0x7f50177fd330) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f50177fd330,
mutex=0x7f50177fd308) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f5086105818 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f5086105f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f50919d76db in start_thread (arg=0x7f50177fe700) at
pthread_create.c:463
#13 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f5017fff700 (LWP 21300)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f5017ffe358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f5017ffe308, cond=0x7f5017ffe330) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f5017ffe330,
mutex=0x7f5017ffe308) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f5086105768 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f5086105efb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f50919d76db in start_thread (arg=0x7f5017fff700) at
pthread_create.c:463
#13 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f5034ff9700 (LWP 21299)):
#0  0x00007f509c0f66ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f509c0f8474 in ___fprintf_chk (fp=0x7f509c3b38b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f507d8816a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f507d8699ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f507d869b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f507d86b46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f507d861114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f508684eb0d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f50861056b8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f5086105eeb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f50919d76db in start_thread (arg=0x7f5034ff9700) at
pthread_create.c:463
#14 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f50357fa700 (LWP 21298)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f50357f9358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f50357f9308, cond=0x7f50357f9330) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f50357f9330,
mutex=0x7f50357f9308) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f5086105608 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f5086105edb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f508687f588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f50919d76db in start_thread (arg=0x7f50357fa700) at
pthread_create.c:463
#13 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f5035ffb700 (LWP 21297)):
#0  0x00007f50919dded9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f5035ffa7e0, expected=0, futex_word=0x7f50280052c0) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f50919dded9 in __pthread_cond_wait_common (abstime=0x7f5035ffa880,
mutex=0x7f5028005270, cond=0x7f5028005298) at pthread_cond_wait.c:533
#2  0x00007f50919dded9 in __pthread_cond_timedwait (cond=0x7f5028005298,
mutex=0x7f5028005270, abstime=0x7f5035ffa880) at pthread_cond_wait.c:667
#3  0x00007f50868ac652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f5086882799 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f5086882cfb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f5035ffb700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f50367fc700 (LWP 21296)):
#0  0x00007f50919dded9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f50367fb7e0, expected=0, futex_word=0x7f50280052c4) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f50919dded9 in __pthread_cond_wait_common (abstime=0x7f50367fb880,
mutex=0x7f5028005270, cond=0x7f5028005298) at pthread_cond_wait.c:533
#2  0x00007f50919dded9 in __pthread_cond_timedwait (cond=0x7f5028005298,
mutex=0x7f5028005270, abstime=0x7f50367fb880) at pthread_cond_wait.c:667
#3  0x00007f50868ac652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f5086882799 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f5086882cfb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f50367fc700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f5036ffd700 (LWP 21295)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f5036ffc738) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f5036ffc6e8, cond=0x7f5036ffc710) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x7f5036ffc710,
mutex=0x7f5036ffc6e8) at pthread_cond_wait.c:655
#3  0x00007f5086873999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f50868739c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f508684e4db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f508687f4d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f50919d76db in start_thread (arg=0x7f5036ffd700) at
pthread_create.c:463
#11 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f50377fe700 (LWP 21294)):
#0  0x00007f509c0f66ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f509c0f8474 in ___fprintf_chk (fp=0x7f509c3b38b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f507d8816a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f507d8699ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f507d869b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f507d86b46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f507d861114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f508684eab9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f508684ada8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f508686777b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f508687f4d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f508687b5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f50919d76db in start_thread (arg=0x7f50377fe700) at
pthread_create.c:463
#12 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f5045c02700 (LWP 21287)):
#0  0x00007f50919dd9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55a78b131160) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f50919dd9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55a78b131110, cond=0x55a78b131138) at pthread_cond_wait.c:502
#2  0x00007f50919dd9f3 in __pthread_cond_wait (cond=0x55a78b131138,
mutex=0x55a78b131110) at pthread_cond_wait.c:655
#3  0x00007f509c7ed5ab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f509c7e5c1b in QSemaphore::acquire(int) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f5046bf080c in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f5045c02700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f50477b3700 (LWP 21285)):
#0  0x00007f508fdc7649 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f508fd815af in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f508fd816dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f509ca2399b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f509c9c89fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f509c7e723a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f50919d76db in start_thread (arg=0x7f50477b3700) at
pthread_create.c:463
#8  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f505c918700 (LWP 21277)):
#0  0x00007f509c0d60b4 in __GI___libc_read (fd=12, buf=0x7f505c917810,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f508fdc62d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f508fd810b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f508fd81570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f508fd816dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f509ca2399b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f509c9c89fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f509c7e723a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f50919d76db in start_thread (arg=0x7f505c918700) at
pthread_create.c:463
#10 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f505d119700 (LWP 21276)):
#0  0x00007f509c0d60b4 in __GI___libc_read (fd=11, buf=0x7f505d118810,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f508fdc62d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f508fd810b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f508fd81570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f508fd816dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f509ca2399b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f509c9c89fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f509c7e723a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f50919d76db in start_thread (arg=0x7f505d119700) at
pthread_create.c:463
#10 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f505d91a700 (LWP 21275)):
#0  0x00007f508fdc7664 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f508fd80dc9 in g_main_context_query () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f508fd81547 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f508fd816dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f509ca2399b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f509c9c89fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f509c7e723a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f50919d76db in start_thread (arg=0x7f505d91a700) at
pthread_create.c:463
#9  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f5064ef0700 (LWP 21274)):
#0  0x00007f509c0d60b4 in __GI___libc_read (fd=7, buf=0x7f5064eef7e0,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f508fdc62d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f508fd810b7 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f508fd81570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f508fd816dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f509ca2399b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f509c9c89fa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f509c7e723a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f509b020d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f50919d76db in start_thread (arg=0x7f5064ef0700) at
pthread_create.c:463
#11 0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f5067327700 (LWP 21273)):
#0  0x00007f509c0dabf9 in __GI___poll (fds=0x7f5067326928, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f508f1af747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f508f1b136a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f50690225e9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f509c7ec17d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f50919d76db in start_thread (arg=0x7f5067327700) at
pthread_create.c:463
#6  0x00007f509c0e788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f509efe8b80 (LWP 21271)):
[KCrash Handler]
#6  0x00007f509c004e97 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:51
#7  0x00007f509c006801 in __GI_abort () at abort.c:79
#8  0x00007f509c7d6fb7 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f508dca19f0 in  () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#10 0x00007f508dca1d5a in  () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#11 0x00007f508dca3f8e in QQuickWidget::resizeEvent(QResizeEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#12 0x00007f508c5f37fd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#13 0x00007f509d787bf2 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f508dca49eb in QQuickWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#15 0x00007f508c5f3b1b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#16 0x00007f509d74883c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f509d750104 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f509c9ca9c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f509d7800fb in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f509d783ed3 in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f509d783dee in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f509d783dee in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007f509d783e40 in QWidgetPrivate::showChildren(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#48 0x00007f509d783eef in QWidgetPrivate::show_helper() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f509d786beb in QWidget::setVisible(bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007f509e88d2e0 in KMKernel::openReader(bool) () at
/usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#51 0x00007f509e89183c in KMKernel::action(bool, bool, QString const&, QString
const&, QString const&, QString const&, QString const&, QUrl const&,
QList<QUrl> const&, QStringList const&, QString const&, QString const&, QString
const&) () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#52 0x00007f509e892e6e in KMKernel::handleCommandLine(bool, QStringList const&,
QString const&) () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#53 0x000055a788d5dba1 in  ()
#54 0x000055a788d5d801 in  ()
#55 0x00007f509bfe7b97 in __libc_start_main (main=0x55a788d5c840, argc=3,
argv=0x7ffe1700e648, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe1700e638) at ../csu/libc-start.c:310
#56 0x000055a788d5d8fa in _start ()

Reported using DrKonqi

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