[kmail2] [Bug 400953] New: Kmail cannot load messages and crashes after restart

Jaime Valenzuela bugzilla_noreply at kde.org
Mon Nov 12 07:36:15 GMT 2018


https://bugs.kde.org/show_bug.cgi?id=400953

            Bug ID: 400953
           Summary: Kmail cannot load messages and crashes after restart
           Product: kmail2
           Version: 5.9.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: jauma.aka.jmc at gmail.com
  Target Milestone: ---

Application: kmail (5.9.2)

Qt Version: 5.11.2
Frameworks Version: 5.51.0
Operating System: Linux 4.15.0-38-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
- What I was doing when the application crashed:

Trying to load a message in Inbox, kmail is stuck at the screen "loading folder
contents". After a while, I decided to restart the app and kmail crashes at
start up. For the second try of restart, I kill all the processes for akonadi
and start kmail again. Crashes again. After a few attempts finally it is
working again. It has happened 2 or 3 times already. Some infoemation of the
system:
Operating System: KDE neon 5.14
KDE Plasma Version: 5.14.3
Qt Version: 5.11.2
KDE Frameworks Version: 5.51.0
Kernel Version: 4.15.0-38-generic
OS Type: 64-bit
Processors: 4 × AMD A10-5750M APU with Radeon(tm) HD Graphics
Memory: 7,0 GiB of RAM

The crash can be reproduced sometimes.

-- 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 0x7f2a44cc8bc0 (LWP 14656))]

Thread 35 (Thread 0x7f28d5785700 (LWP 14883)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f28d5784740, expected=0, futex_word=0x7f28d5784928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f28d57847e0,
mutex=0x7f28d57848d8, cond=0x7f28d5784900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f28d5784900,
mutex=0x7f28d57848d8, abstime=0x7f28d57847e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f28d5785700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7f28d5f86700 (LWP 14882)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f28d5f85740, expected=0, futex_word=0x7f28d5f85928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f28d5f857e0,
mutex=0x7f28d5f858d8, cond=0x7f28d5f85900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f28d5f85900,
mutex=0x7f28d5f858d8, abstime=0x7f28d5f857e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f28d5f86700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7f29c5ffb700 (LWP 14865)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29c5ffa740, expected=0, futex_word=0x7f29c5ffa928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29c5ffa7e0,
mutex=0x7f29c5ffa8d8, cond=0x7f29c5ffa900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29c5ffa900,
mutex=0x7f29c5ffa8d8, abstime=0x7f29c5ffa7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4260ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c5ffb700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7f29dd417700 (LWP 14826)):
#0  0x00007f2a41b54bf9 in __GI___poll (fds=0x7f29d8004c30, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2a353ec439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a4161f6db in start_thread (arg=0x7f29dd417700) at
pthread_create.c:463
#8  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7f29c67fc700 (LWP 14776)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29c67fb740, expected=0, futex_word=0x7f29c67fb928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29c67fb7e0,
mutex=0x7f29c67fb8d8, cond=0x7f29c67fb900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29c67fb900,
mutex=0x7f29c67fb8d8, abstime=0x7f29c67fb7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c67fc700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f29579bf700 (LWP 14725)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f2a27fbffb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f2a27fbff68, cond=0x7f2a27fbff90) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f2a27fbff90,
mutex=0x7f2a27fbff68) at pthread_cond_wait.c:655
#3  0x00007f2a27cca954 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f2a27cca999 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f2a4161f6db in start_thread (arg=0x7f29579bf700) at
pthread_create.c:463
#6  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f296a6ac700 (LWP 14712)):
#0  0x00007f2a41b54bf9 in __GI___poll (fds=0x7f2974006830, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2a353ec439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a4161f6db in start_thread (arg=0x7f296a6ac700) at
pthread_create.c:463
#8  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f29aaffd700 (LWP 14694)):
#0  0x00007f2a1af28ebc in pa_pstream_ref () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007f2a1af29a41 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f2a1af2a2cf in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007f2a2464c0d8 in pa_mainloop_dispatch () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f2a2464c4ae in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f2a2464c530 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f2a2465a399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f2a1af3a2a8 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007f2a4161f6db in start_thread (arg=0x7f29aaffd700) at
pthread_create.c:463
#9  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f29ab7fe700 (LWP 14693)):
#0  0x00007f2a41b50187 in __GI___libc_write (fd=2, buf=0x7f29ab7fac50,
nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f2a41acb1bd in _IO_new_file_write (f=0x7f2a41e2c680
<_IO_2_1_stderr_>, data=0x7f29ab7fac50, n=39) at fileops.c:1203
#2  0x00007f2a41acbb2f in new_do_write (to_do=<optimized out>,
data=0x7f29ab7fac50 "[warn] epoll_wait: Bad file descriptor\n",
fp=0x7f2a41e2c680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f2a41acbb2f in _IO_new_file_xsputn (f=0x7f2a41e2c680
<_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f2a41a9e707 in buffered_vfprintf (s=s at entry=0x7f2a41e2c680
<_IO_2_1_stderr_>, format=format at entry=0x7f2a21e2f6a8 "[%s] %s\n",
args=args at entry=0x7f29ab7fd210) at vfprintf.c:2350
#5  0x00007f2a41a9b726 in _IO_vfprintf_internal (s=s at entry=0x7f2a41e2c680
<_IO_2_1_stderr_>, format=0x7f2a21e2f6a8 "[%s] %s\n",
ap=ap at entry=0x7f29ab7fd210) at vfprintf.c:1301
#6  0x00007f2a41b724c6 in ___fprintf_chk (fp=0x7f2a41e2c680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f2a21e179ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f2a21e17b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f2a21e1946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f2a21e0f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f2a2c3f0e81 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f2a4161f6db in start_thread (arg=0x7f29ab7fe700) at
pthread_create.c:463
#16 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f29abfff700 (LWP 14692)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29abffe710, expected=0, futex_word=0x7f29abffe8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29abffe7b0,
mutex=0x7f29abffe8a8, cond=0x7f29abffe8d0) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29abffe8d0,
mutex=0x7f29abffe8a8, abstime=0x7f29abffe7b0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c3ea0f8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29abfff700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f29b0ff9700 (LWP 14691)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29b0ff8710, expected=0, futex_word=0x7f29b0ff88f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29b0ff87b0,
mutex=0x7f29b0ff88a8, cond=0x7f29b0ff88d0) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29b0ff88d0,
mutex=0x7f29b0ff88a8, abstime=0x7f29b0ff87b0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c3ea0f8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29b0ff9700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f29b17fa700 (LWP 14690)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55f40a6e2ad8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55f40a6e2a18, cond=0x55f40a6e2ab0) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x55f40a6e2ab0,
mutex=0x55f40a6e2a18) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2ced5078 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c43344c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a4161f6db in start_thread (arg=0x7f29b17fa700) at
pthread_create.c:463
#8  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f29b1ffb700 (LWP 14689)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29b1ffa938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29b1ffa8e8, cond=0x7f29b1ffa910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29b1ffa910,
mutex=0x7f29b1ffa8e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29b1ffb700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f29b27fc700 (LWP 14688)):
#0  0x00007f2a41b706ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f2a41b72474 in ___fprintf_chk (fp=0x7f2a41e2d8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f2a21e2f6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f2a21e179ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f2a21e17b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f2a21e1946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f2a21e0f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f2a2c3f0e81 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2b4ea23a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a2b4ea85f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f2a2c4336c8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f2a4161f6db in start_thread (arg=0x7f29b27fc700) at
pthread_create.c:463
#13 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f29b2ffd700 (LWP 14687)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29b2ffc938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29b2ffc8e8, cond=0x7f29b2ffc910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29b2ffc910,
mutex=0x7f29b2ffc8e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4260ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29b2ffd700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f29b37fe700 (LWP 14686)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29b37fd938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29b37fd8e8, cond=0x7f29b37fd910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29b37fd910,
mutex=0x7f29b37fd8e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29b37fe700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f29b3fff700 (LWP 14685)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29b3ffe938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29b3ffe8e8, cond=0x7f29b3ffe910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29b3ffe910,
mutex=0x7f29b3ffe8e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4260ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29b3fff700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f29c4ff9700 (LWP 14684)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29c4ff8938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29c4ff88e8, cond=0x7f29c4ff8910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29c4ff8910,
mutex=0x7f29c4ff88e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4260ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c4ff9700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f29c57fa700 (LWP 14683)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29c57f9938) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29c57f98e8, cond=0x7f29c57f9910) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29c57f9910,
mutex=0x7f29c57f98e8) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d78 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4260ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c57fa700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f29c6ffd700 (LWP 14680)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29c6ffc740, expected=0, futex_word=0x7f29c6ffc928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29c6ffc7e0,
mutex=0x7f29c6ffc8d8, cond=0x7f29c6ffc900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29c6ffc900,
mutex=0x7f29c6ffc8d8, abstime=0x7f29c6ffc7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c6ffd700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f29c77fe700 (LWP 14679)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29c77fd740, expected=0, futex_word=0x7f29c77fd928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29c77fd7e0,
mutex=0x7f29c77fd8d8, cond=0x7f29c77fd900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29c77fd900,
mutex=0x7f29c77fd8d8, abstime=0x7f29c77fd7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c77fe700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f29c7fff700 (LWP 14678)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29c7ffe740, expected=0, futex_word=0x7f29c7ffe928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29c7ffe7e0,
mutex=0x7f29c7ffe8d8, cond=0x7f29c7ffe900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29c7ffe900,
mutex=0x7f29c7ffe8d8, abstime=0x7f29c7ffe7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29c7fff700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f29d4f3d700 (LWP 14677)):
#0  0x00007f2a41625ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f29d4f3c740, expected=0, futex_word=0x7f29d4f3c928) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f2a41625ed9 in __pthread_cond_wait_common (abstime=0x7f29d4f3c7e0,
mutex=0x7f29d4f3c8d8, cond=0x7f29d4f3c900) at pthread_cond_wait.c:533
#2  0x00007f2a41625ed9 in __pthread_cond_timedwait (cond=0x7f29d4f3c900,
mutex=0x7f29d4f3c8d8, abstime=0x7f29d4f3c7e0) at pthread_cond_wait.c:667
#3  0x00007f2a2c41d917 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fbf7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fce2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c424d61 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c4262e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29d4f3d700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f29d573e700 (LWP 14676)):
#0  0x00007f2a41b706d9 in __lll_unlock_wake_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:341
#1  0x00007f2a41b7250c in _IO_acquire_lock_clear_flags2_fct (p=<synthetic
pointer>) at ../libio/libioP.h:807
#2  0x00007f2a41b7250c in ___fprintf_chk (fp=0x7f2a41e2c680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:30
#3  0x00007f2a21e179ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f2a21e17b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f2a21e1946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f2a21e0f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f2a2c3f0ed5 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f2a4161f6db in start_thread (arg=0x7f29d573e700) at
pthread_create.c:463
#12 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f29d5f3f700 (LWP 14675)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f29d5f3e8d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f29d5f3e888, cond=0x7f29d5f3e8b0) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x7f29d5f3e8b0,
mutex=0x7f29d5f3e888) at pthread_cond_wait.c:655
#3  0x00007f2a2c41d849 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f2a2c41fc0c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f2a2c41fc9f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f2a2c3ea0ea in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f2a4161f6db in start_thread (arg=0x7f29d5f3f700) at
pthread_create.c:463
#11 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f29d6975700 (LWP 14674)):
#0  0x00007f2a41b706ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f2a41b72474 in ___fprintf_chk (fp=0x7f2a41e2d8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f2a21e2f6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f2a21e179ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f2a21e17b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f2a21e1946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f2a21e0f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f2a2c3f0ed5 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f2a2c41120b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f2a2c43360f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f2a4161f6db in start_thread (arg=0x7f29d6975700) at
pthread_create.c:463
#11 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f29d7176700 (LWP 14673)):
#0  0x00007f2a41b246c2 in __GI___waitpid (pid=14670, stat_loc=0x0, options=0)
at ../sysdeps/unix/sysv/linux/waitpid.c:30
#1  0x00007f2a2c408c36 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#2  0x00007f2a2c42eff1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#3  0x00007f2a4161f6db in start_thread (arg=0x7f29d7176700) at
pthread_create.c:463
#4  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f29eeb96700 (LWP 14663)):
#0  0x00007f2a41b500b4 in __GI___libc_read (fd=16, buf=0x7f29eeb957d0,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f2a35430a00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ebf27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a353ec3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29eeb96700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f29ef397700 (LWP 14662)):
#0  0x00007f2a41b54bf9 in __GI___poll (fds=0x7f29e0003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2a353ec439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a4161f6db in start_thread (arg=0x7f29ef397700) at
pthread_create.c:463
#8  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f29effff700 (LWP 14661)):
#0  0x00007f2a41b500b4 in __GI___libc_read (fd=12, buf=0x7f29efffe7d0,
nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f2a35430a00 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ebf27 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a353ec3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29effff700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f29fd5b7700 (LWP 14660)):
#0  0x00007f2a35431d94 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f2a353ebe49 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a353ec3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2a4249d04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2a4226cbba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a40655e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f2a4161f6db in start_thread (arg=0x7f29fd5b7700) at
pthread_create.c:463
#10 0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f29fe867700 (LWP 14659)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55f40a1fb2b8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55f40a1fb268, cond=0x55f40a1fb290) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x55f40a1fb290,
mutex=0x55f40a1fb268) at pthread_cond_wait.c:655
#3  0x00007f2a0843046b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f2a08430197 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f2a4161f6db in start_thread (arg=0x7f29fe867700) at
pthread_create.c:463
#6  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f29ff69f700 (LWP 14658)):
#0  0x00007f2a416259f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55f40a272ef4) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f2a416259f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55f40a272ea0, cond=0x55f40a272ec8) at pthread_cond_wait.c:502
#2  0x00007f2a416259f3 in __pthread_cond_wait (cond=0x55f40a272ec8,
mutex=0x55f40a272ea0) at pthread_cond_wait.c:655
#3  0x00007f2a0843046b in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#4  0x00007f2a08430197 in  () at /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#5  0x00007f2a4161f6db in start_thread (arg=0x7f29ff69f700) at
pthread_create.c:463
#6  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2a0b98f700 (LWP 14657)):
#0  0x00007f2a41b54bf9 in __GI___poll (fds=0x7f2a0b98e8e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2a3480b747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2a3480d36a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2a0d6b3ed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f2a42277adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2a4161f6db in start_thread (arg=0x7f2a0b98f700) at
pthread_create.c:463
#6  0x00007f2a41b6188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2a44cc8bc0 (LWP 14656)):
[KCrash Handler]
#6  0x00007f2a422f3f5a in operator==(QString const&, QString const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2a3fb1eedc in KStatusNotifierItem::setToolTipSubTitle(QString
const&) () at /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5
#8  0x00007f2a44327511 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#9  0x00007f2a4432a484 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#10 0x00007f2a4432a570 in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#11 0x00007f2a4432aa7f in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#12 0x00007f2a4432b06e in  () at /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#13 0x00007f2a4247218f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f2a3b5bfb27 in Akonadi::Monitor::collectionStatisticsChanged(long
long, Akonadi::CollectionStatistics const&) () at
/usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#15 0x00007f2a3b5c560a in
Akonadi::MonitorPrivate::slotStatisticsChangedFinished(KJob*) () at
/usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5
#16 0x00007f2a42472075 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f2a43909fdc in KJob::result(KJob*, KJob::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#18 0x00007f2a4390ab11 in KJob::finishJob(bool) () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#19 0x00007f2a4247eef4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f2a42472b9b in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f2a431d2e1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f2a431da3ef in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f2a42442fe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f2a4249c4be in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f2a4249cc81 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f2a353ec287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f2a353ec4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f2a353ec54c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f2a4249d02f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f2a0d73f761 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#31 0x00007f2a4244130a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f2a4244a4d0 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x000055f4095f784d in  ()
#34 0x00007f2a41a61b97 in __libc_start_main (main=0x55f4095f68c0, argc=1,
argv=0x7ffd708517a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd70851798) at ../csu/libc-start.c:310
#35 0x000055f4095f797a in _start ()

Reported using DrKonqi

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