Application: kmail (5.7.3)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-34-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Started KMail.
Clicked "check new mail".
KMail starter processing, with unusuall hangs in displaying current mail lists.
After while crash.

-- 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 0x7fc1a9701b80 (LWP 2152))]

Thread 35 (Thread 0x7fc0eaffd700 (LWP 4106)):
#0  0x00007fc19c0d4ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fc0eaffc7e0, expected=0, futex_word=0x7fc10c004414) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fc0eaffc880, mutex=0x7fc10c0043c0, cond=0x7fc10c0043e8) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fc10c0043e8, mutex=0x7fc10c0043c0, abstime=0x7fc0eaffc880) at pthread_cond_wait.c:667
#3  0x00007fc190fa4652 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f7a799 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f7acfb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc0eaffd700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fc03b9b8700 (LWP 2863)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1fd69f0c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1fd69eb8, cond=0x562c1fd69ee0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1fd69ee0, mutex=0x562c1fd69eb8) at pthread_cond_wait.c:655
#3  0x00007fc190f75c95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f76177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f76f11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc03b9b8700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fc03c1b9700 (LWP 2862)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1fd69f0c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1fd69eb8, cond=0x562c1fd69ee0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1fd69ee0, mutex=0x562c1fd69eb8) at pthread_cond_wait.c:655
#3  0x00007fc190f75c95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f76177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f76f11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc03c1b9700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fc0bd3ee700 (LWP 2861)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc18d83efb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc18d83ef68, cond=0x7fc18d83ef90) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc18d83ef90, mutex=0x7fc18d83ef68) at pthread_cond_wait.c:655
#3  0x00007fc18d5485f4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fc18d548639 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc0bd3ee700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fc0beca5700 (LWP 2832)):
#0  0x00007fc1a67cd0b4 in __GI___libc_read (fd=77, buf=0x7fc0beca4810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fc19a4bd980 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc19a478f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc19a4793e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc19c0ce6db in start_thread (arg=0x7fc0beca5700) at pthread_create.c:463
#10 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fc0c0d1e700 (LWP 2338)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c201a3ff0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c201a3fa0, cond=0x562c201a3fc8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c201a3fc8, mutex=0x562c201a3fa0) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc0c0d1e700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fc0e97fa700 (LWP 2305)):
#0  0x00007fc18151b40a in pa_srbchannel_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#1  0x00007fc1815179a0 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fc18151a6ab in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#3  0x00007fc18151aa49 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#4  0x00007fc18151b2cf in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#5  0x00007fc189eeb0d8 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fc189eeb4ae in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fc189eeb530 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#8  0x00007fc189ef9399 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#9  0x00007fc18152b2a8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#10 0x00007fc19c0ce6db in start_thread (arg=0x7fc0e97fa700) at pthread_create.c:463
#11 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fc0e9ffb700 (LWP 2304)):
#0  0x00007fc19c0d4ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fc0e9ffa5d0, expected=0, futex_word=0x7fc0e9ffa758) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  __pthread_cond_wait_common (abstime=0x7fc0e9ffa670, mutex=0x7fc0e9ffa708, cond=0x7fc0e9ffa730) at pthread_cond_wait.c:533
#2  __pthread_cond_timedwait (cond=0x7fc0e9ffa730, mutex=0x7fc0e9ffa708, abstime=0x7fc0e9ffa670) at pthread_cond_wait.c:667
#3  0x00007fc190fa4652 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b91e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f4652b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc190f774d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc19c0ce6db in start_thread (arg=0x7fc0e9ffb700) at pthread_create.c:463
#11 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fc0ea7fc700 (LWP 2303)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1fd77848) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1fd77788, cond=0x562c1fd77820) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1fd77820, mutex=0x562c1fd77788) at pthread_cond_wait.c:655
#3  0x00007fc1916fd060 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f76f11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc19c0ce6db in start_thread (arg=0x7fc0ea7fc700) at pthread_create.c:463
#7  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fc0ebfff700 (LWP 2300)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc0ebffe738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc0ebffe6e8, cond=0x7fc0ebffe710) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc0ebffe710, mutex=0x7fc0ebffe6e8) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc190f774d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc19c0ce6db in start_thread (arg=0x7fc0ebfff700) at pthread_create.c:463
#11 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fc108ff9700 (LWP 2299)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1fd69f08) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1fd69eb8, cond=0x562c1fd69ee0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1fd69ee0, mutex=0x562c1fd69eb8) at pthread_cond_wait.c:655
#3  0x00007fc190f75c95 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f76177 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f76f11 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc108ff9700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fc1097fa700 (LWP 2298)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc1097f9738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc1097f96e8, cond=0x7fc1097f9710) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc1097f9710, mutex=0x7fc1097f96e8) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc190f774d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc19c0ce6db in start_thread (arg=0x7fc1097fa700) at pthread_create.c:463
#11 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fc109ffb700 (LWP 2296)):
#0  __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007fc1a67ef474 in ___fprintf_chk (fp=0x7fc1a6aaa8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7fc187f796a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007fc187f619ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fc187f61b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fc187f6346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fc187f59114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fc190f46ab9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc1907fd978 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc1907fdf2b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fc19c0ce6db in start_thread (arg=0x7fc109ffb700) at pthread_create.c:463
#14 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fc10a7fc700 (LWP 2295)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc10a7fb358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc10a7fb308, cond=0x7fc10a7fb330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc10a7fb330, mutex=0x7fc10a7fb308) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc1907fd8c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc1907fdf1b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc19c0ce6db in start_thread (arg=0x7fc10a7fc700) at pthread_create.c:463
#13 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fc10affd700 (LWP 2294)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc10affc358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc10affc308, cond=0x7fc10affc330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc10affc330, mutex=0x7fc10affc308) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc1907fd818 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc1907fdf0b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc19c0ce6db in start_thread (arg=0x7fc10affd700) at pthread_create.c:463
#13 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fc10b7fe700 (LWP 2293)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc10b7fd358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc10b7fd308, cond=0x7fc10b7fd330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc10b7fd330, mutex=0x7fc10b7fd308) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc1907fd768 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc1907fdefb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc19c0ce6db in start_thread (arg=0x7fc10b7fe700) at pthread_create.c:463
#13 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fc10bfff700 (LWP 2292)):
#0  0x00007fc1a67cd187 in __GI___libc_write (fd=2, buf=0x7fc10bffb6e0, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007fc1a67481bd in _IO_new_file_write (f=0x7fc1a6aa9680 <_IO_2_1_stderr_>, data=0x7fc10bffb6e0, n=39) at fileops.c:1203
#2  0x00007fc1a6748b2f in new_do_write (to_do=<optimized out>, data=0x7fc10bffb6e0 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7fc1a6aa9680 <_IO_2_1_stderr_>) at fileops.c:457
#3  _IO_new_file_xsputn (f=0x7fc1a6aa9680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007fc1a671b707 in buffered_vfprintf (s=s@entry=0x7fc1a6aa9680 <_IO_2_1_stderr_>, format=format@entry=0x7fc187f796a8 "[%s] %s\n", args=args@entry=0x7fc10bffdca0) at vfprintf.c:2350
#5  0x00007fc1a6718726 in _IO_vfprintf_internal (s=s@entry=0x7fc1a6aa9680 <_IO_2_1_stderr_>, format=0x7fc187f796a8 "[%s] %s\n", ap=ap@entry=0x7fc10bffdca0) at vfprintf.c:1301
#6  0x00007fc1a67ef4c6 in ___fprintf_chk (fp=0x7fc1a6aa9680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007fc187f619ad in event_logv_ () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fc187f61b44 in event_warn () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007fc187f6346c in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fc187f59114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fc190f46ab9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fc1907fd6b8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fc1907fdeeb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fc19c0ce6db in start_thread (arg=0x7fc10bfff700) at pthread_create.c:463
#19 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fc120895700 (LWP 2291)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fc120894358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7fc120894308, cond=0x7fc120894330) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7fc120894330, mutex=0x7fc120894308) at pthread_cond_wait.c:655
#3  0x00007fc190f6b999 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f6b9c7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f464db in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc1907fd608 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fc1907fdedb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fc190f77588 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fc19c0ce6db in start_thread (arg=0x7fc120895700) at pthread_create.c:463
#13 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fc121096700 (LWP 2288)):
#0  0x00007fc1a67deb8a in epoll_wait (epfd=31, events=0x7fc10c0020f0, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:28
#1  0x00007fc187f632c5 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007fc187f59114 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fc190f46b0d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fc190f42da8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fc190f5f77b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fc190f774d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fc190f735eb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fc19c0ce6db in start_thread (arg=0x7fc121096700) at pthread_create.c:463
#9  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fc12301c700 (LWP 2274)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1fd3f0f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1fd3f0a0, cond=0x562c1fd3f0c8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1fd3f0c8, mutex=0x562c1fd3f0a0) at pthread_cond_wait.c:655
#3  0x00007fc1a6ee959b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc1a6ee1c0b in QSemaphore::acquire(int) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc1281a280c in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc12301c700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fc128e30700 (LWP 2269)):
#0  0x00007fc1a67d1bf9 in __GI___poll (fds=0x7fc1240049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc19a479439 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc19c0ce6db in start_thread (arg=0x7fc128e30700) at pthread_create.c:463
#8  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fc13a190700 (LWP 2266)):
#0  0x00007ffe22b99979 in ?? ()
#1  0x00007ffe22b99c30 in clock_gettime ()
#2  0x00007fc1a67edea6 in __GI___clock_gettime (clock_id=1, tp=0x7fc13a18f790) at ../sysdeps/unix/clock_gettime.c:115
#3  0x00007fc1a711f221 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc1a711da59 in QTimerInfoList::updateCurrentTime() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc1a711e035 in QTimerInfoList::timerWait(timespec&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a711f67e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc19a478998 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fc19a47936b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fc19c0ce6db in start_thread (arg=0x7fc13a190700) at pthread_create.c:463
#15 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fc13a991700 (LWP 2265)):
#0  0x00007fc1a67cd0b4 in __GI___libc_read (fd=14, buf=0x7fc13a990810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fc19a4bd980 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc19a478f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc19a4793e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc19c0ce6db in start_thread (arg=0x7fc13a991700) at pthread_create.c:463
#10 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fc13b5ef700 (LWP 2246)):
#0  0x00007fc1a67cd0b4 in __GI___libc_read (fd=12, buf=0x7fc13b5ee810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007fc19a4bd980 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc19a478f27 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc19a4793e0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fc19c0ce6db in start_thread (arg=0x7fc13b5ef700) at pthread_create.c:463
#10 0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fc15cb62700 (LWP 2225)):
#0  0x00007fc19a4782cf in g_main_context_acquire () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fc19a4792f5 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc1a711f90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc1a6ee322a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fc1a5717d45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fc19c0ce6db in start_thread (arg=0x7fc15cb62700) at pthread_create.c:463
#9  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fc15d7fa700 (LWP 2224)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f97e0d0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f97e080, cond=0x562c1f97e0a8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f97e0a8, mutex=0x562c1f97e080) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15d7fa700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fc15dffb700 (LWP 2223)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82d338) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82d2e8, cond=0x562c1f82d310) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82d310, mutex=0x562c1f82d2e8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15dffb700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fc15e7fc700 (LWP 2222)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82d338) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82d2e8, cond=0x562c1f82d310) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82d310, mutex=0x562c1f82d2e8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15e7fc700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fc15effd700 (LWP 2221)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82d22c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82d1d8, cond=0x562c1f82d200) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82d200, mutex=0x562c1f82d1d8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15effd700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fc15f7fe700 (LWP 2220)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82d22c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82d1d8, cond=0x562c1f82d200) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82d200, mutex=0x562c1f82d1d8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15f7fe700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fc15ffff700 (LWP 2219)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82d228) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82d1d8, cond=0x562c1f82d200) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82d200, mutex=0x562c1f82d1d8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc15ffff700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fc1648fa700 (LWP 2218)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f700f38) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f700ee8, cond=0x562c1f700f10) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f700f10, mutex=0x562c1f700ee8) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc1648fa700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fc165723700 (LWP 2217)):
#0  0x00007fc19c0d49f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x562c1f82c6b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x562c1f82c660, cond=0x562c1f82c688) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x562c1f82c688, mutex=0x562c1f82c660) at pthread_cond_wait.c:655
#3  0x00007fc16a3a846b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fc16a3a8197 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc165723700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fc1718f0700 (LWP 2216)):
#0  0x00007fc1a67d1bf9 in __GI___poll (fds=0x7fc1718ef928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fc1998a7747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc1998a936a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc1735eb2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fc1a6ee816d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fc19c0ce6db in start_thread (arg=0x7fc1718f0700) at pthread_create.c:463
#6  0x00007fc1a67de88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fc1a9701b80 (LWP 2152)):
[KCrash Handler]
#6  0x00007fc1a7f998a3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7  0x00007fc1a7f954e8 in QMainWindow::statusBar() const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007fc1a8f774b9 in KMMainWin::displayStatusMessage(QString const&) () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#9  0x00007fc1a70f56cf in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fc19d9bcf32 in KPIM::BroadcastStatus::statusMsg(QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Libkdepim.so.5abi2
#11 0x00007fc1a8faa9d4 in KMMainWidget::showMessageActivities(QString const&) () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#12 0x00007fc1a8fae5f1 in KMMainWidget::itemsFetchDone(KJob*) () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#13 0x00007fc1a70f56cf in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007fc1a8570fdc in KJob::result(KJob*, KJob::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#15 0x00007fc1a8571b11 in KJob::finishJob(bool) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#16 0x00007fc1a8571b72 in KJob::kill(KJob::KillVerbosity) () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#17 0x00007fc1a07a2021 in Akonadi::Session::clear() () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5abi1
#18 0x00007fc1a07a20d7 in Akonadi::Session::~Session() () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5abi1
#19 0x00007fc1a07a20f9 in Akonadi::Session::~Session() () from /usr/lib/x86_64-linux-gnu/libKF5AkonadiCore.so.5abi1
#20 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fc1a70fc9cb in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fc1a3560019 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi4
#23 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fc1a7e7ed4c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007fc1a3551879 in MessageViewer::Viewer::~Viewer() () from /usr/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi4
#26 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fc1a7e7ed4c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007fc1a8f7bdf9 in KMReaderWin::~KMReaderWin() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#29 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fc1a7e7ed4c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fc1a7fed639 in QSplitter::~QSplitter() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fc1a7e7ed4c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fc1a7fed639 in QSplitter::~QSplitter() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fc1a8fad1f3 in KMMainWidget::deleteWidgets() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#36 0x00007fc1a8fc6d41 in KMMainWidget::destruct() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#37 0x00007fc1a8fc6f1f in KMMainWidget::~KMMainWidget() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#38 0x00007fc1a8fc70f9 in KMMainWidget::~KMMainWidget() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#39 0x00007fc1a70f319b in QObjectPrivate::deleteChildren() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fc1a7e7ed4c in QWidget::~QWidget() () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007fc1a61cf73d in KMainWindow::~KMainWindow() () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#42 0x00007fc1a8f78d6a in KMMainWin::~KMMainWin() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#43 0x00007fc1a8f78dd9 in KMMainWin::~KMMainWin() () from /usr/lib/x86_64-linux-gnu/libkmailprivate.so.5
#44 0x00007fc1a70f6140 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007fc1a7e83743 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fc1a7f96c4b in QMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007fc1a61d1b87 in KMainWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#48 0x00007fc1a62169e5 in KXmlGuiWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#49 0x00007fc1a7e4482c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007fc1a7e4c0f4 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#51 0x00007fc1a70c69a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007fc1a70c911d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007fc1a71202c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fc19a479287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007fc19a4794c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007fc19a47954c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007fc1a711f8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#58 0x00007fc1a70c49ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#59 0x00007fc1a70cda84 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#60 0x0000562c1f4ab7cd in ?? ()
#61 0x00007fc1a66deb97 in __libc_start_main (main=0x562c1f4aa840, argc=3, argv=0x7ffe22af6028, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe22af6018) at ../csu/libc-start.c:310
#62 0x0000562c1f4ab8fa in _start ()

Possible duplicates by query: bug 395910, bug 388409, bug 387177.

Reported using DrKonqi