Bug 394864

Summary:	repeatly crash using contact (kmail)
Product:	[Applications] kontact	Reporter:	Johan van de Sande <johan.vdsande>
Component:	general	Assignee:	kdepim bugs <kdepim-bugs>
Status:	RESOLVED DOWNSTREAM
Severity:	crash	Keywords:	drkonqi
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Johan van de Sande 2018-05-30 14:50:48 UTC

Application: kontact (5.7.3)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-22-generic x86_64
Distribution: Ubuntu 18.04 LTS

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

I was typing a e-mail and i want to copy some things from another email. selecting the text chrashed the whole kontact.

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7e93839b80 (LWP 7126))]

Thread 30 (Thread 0x7f7d2f2de700 (LWP 7198)):
#0  0x00007f7e901ce0b4 in __GI___libc_read (fd=108, buf=0x7f7d2f2dd810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f7e89f21960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edcf27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e89edd3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d2f2de700) at pthread_create.c:463
#10 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f7d305e0700 (LWP 7187)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b2083f48) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b2083ef8, cond=0x5585b2083f20) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b2083f20, mutex=0x5585b2083ef8) at pthread_cond_wait.c:655
#3  0x00007f7e80f56c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f57177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f57f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d305e0700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f7d38cc3700 (LWP 7174)):
#0  0x00007f7e901d2bf9 in __GI___poll (fds=0x7f7d34003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7e89edd439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d38cc3700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f7d4cd72700 (LWP 7163)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b3370040) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b336fff0, cond=0x5585b3370018) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b3370018, mutex=0x5585b336fff0) at pthread_cond_wait.c:655
#3  0x00007f7e90b0259b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7e90afac0b in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7d4dd6080c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d4cd72700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f7d4ffff700 (LWP 7160)):
#0  0x00007f7e901ce0b4 in __GI___libc_read (fd=70, buf=0x7f7d4fffe810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f7e89f21960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edcf27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e89edd3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d4ffff700) at pthread_create.c:463
#10 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f7d54dbc700 (LWP 7159)):
#0  0x00007f7e89f22cd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7e89edd340 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d54dbc700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f7d55c5b700 (LWP 7158)):
#0  0x00007f7e901ce0b4 in __GI___libc_read (fd=67, buf=0x7f7d55c5a810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f7e89f21960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edcf27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e89edd3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f7e8bf5d6db in start_thread (arg=0x7f7d55c5b700) at pthread_create.c:463
#10 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f7de37fe700 (LWP 7157)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e7ad74fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e7ad74f68, cond=0x7f7e7ad74f90) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e7ad74f90, mutex=0x7f7e7ad74f68) at pthread_cond_wait.c:655
#3  0x00007f7e7aa7e5f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f7e7aa7e639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f7e8bf5d6db in start_thread (arg=0x7f7de37fe700) at pthread_create.c:463
#6  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f7de3fff700 (LWP 7154)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b2083f4c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b2083ef8, cond=0x5585b2083f20) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b2083f20, mutex=0x5585b2083ef8) at pthread_cond_wait.c:655
#3  0x00007f7e80f56c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f57177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f57f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7de3fff700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f7e14ff9700 (LWP 7153)):
#0  0x00007f7e901ce187 in __GI___libc_write (fd=2, buf=0x7f7e14ff5ac0, nbytes=48) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f7e901491bd in _IO_new_file_write (f=0x7f7e904aa680 <_IO_2_1_stderr_>, data=0x7f7e14ff5ac0, n=48) at fileops.c:1203
#2  0x00007f7e90149b2f in new_do_write (to_do=<optimized out>, data=0x7f7e14ff5ac0 "[warn] epoll_wait: Ongeldige bestandsdescriptor\n", fp=0x7f7e904aa680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f7e90149b2f in _IO_new_file_xsputn (f=0x7f7e904aa680 <_IO_2_1_stderr_>, data=<optimized out>, n=48) at fileops.c:1277
#4  0x00007f7e9011c707 in buffered_vfprintf (s=s@entry=0x7f7e904aa680 <_IO_2_1_stderr_>, format=format@entry=0x7f7e796826a8 "[%s] %s\n", args=args@entry=0x7f7e14ff8080) at vfprintf.c:2350
#5  0x00007f7e90119726 in _IO_vfprintf_internal (s=s@entry=0x7f7e904aa680 <_IO_2_1_stderr_>, format=0x7f7e796826a8 "[%s] %s\n", ap=ap@entry=0x7f7e14ff8080) at vfprintf.c:1301
#6  0x00007f7e901f04c6 in ___fprintf_chk (fp=0x7f7e904aa680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f7e7966a9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f7e7966ab44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f7e7966c46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f7e79662114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f7e80f27ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e14ff9700) at pthread_create.c:463
#17 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f7e157fa700 (LWP 7152)):
#0  0x00007f7e901d2bf9 in __GI___poll (fds=0x7f7df0007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7e61954451 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f7e61945e10 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f7e619464a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f7e61946530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f7e61954399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f7e614f12a8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e157fa700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f7e15ffb700 (LWP 7151)):
#0  0x00007f7e8bf6710d in __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f7e8bf60098 in __GI___pthread_mutex_lock (mutex=0x7f7e7ed6a320) at ../nptl/pthread_mutex_lock.c:113
#2  0x00007f7e7eb5ede9 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#3  0x00007f7e8415dfdb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e817c2ff5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e8416dda7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e8416ecc8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e840ee08c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e84169662 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e8416971e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f80a83 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f24a00 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e80f26058 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f7e80f263eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f7e80f27491 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e15ffb700) at pthread_create.c:463
#20 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f7e167fc700 (LWP 7150)):
#0  0x00007f7e8bf63ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f7e167fb5d0, expected=0, futex_word=0x7f7e167fb758) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f7e8bf63ed9 in __pthread_cond_wait_common (abstime=0x7f7e167fb670, mutex=0x7f7e167fb708, cond=0x7f7e167fb730) at pthread_cond_wait.c:533
#2  0x00007f7e8bf63ed9 in __pthread_cond_timedwait (cond=0x7f7e167fb730, mutex=0x7f7e167fb708, abstime=0x7f7e167fb670) at pthread_cond_wait.c:667
#3  0x00007f7e80f85652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c91e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f2752b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e167fc700) at pthread_create.c:463
#11 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f7e16ffd700 (LWP 7149)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b2083f4c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b2083ef8, cond=0x5585b2083f20) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b2083f20, mutex=0x5585b2083ef8) at pthread_cond_wait.c:655
#3  0x00007f7e80f56c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f57177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f57f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e16ffd700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f7e177fe700 (LWP 7148)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b2092728) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b2092668, cond=0x5585b2092700) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b2092700, mutex=0x5585b2092668) at pthread_cond_wait.c:655
#3  0x00007f7e816de060 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f57f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e177fe700) at pthread_create.c:463
#7  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f7e17fff700 (LWP 7147)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e17ffe738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e17ffe6e8, cond=0x7f7e17ffe710) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e17ffe710, mutex=0x7f7e17ffe6e8) at pthread_cond_wait.c:655
#3  0x00007f7e80f4c999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f274db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e17fff700) at pthread_create.c:463
#11 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f7e38ff9700 (LWP 7146)):
#0  0x00007f7e901ee6ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7e901f0474 in ___fprintf_chk (fp=0x7f7e904ab8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f7e796826a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f7e7966a9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f7e7966ab44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f7e7966c46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f7e79662114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f7e80f27ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807de978 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e807def2b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e38ff9700) at pthread_create.c:463
#14 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f7e397fa700 (LWP 7145)):
#0  0x00007f7e8bf63ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f7e397f91f0, expected=0, futex_word=0x7f7e397f9378) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f7e8bf63ed9 in __pthread_cond_wait_common (abstime=0x7f7e397f9290, mutex=0x7f7e397f9328, cond=0x7f7e397f9350) at pthread_cond_wait.c:533
#2  0x00007f7e8bf63ed9 in __pthread_cond_timedwait (cond=0x7f7e397f9350, mutex=0x7f7e397f9328, abstime=0x7f7e397f9290) at pthread_cond_wait.c:667
#3  0x00007f7e80f85652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c91e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f2752b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e807de8c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807def1b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e397fa700) at pthread_create.c:463
#13 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f7e39ffb700 (LWP 7144)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e39ffa358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e39ffa308, cond=0x7f7e39ffa330) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e39ffa330, mutex=0x7f7e39ffa308) at pthread_cond_wait.c:655
#3  0x00007f7e80f4c999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f274db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e807de818 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807def0b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e39ffb700) at pthread_create.c:463
#13 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f7e3a7fc700 (LWP 7143)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e3a7fb358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e3a7fb308, cond=0x7f7e3a7fb330) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e3a7fb330, mutex=0x7f7e3a7fb308) at pthread_cond_wait.c:655
#3  0x00007f7e80f4c999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f274db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e807de768 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807deefb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e3a7fc700) at pthread_create.c:463
#13 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f7e3affd700 (LWP 7142)):
#0  0x00007f7e901ee6ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7e901f0474 in ___fprintf_chk (fp=0x7f7e904ab8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f7e796826a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f7e7966a9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f7e7966ab44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f7e7966c46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f7e79662114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f7e80f27b0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807de6b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e807deeeb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e3affd700) at pthread_create.c:463
#14 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f7e3b7fe700 (LWP 7141)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e3b7fd358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e3b7fd308, cond=0x7f7e3b7fd330) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e3b7fd330, mutex=0x7f7e3b7fd308) at pthread_cond_wait.c:655
#3  0x00007f7e80f4c999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f274db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e807de608 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e807deedb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f58588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e3b7fe700) at pthread_create.c:463
#13 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f7e3bfff700 (LWP 7140)):
#0  0x00007f7e8bf63ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f7e3bffe7e0, expected=0, futex_word=0x7f7e400046b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f7e8bf63ed9 in __pthread_cond_wait_common (abstime=0x7f7e3bffe880, mutex=0x7f7e40004660, cond=0x7f7e40004688) at pthread_cond_wait.c:533
#2  0x00007f7e8bf63ed9 in __pthread_cond_timedwait (cond=0x7f7e40004688, mutex=0x7f7e40004660, abstime=0x7f7e3bffe880) at pthread_cond_wait.c:667
#3  0x00007f7e80f85652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f5b799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f5bcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e3bfff700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f7e4cf62700 (LWP 7139)):
#0  0x00007f7e8bf63ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f7e4cf617e0, expected=0, futex_word=0x7f7e400046b4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f7e8bf63ed9 in __pthread_cond_wait_common (abstime=0x7f7e4cf61880, mutex=0x7f7e40004660, cond=0x7f7e40004688) at pthread_cond_wait.c:533
#2  0x00007f7e8bf63ed9 in __pthread_cond_timedwait (cond=0x7f7e40004688, mutex=0x7f7e40004660, abstime=0x7f7e4cf61880) at pthread_cond_wait.c:667
#3  0x00007f7e80f85652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f5b799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f5bcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e4cf62700) at pthread_create.c:463
#8  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f7e4d763700 (LWP 7138)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f7e4d762738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f7e4d7626e8, cond=0x7f7e4d762710) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x7f7e4d762710, mutex=0x7f7e4d7626e8) at pthread_cond_wait.c:655
#3  0x00007f7e80f4c999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f7e80f4c9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f7e80f274db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e4d763700) at pthread_create.c:463
#11 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f7e4e172700 (LWP 7137)):
#0  0x00007f7e901ee6ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f7e901f0474 in ___fprintf_chk (fp=0x7f7e904ab8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f7e796826a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f7e7966a9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f7e7966ab44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f7e7966c46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f7e79662114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f7e80f27b0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f7e80f23da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f7e80f4077b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f7e80f584d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f7e80f545eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f7e8bf5d6db in start_thread (arg=0x7f7e4e172700) at pthread_create.c:463
#12 0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f7e54cde700 (LWP 7130)):
#0  0x00007f7e901d2bf9 in __GI___poll (fds=0x7f7e4801c670, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7e89edd439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7e90d3890b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7e90afc22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f7e8f446d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e54cde700) at pthread_create.c:463
#9  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f7e55976700 (LWP 7129)):
#0  0x00007f7e8bf639f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5585b1f430a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f7e8bf639f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5585b1f43050, cond=0x5585b1f43078) at pthread_cond_wait.c:502
#2  0x00007f7e8bf639f3 in __pthread_cond_wait (cond=0x5585b1f43078, mutex=0x5585b1f43050) at pthread_cond_wait.c:655
#3  0x00007f7e5ac22b7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f7e5ac228a7 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e55976700) at pthread_create.c:463
#6  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f7e64527700 (LWP 7128)):
#0  0x00007f7e901d2bf9 in __GI___poll (fds=0x7f7e64526928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f7e8b99b747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f7e8b99d36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f7e662222a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f7e90b0116d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f7e8bf5d6db in start_thread (arg=0x7f7e64527700) at pthread_create.c:463
#6  0x00007f7e901df88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f7e93839b80 (LWP 7126)):
[KCrash Handler]
#6  0x00007f7e5ae01cd9 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#7  0x00007f7e5ae01ec8 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#8  0x00007f7e5ae9323f in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#9  0x00007f7e5a4cfc06 in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#10 0x00007f7e5a4cfebf in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#11 0x00007f7e5a4d0a50 in nouveau_pushbuf_kick () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#12 0x00007f7e5ae936f6 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#13 0x00007f7e5ab32f01 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#14 0x00007f7e5a990428 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#15 0x00007f7e5ab6345b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#16 0x00007f7e5acc5b76 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#17 0x00007f7e5acc549a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#18 0x00007f7e60522174 in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#19 0x00007f7e7eb5d212 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#20 0x00007f7e7eb5ef82 in  () at /usr/lib/x86_64-linux-gnu/libGLX.so.0
#21 0x00007f7e63b21490 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so
#22 0x00007f7e912dc966 in QOpenGLContext::makeCurrent(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#23 0x00007f7e87d1cceb in  () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#24 0x00007f7e87d1cf72 in  () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#25 0x00007f7e90d0f0db in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f7e91a9c743 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f7e87d209eb in QQuickWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#28 0x00007f7e8eb2fb1b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#29 0x00007f7e91a5d82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f7e91a650f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f7e90cdf9a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f7e90d37d8e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f7e90d38551 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f7e89edd287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f7e89edd4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f7e89edd54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f7e90d388ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f7e90cdd9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f7e90ce6a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00005585b184048d in  ()
#41 0x00007f7e900dfb97 in __libc_start_main (main=0x5585b183f630, argc=1, argv=0x7ffe31d80a38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe31d80a28) at ../csu/libc-start.c:310
#42 0x00005585b1840aea in _start ()

Reported using DrKonqi

Comment 1 Johan van de Sande 2018-06-14 09:49:25 UTC

Application: Kontact (kontact), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0b120d8b80 (LWP 13827))]

Thread 31 (Thread 0x7f09ab217700 (LWP 13939)):
#0  0x00007f0b0a805ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f09ab2167e0, expected=0, futex_word=0x7f0ac00048f4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0b0a805ed9 in __pthread_cond_wait_common (abstime=0x7f09ab216880, mutex=0x7f0ac00048a0, cond=0x7f0ac00048c8) at pthread_cond_wait.c:533
#2  0x00007f0b0a805ed9 in __pthread_cond_timedwait (cond=0x7f0ac00048c8, mutex=0x7f0ac00048a0, abstime=0x7f09ab216880) at pthread_cond_wait.c:667
#3  0x00007f0aff827652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7fd799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7fdcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09ab217700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7f09b1e8a700 (LWP 13899)):
#0  0x00007f0b087c4cd9 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0b0877efc6 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877f4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0b0a7ff6db in start_thread (arg=0x7f09b1e8a700) at pthread_create.c:463
#9  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f09b3183700 (LWP 13889)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db32e2d808) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db32e2d7b8, cond=0x55db32e2d7e0) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db32e2d7e0, mutex=0x55db32e2d7b8) at pthread_cond_wait.c:655
#3  0x00007f0aff7f8c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7f9177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7f9f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09b3183700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f09bb82a700 (LWP 13872)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db332c1b20) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db332c1ad0, cond=0x55db332c1af8) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db332c1af8, mutex=0x55db332c1ad0) at pthread_cond_wait.c:655
#3  0x00007f0b0f3a459b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0b0f39cc0b in QSemaphore::acquire(int) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f09c09f580c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09bb82a700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f09c184c700 (LWP 13870)):
#0  0x00007f0b0ea74bf9 in __GI___poll (fds=0x7f09bc0049b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b0877f439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09c184c700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f09d28fb700 (LWP 13862)):
#0  0x00007f0b0ea74bf9 in __GI___poll (fds=0x7f09c8017680, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b0877f439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09d28fb700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f09d30fc700 (LWP 13861)):
#0  0x00007f0b0ea74bf9 in __GI___poll (fds=0x7f09c4003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b0877f439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f09d30fc700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f09d3f9b700 (LWP 13860)):
#0  0x00007f0b0ea700b4 in __GI___libc_read (fd=88, buf=0x7f09d3f9a810, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0b087c3960 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877ef27 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0877f3e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0b0a7ff6db in start_thread (arg=0x7f09d3f9b700) at pthread_create.c:463
#10 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f0a827fc700 (LWP 13859)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0af9616fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0af9616f68, cond=0x7f0af9616f90) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0af9616f90, mutex=0x7f0af9616f68) at pthread_cond_wait.c:655
#3  0x00007f0af93205f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f0af9320639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f0b0a7ff6db in start_thread (arg=0x7f0a827fc700) at pthread_create.c:463
#6  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f0a82ffd700 (LWP 13858)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db32e2d80c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db32e2d7b8, cond=0x55db32e2d7e0) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db32e2d7e0, mutex=0x55db32e2d7b8) at pthread_cond_wait.c:655
#3  0x00007f0aff7f8c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7f9177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7f9f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f0a82ffd700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f0a837fe700 (LWP 13854)):
#0  0x00007f0b0ea700b4 in __GI___libc_read (fd=61, buf=0x7f0a837fd85e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f0adbb9fff1 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f0ae01e79fe in pa_mainloop_prepare () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f0ae01e8470 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f0ae01e8530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f0ae01f6399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f0adbbcf2a8 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f0a837fe700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f0a83fff700 (LWP 13853)):
#0  0x00007f0b0ea906ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b0ea92474 in ___fprintf_chk (fp=0x7f0b0ed4d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0af7f246a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0af7f0c9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0af7f0cb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0af7f0e46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0af7f04114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0aff7c9ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a83fff700) at pthread_create.c:463
#12 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f0a98ff9700 (LWP 13852)):
[KCrash Handler]
#6  0x00007f0ad95ddcbf in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#7  0x00007f0ad95dddbe in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#8  0x00007f0ad95debf2 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#9  0x00007f0ad9312620 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#10 0x00007f0ad9281c1a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#11 0x00007f0b0012b1e8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b000bdd7c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0b000be18a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f0b000426fc in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f0b02a11258 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f0b0299008c in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f0b02a0b662 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f0b02a0b71e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f0aff822a83 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f0aff7c6a00 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007f0aff7c8058 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007f0aff7c83eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x00007f0aff7c9491 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#24 0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a98ff9700) at pthread_create.c:463
#29 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f0a997fa700 (LWP 13851)):
#0  0x00007f0b0a805ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0a997f95d0, expected=0, futex_word=0x7f0a997f9758) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0b0a805ed9 in __pthread_cond_wait_common (abstime=0x7f0a997f9670, mutex=0x7f0a997f9708, cond=0x7f0a997f9730) at pthread_cond_wait.c:533
#2  0x00007f0b0a805ed9 in __pthread_cond_timedwait (cond=0x7f0a997f9730, mutex=0x7f0a997f9708, abstime=0x7f0a997f9670) at pthread_cond_wait.c:667
#3  0x00007f0aff827652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee91e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c952b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a997fa700) at pthread_create.c:463
#11 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f0a99ffb700 (LWP 13850)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db32e3bfd8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db32e3bf18, cond=0x55db32e3bfb0) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db32e3bfb0, mutex=0x55db32e3bf18) at pthread_cond_wait.c:655
#3  0x00007f0afff80060 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7f9f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0b0a7ff6db in start_thread (arg=0x7f0a99ffb700) at pthread_create.c:463
#7  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0a9a7fc700 (LWP 13849)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db32e2d808) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db32e2d7b8, cond=0x55db32e2d7e0) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db32e2d7e0, mutex=0x55db32e2d7b8) at pthread_cond_wait.c:655
#3  0x00007f0aff7f8c95 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7f9177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7f9f11 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f0a9a7fc700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0a9affd700 (LWP 13848)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0a9affc738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0a9affc6e8, cond=0x7f0a9affc710) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0a9affc710, mutex=0x7f0a9affc6e8) at pthread_cond_wait.c:655
#3  0x00007f0aff7ee999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a9affd700) at pthread_create.c:463
#11 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f0a9b7fe700 (LWP 13847)):
#0  0x00007f0b0ea906ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b0ea92474 in ___fprintf_chk (fp=0x7f0b0ed4d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0af7f246a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0af7f0c9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0af7f0cb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0af7f0e46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0af7f04114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0aff7c9ab9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff080978 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff080f2b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a9b7fe700) at pthread_create.c:463
#14 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f0a9bfff700 (LWP 13846)):
#0  0x00007f0b0a805ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0a9bffe1f0, expected=0, futex_word=0x7f0a9bffe378) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0b0a805ed9 in __pthread_cond_wait_common (abstime=0x7f0a9bffe290, mutex=0x7f0a9bffe328, cond=0x7f0a9bffe350) at pthread_cond_wait.c:533
#2  0x00007f0b0a805ed9 in __pthread_cond_timedwait (cond=0x7f0a9bffe350, mutex=0x7f0a9bffe328, abstime=0x7f0a9bffe290) at pthread_cond_wait.c:667
#3  0x00007f0aff827652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee91e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c952b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff0808c8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff080f1b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b0a7ff6db in start_thread (arg=0x7f0a9bfff700) at pthread_create.c:463
#13 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0ab8ff9700 (LWP 13845)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0ab8ff8358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0ab8ff8308, cond=0x7f0ab8ff8330) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0ab8ff8330, mutex=0x7f0ab8ff8308) at pthread_cond_wait.c:655
#3  0x00007f0aff7ee999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff080818 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff080f0b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b0a7ff6db in start_thread (arg=0x7f0ab8ff9700) at pthread_create.c:463
#13 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0ab97fa700 (LWP 13844)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0ab97f9358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0ab97f9308, cond=0x7f0ab97f9330) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0ab97f9330, mutex=0x7f0ab97f9308) at pthread_cond_wait.c:655
#3  0x00007f0aff7ee999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff080768 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff080efb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b0a7ff6db in start_thread (arg=0x7f0ab97fa700) at pthread_create.c:463
#13 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0ab9ffb700 (LWP 13843)):
#0  0x00007f0b0ea906ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0b0ea92474 in ___fprintf_chk (fp=0x7f0b0ed4d8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7f0af7f246a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007f0af7f0c9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0af7f0cb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0af7f0e46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0af7f04114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0aff7c9b0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff0806b8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff080eeb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0b0a7ff6db in start_thread (arg=0x7f0ab9ffb700) at pthread_create.c:463
#14 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0aba7fc700 (LWP 13842)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0aba7fb358) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0aba7fb308, cond=0x7f0aba7fb330) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0aba7fb330, mutex=0x7f0aba7fb308) at pthread_cond_wait.c:655
#3  0x00007f0aff7ee999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff080608 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff080edb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7fa588 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0b0a7ff6db in start_thread (arg=0x7f0aba7fc700) at pthread_create.c:463
#13 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0abaffd700 (LWP 13841)):
#0  0x00007f0b0a805ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0abaffc7e0, expected=0, futex_word=0x7f0ac00048f4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0b0a805ed9 in __pthread_cond_wait_common (abstime=0x7f0abaffc880, mutex=0x7f0ac00048a0, cond=0x7f0ac00048c8) at pthread_cond_wait.c:533
#2  0x00007f0b0a805ed9 in __pthread_cond_timedwait (cond=0x7f0ac00048c8, mutex=0x7f0ac00048a0, abstime=0x7f0abaffc880) at pthread_cond_wait.c:667
#3  0x00007f0aff827652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7fd799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7fdcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f0abaffd700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0abb7fe700 (LWP 13840)):
#0  0x00007f0b0a805ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f0abb7fd7e0, expected=0, futex_word=0x7f0ac00048f4) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0b0a805ed9 in __pthread_cond_wait_common (abstime=0x7f0abb7fd880, mutex=0x7f0ac00048a0, cond=0x7f0ac00048c8) at pthread_cond_wait.c:533
#2  0x00007f0b0a805ed9 in __pthread_cond_timedwait (cond=0x7f0ac00048c8, mutex=0x7f0ac00048a0, abstime=0x7f0abb7fd880) at pthread_cond_wait.c:667
#3  0x00007f0aff827652 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7fd799 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7fdcfb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0b0a7ff6db in start_thread (arg=0x7f0abb7fe700) at pthread_create.c:463
#8  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0abbfff700 (LWP 13839)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f0abbffe738) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f0abbffe6e8, cond=0x7f0abbffe710) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x7f0abbffe710, mutex=0x7f0abbffe6e8) at pthread_cond_wait.c:655
#3  0x00007f0aff7ee999 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0aff7ee9c7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0aff7c94db in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0b0a7ff6db in start_thread (arg=0x7f0abbfff700) at pthread_create.c:463
#11 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0ad0b24700 (LWP 13838)):
#0  0x00007f0b0e9ee532 in __GI__IO_default_xsputn (f=0x7f0ad0b209c0, data=<optimized out>, n=4) at genops.c:412
#1  0x00007f0b0e9bcfeb in _IO_vfprintf_internal (s=0x7f0ad0b209c0, format=0x7f0af7f246a8 "[%s] %s\n", ap=0x7f0ad0b23080) at vfprintf.c:1643
#2  0x00007f0b0e9be680 in buffered_vfprintf (s=s@entry=0x7f0b0ed4c680 <_IO_2_1_stderr_>, format=format@entry=0x7f0af7f246a8 "[%s] %s\n", args=args@entry=0x7f0ad0b23080) at vfprintf.c:2329
#3  0x00007f0b0e9bb726 in _IO_vfprintf_internal (s=s@entry=0x7f0b0ed4c680 <_IO_2_1_stderr_>, format=0x7f0af7f246a8 "[%s] %s\n", ap=ap@entry=0x7f0ad0b23080) at vfprintf.c:1301
#4  0x00007f0b0ea924c6 in ___fprintf_chk (fp=0x7f0b0ed4c680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#5  0x00007f0af7f0c9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0af7f0cb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f0af7f0e46c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f0af7f04114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f0aff7c9b0d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0aff7c5da8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0aff7e277b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0aff7fa4d6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0aff7f65eb in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f0b0a7ff6db in start_thread (arg=0x7f0ad0b24700) at pthread_create.c:463
#15 0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0ad34ba700 (LWP 13831)):
#0  0x00007f0b0ea74bf9 in __GI___poll (fds=0x7f0ac401b890, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b0877f439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0b0f5da90b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0f39e22a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0b0dce8d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0b0a7ff6db in start_thread (arg=0x7f0ad34ba700) at pthread_create.c:463
#9  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0ad4152700 (LWP 13830)):
#0  0x00007f0b0a8059f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55db32cecb60) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0b0a8059f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55db32cecb10, cond=0x55db32cecb38) at pthread_cond_wait.c:502
#2  0x00007f0b0a8059f3 in __pthread_cond_wait (cond=0x55db32cecb38, mutex=0x55db32cecb10) at pthread_cond_wait.c:655
#3  0x00007f0ad93feb7b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f0ad93fe8a7 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f0b0a7ff6db in start_thread (arg=0x7f0ad4152700) at pthread_create.c:463
#6  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0ae2dc9700 (LWP 13829)):
#0  0x00007f0b0ea74bf9 in __GI___poll (fds=0x7f0ae2dc8928, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0b0a23d747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0b0a23f36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0ae4ac42a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0b0f3a316d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b0a7ff6db in start_thread (arg=0x7f0ae2dc9700) at pthread_create.c:463
#6  0x00007f0b0ea8188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0b120d8b80 (LWP 13827)):
#0  0x00007f0ad96701d8 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#1  0x00007f0ad967deac in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#2  0x00007f0ad96889fe in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#3  0x00007f0ad931b82f in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f0ad92df99b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f0ad92dfc98 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#6  0x00007f0b0fe98163 in QOpenGLTextureBlitter::blit(unsigned int, QMatrix4x4 const&, QGenericMatrix<3, 3, float> const&) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f0b0fe31acb in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, QOpenGLContext*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f0ae4ae3df7 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9  0x00007f0b1030c067 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f0b1030d7e2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f0b1030e78f in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f0b1030f095 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f0b1032666f in QWidgetPrivate::syncBackingStore() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f0b1033e1a8 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f0b10451c4b in QMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f0b11445b87 in KMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#17 0x00007f0b1148a9e5 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#18 0x00007f0b102ff82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f0b103070f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f0b0f5819a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f0b0f58411d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f0b0f5db2c3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f0b0877f287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f0b0877f4c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f0b0877f54c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f0b0f5da8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f0b0f57f9ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f0b0f588a84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x000055db30a6148d in  ()
#30 0x00007f0b0e981b97 in __libc_start_main (main=0x55db30a60630, argc=1, argv=0x7ffc9c81baa8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc9c81ba98) at ../csu/libc-start.c:310
#31 0x000055db30a61aea in _start ()

Comment 2 Christoph Feck 2018-06-14 10:21:40 UTC

Crash is in the nouveau OpenGL driver, not correctly handling OpenGL calls from multiple threads. Please inform your distribution that there are existing patches that disable OpenGL for QtWebEngine when using the nouveau driver.