[kontact] [Bug 398558] New: Crash when changing between mail folders

Oliver bugzilla_noreply at kde.org
Wed Sep 12 20:54:47 BST 2018 

https://bugs.kde.org/show_bug.cgi?id=398558

            Bug ID: 398558
           Summary: Crash when changing between mail folders
           Product: kontact
           Version: 5.7.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: der_Behr at gmx.de
  Target Milestone: ---

Application: kontact (5.7.3)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 4.15.0-33-generic x86_64
Distribution: Ubuntu 18.04.1 LTS

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

I have an IMAP post box configured in Kontact. When I switch between Inbox,
Sent etc. Kontact randomly crashes. Sometimes it does, sometimes not.

I use Kontact Version 5.7.3 in Kubuntu 18.04.

-- 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 0x7f0cc78bc600 (LWP 15027))]

Thread 30 (Thread 0x7f0b63fff700 (LWP 15141)):
#0  0x00007f0cc425abf9 in __GI___poll (fds=0x7f0b58001cb0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0cbdf66439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0b63fff700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7f0b6d918700 (LWP 15091)):
#0  0x00007f0cbdf66527 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cbffe66db in start_thread (arg=0x7f0b6d918700) at
pthread_create.c:463
#6  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7f0b6e119700 (LWP 15090)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56304523e7ec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56304523e798, cond=0x56304523e7c0) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x56304523e7c0,
mutex=0x56304523e798) at pthread_cond_wait.c:655
#3  0x00007f0cb4fdfc95 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe0177 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fe0f11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0b6e119700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7f0b7944d700 (LWP 15071)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5630456c4100) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5630456c40b0, cond=0x5630456c40d8) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x5630456c40d8,
mutex=0x5630456c40b0) at pthread_cond_wait.c:655
#3  0x00007f0cc4b8a59b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0cc4b82c0b in QSemaphore::acquire(int) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0b7a43b80c in  () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#6  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0b7944d700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7f0b7b143700 (LWP 15069)):
#0  0x00007f0cbffee035 in __GI___pthread_getspecific (key=7) at
pthread_getspecific.c:31
#1  0x00007f0cbdf8e2f0 in g_thread_self () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf6653d in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0b7b143700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7f0b837fe700 (LWP 15061)):
#0  0x00007f0cc4dc0cf2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f0cbdf65e51 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf663e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0cbffe66db in start_thread (arg=0x7f0b837fe700) at
pthread_create.c:463
#9  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7f0b83fff700 (LWP 15060)):
#0  0x00007f0cbdfabcd9 in g_mutex_lock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0cbdf659a3 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf6636b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0cbffe66db in start_thread (arg=0x7f0b83fff700) at
pthread_create.c:463
#9  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7f0b89347700 (LWP 15059)):
#0  0x00007f0cc425abf9 in __GI___poll (fds=0x7f0b84004a10, nfds=1,
timeout=9813) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0cbdf66439 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0b89347700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f0c177fe700 (LWP 15058)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0caedfdfb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0caedfdf68, cond=0x7f0caedfdf90) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0caedfdf90,
mutex=0x7f0caedfdf68) at pthread_cond_wait.c:655
#3  0x00007f0caeb075f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f0caeb07639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f0cbffe66db in start_thread (arg=0x7f0c177fe700) at
pthread_create.c:463
#6  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f0c17fff700 (LWP 15055)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56304523e7ec) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56304523e798, cond=0x56304523e7c0) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x56304523e7c0,
mutex=0x56304523e798) at pthread_cond_wait.c:655
#3  0x00007f0cb4fdfc95 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe0177 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fe0f11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0c17fff700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f0c48ff9700 (LWP 15054)):
#0  0x00007f0cc42766ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0cc4278474 in ___fprintf_chk (fp=0x7f0cc45338b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f0cad70b6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f0cad6f39ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0cad6f3b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0cad6f546c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0cad6eb114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0cb4fb0ab9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cbffe66db in start_thread (arg=0x7f0c48ff9700) at
pthread_create.c:463
#12 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f0c497fa700 (LWP 15053)):
#0  0x00007f0cc42765d0 in pthread_mutex_lock (mutex=0x5630452425f0) at
forward.c:192
#1  0x00007f0c94ec841e in pa_mutex_lock () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f0c9532c45b in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f0c9531de10 in pa_mainloop_poll () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f0c9531e4a0 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f0c9531e530 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f0c9532c399 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f0c94ec92a8 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#8  0x00007f0cbffe66db in start_thread (arg=0x7f0c497fa700) at
pthread_create.c:463
#9  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f0c49ffb700 (LWP 15052)):
#0  0x00007f0cbffeced9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f0c49ffa5d0, expected=0, futex_word=0x7f0c49ffa758) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0cbffeced9 in __pthread_cond_wait_common (abstime=0x7f0c49ffa670,
mutex=0x7f0c49ffa708, cond=0x7f0c49ffa730) at pthread_cond_wait.c:533
#2  0x00007f0cbffeced9 in __pthread_cond_timedwait (cond=0x7f0c49ffa730,
mutex=0x7f0c49ffa708, abstime=0x7f0c49ffa670) at pthread_cond_wait.c:667
#3  0x00007f0cb500e652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd591e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb052b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cbffe66db in start_thread (arg=0x7f0c49ffb700) at
pthread_create.c:463
#11 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f0c4a7fc700 (LWP 15051)):
#0  0x00007f0cbffeced9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f0c4a7fb5d0, expected=0, futex_word=0x7f0c4a7fb758) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0cbffeced9 in __pthread_cond_wait_common (abstime=0x7f0c4a7fb670,
mutex=0x7f0c4a7fb708, cond=0x7f0c4a7fb730) at pthread_cond_wait.c:533
#2  0x00007f0cbffeced9 in __pthread_cond_timedwait (cond=0x7f0c4a7fb730,
mutex=0x7f0c4a7fb708, abstime=0x7f0c4a7fb670) at pthread_cond_wait.c:667
#3  0x00007f0cb500e652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd591e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb052b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cbffe66db in start_thread (arg=0x7f0c4a7fc700) at
pthread_create.c:463
#11 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0c4affd700 (LWP 15050)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56304524d568) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56304524d4a8, cond=0x56304524d540) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x56304524d540,
mutex=0x56304524d4a8) at pthread_cond_wait.c:655
#3  0x00007f0cb5767060 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe0f11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cbffe66db in start_thread (arg=0x7f0c4affd700) at
pthread_create.c:463
#7  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0c4b7fe700 (LWP 15049)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56304523e7e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56304523e798, cond=0x56304523e7c0) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x56304523e7c0,
mutex=0x56304523e798) at pthread_cond_wait.c:655
#3  0x00007f0cb4fdfc95 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe0177 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fe0f11 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0c4b7fe700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f0c4bfff700 (LWP 15048)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0c4bffe738) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0c4bffe6e8, cond=0x7f0c4bffe710) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0c4bffe710,
mutex=0x7f0c4bffe6e8) at pthread_cond_wait.c:655
#3  0x00007f0cb4fd5999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd59c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb04db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cbffe66db in start_thread (arg=0x7f0c4bfff700) at
pthread_create.c:463
#11 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f0c68ff9700 (LWP 15047)):
#0  0x00007f0cc42766ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0cc4278474 in ___fprintf_chk (fp=0x7f0cc45338b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f0cad70b6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f0cad6f39ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0cad6f3b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0cad6f546c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0cad6eb114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0cb4fb0bf3 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4867978 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4867f2b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f0cbffe66db in start_thread (arg=0x7f0c68ff9700) at
pthread_create.c:463
#14 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0c697fa700 (LWP 15046)):
#0  0x00007f0cbffeced9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f0c697f91f0, expected=0, futex_word=0x7f0c697f9378) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0cbffeced9 in __pthread_cond_wait_common (abstime=0x7f0c697f9290,
mutex=0x7f0c697f9328, cond=0x7f0c697f9350) at pthread_cond_wait.c:533
#2  0x00007f0cbffeced9 in __pthread_cond_timedwait (cond=0x7f0c697f9350,
mutex=0x7f0c697f9328, abstime=0x7f0c697f9290) at pthread_cond_wait.c:667
#3  0x00007f0cb500e652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd591e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb052b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb48678c8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4867f1b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0cbffe66db in start_thread (arg=0x7f0c697fa700) at
pthread_create.c:463
#13 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0c69ffb700 (LWP 15045)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0c69ffa358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0c69ffa308, cond=0x7f0c69ffa330) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0c69ffa330,
mutex=0x7f0c69ffa308) at pthread_cond_wait.c:655
#3  0x00007f0cb4fd5999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd59c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb04db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4867818 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4867f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0cbffe66db in start_thread (arg=0x7f0c69ffb700) at
pthread_create.c:463
#13 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0c6a7fc700 (LWP 15044)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0c6a7fb358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0c6a7fb308, cond=0x7f0c6a7fb330) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0c6a7fb330,
mutex=0x7f0c6a7fb308) at pthread_cond_wait.c:655
#3  0x00007f0cb4fd5999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd59c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb04db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4867768 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4867efb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0cbffe66db in start_thread (arg=0x7f0c6a7fc700) at
pthread_create.c:463
#13 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0c6affd700 (LWP 15043)):
#0  0x00007f0cc4267bb7 in epoll_wait (epfd=30, events=0x7f0c540020d0,
maxevents=32, timeout=0) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f0cad6f52c5 in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007f0cad6eb114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0cb4fb0ab9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb48676b8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4867eeb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cbffe66db in start_thread (arg=0x7f0c6affd700) at
pthread_create.c:463
#11 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0c6b7fe700 (LWP 15042)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0c6b7fd358) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0c6b7fd308, cond=0x7f0c6b7fd330) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0c6b7fd330,
mutex=0x7f0c6b7fd308) at pthread_cond_wait.c:655
#3  0x00007f0cb4fd5999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd59c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb04db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4867608 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4867edb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fe1588 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f0cbffe66db in start_thread (arg=0x7f0c6b7fe700) at
pthread_create.c:463
#13 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0c6bfff700 (LWP 15041)):
#0  0x00007f0cbffeced9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f0c6bffe7e0, expected=0, futex_word=0x7f0c6c0046b0) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0cbffeced9 in __pthread_cond_wait_common (abstime=0x7f0c6bffe880,
mutex=0x7f0c6c004660, cond=0x7f0c6c004688) at pthread_cond_wait.c:533
#2  0x00007f0cbffeced9 in __pthread_cond_timedwait (cond=0x7f0c6c004688,
mutex=0x7f0c6c004660, abstime=0x7f0c6bffe880) at pthread_cond_wait.c:667
#3  0x00007f0cb500e652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe4799 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fe4cfb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0c6bfff700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0c8096f700 (LWP 15040)):
#0  0x00007f0cbffeced9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f0c8096e7e0, expected=0, futex_word=0x7f0c6c0046b4) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f0cbffeced9 in __pthread_cond_wait_common (abstime=0x7f0c8096e880,
mutex=0x7f0c6c004660, cond=0x7f0c6c004688) at pthread_cond_wait.c:533
#2  0x00007f0cbffeced9 in __pthread_cond_timedwait (cond=0x7f0c6c004688,
mutex=0x7f0c6c004660, abstime=0x7f0c8096e880) at pthread_cond_wait.c:667
#3  0x00007f0cb500e652 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fe4799 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fe4cfb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cbffe66db in start_thread (arg=0x7f0c8096f700) at
pthread_create.c:463
#8  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0c81170700 (LWP 15039)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f0c8116f738) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f0c8116f6e8, cond=0x7f0c8116f710) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x7f0c8116f710,
mutex=0x7f0c8116f6e8) at pthread_cond_wait.c:655
#3  0x00007f0cb4fd5999 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f0cb4fd59c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f0cb4fb04db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cbffe66db in start_thread (arg=0x7f0c81170700) at
pthread_create.c:463
#11 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0c81971700 (LWP 15038)):
#0  0x00007f0cc42766ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f0cc4278474 in ___fprintf_chk (fp=0x7f0cc45338b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f0cad70b6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f0cad6f39ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f0cad6f3b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f0cad6f546c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f0cad6eb114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f0cb4fb0b0d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f0cb4facda8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f0cb4fc977b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f0cb4fe14d6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f0cb4fdd5eb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f0cbffe66db in start_thread (arg=0x7f0c81971700) at
pthread_create.c:463
#12 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0c83fff700 (LWP 15031)):
#0  0x00007f0cbdfabcf4 in g_mutex_unlock () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f0cbdf65e49 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0cbdf663e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0cc4dc090b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0cc4b8422a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0cc34ced45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f0cc4b8916d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0cbffe66db in start_thread (arg=0x7f0c83fff700) at
pthread_create.c:463
#10 0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0c89307700 (LWP 15030)):
#0  0x00007f0cbffec9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x56304508ecb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f0cbffec9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x56304508ec68, cond=0x56304508ec90) at pthread_cond_wait.c:502
#2  0x00007f0cbffec9f3 in __pthread_cond_wait (cond=0x56304508ec90,
mutex=0x56304508ec68) at pthread_cond_wait.c:655
#3  0x00007f0c8e5b446b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f0c8e5b4197 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f0cbffe66db in start_thread (arg=0x7f0c89307700) at
pthread_create.c:463
#6  0x00007f0cc426788f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0cc78bc600 (LWP 15027)):
[KCrash Handler]
#6  0x00007f0c8e8259b9 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#7  0x00007f0c8e8336ac in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#8  0x00007f0c8e835881 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#9  0x00007f0c8e4bb691 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#10 0x00007f0cbb6aaf88 in QSGBatchRenderer::Renderer::renderBatches() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f0cbb6b085e in QSGBatchRenderer::Renderer::render() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f0cbb6a12a0 in QSGRenderer::renderScene(QSGBindable const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f0cbb6a1787 in QSGRenderer::renderScene(unsigned int) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f0cbb6dbaf0 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f0cbb739b68 in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f0cbb7f31d8 in QQuickRenderControl::render() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f0cbbda5d2e in  () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#18 0x00007f0cbbda5f72 in  () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#19 0x00007f0cc4d970db in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f0cc5b24743 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f0cbbda99eb in QQuickWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#22 0x00007f0cc2bb7b1b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#23 0x00007f0cc5ae582c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f0cc5aed0f4 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f0cc4d679a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f0cc4dbfd8e in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f0cc4dc0551 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f0cbdf66287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f0cbdf664c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f0cbdf6654c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f0cc4dc08ef in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f0cc4d659ea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f0cc4d6ea84 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x000056304406348d in  ()
#35 0x00007f0cc4167b97 in __libc_start_main (main=0x563044062630, argc=1,
argv=0x7ffded64ec78, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffded64ec68) at ../csu/libc-start.c:310
#36 0x0000563044063aea in _start ()

Reported using DrKonqi

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