Bug 405695 - Crash while opening Kontact Settings
Summary: Crash while opening Kontact Settings
Status: RESOLVED DUPLICATE of bug 405440
Alias: None
Product: kontact
Classification: Applications
Component: general (show other bugs)
Version: 5.10.3
Platform: Ubuntu Linux
: NOR crash
Target Milestone: ---
Assignee: kdepim bugs
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2019-03-20 17:03 UTC by Erich Eickmeyer
Modified: 2019-03-20 17:09 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:


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Description Erich Eickmeyer 2019-03-20 17:03:11 UTC
Application: kontact (5.10.3)

Qt Version: 5.11.3
Frameworks Version: 5.56.0
Operating System: Linux 5.0.0-7-generic x86_64
Distribution: Ubuntu Disco Dingo (development branch)

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

Attempting to open Kontact settings (Settings > Configure Kontact)

Reproducible every time.

Ubuntu 19.04 Disco Dingo (pre-release)

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 0x7fbdf24f8f40 (LWP 8505))]

Thread 52 (Thread 0x7fbd8e7fc700 (LWP 23596)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbd8e7fb3c0, expected=0, futex_word=0x7fbd8e7fb5a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbd8e7fb460, mutex=0x7fbd8e7fb558, cond=0x7fbd8e7fb580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbd8e7fb580, mutex=0x7fbd8e7fb558, abstime=0x7fbd8e7fb460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97c8f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 51 (Thread 0x7fbca7dd2700 (LWP 23595)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbca7dd13c0, expected=0, futex_word=0x7fbca7dd15a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbca7dd1460, mutex=0x7fbca7dd1558, cond=0x7fbca7dd1580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbca7dd1580, mutex=0x7fbca7dd1558, abstime=0x7fbca7dd1460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 50 (Thread 0x7fbc9e10f700 (LWP 18686)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbc9e10e3c0, expected=0, futex_word=0x7fbc9e10e5a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbc9e10e460, mutex=0x7fbc9e10e558, cond=0x7fbc9e10e580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbc9e10e580, mutex=0x7fbc9e10e558, abstime=0x7fbc9e10e460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 49 (Thread 0x7fbc9e910700 (LWP 9509)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbc9e90f3c0, expected=0, futex_word=0x7fbc9e90f5a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbc9e90f460, mutex=0x7fbc9e90f558, cond=0x7fbc9e90f580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbc9e90f580, mutex=0x7fbc9e90f558, abstime=0x7fbc9e90f460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 48 (Thread 0x7fbd8effd700 (LWP 9016)):
#0  0x00007fff22bce637 in  ()
#1  0x00007fbdf34b7bc6 in __GI___clock_gettime (clock_id=1, tp=0x7fbd8effc3a0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007fbdf3a3f971 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fbdf3a3e1a9 in QTimerInfoList::updateCurrentTime() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf3a3e7a5 in QTimerInfoList::timerWait(timespec&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf3a3fdce in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf19211e9 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fbdf1921beb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#14 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 47 (Thread 0x7fbca2b72700 (LWP 8729)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f5fed108) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f5fed0b8, cond=0x55b0f5fed0e0) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f5fed0e0, mutex=0x55b0f5fed0b8) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 46 (Thread 0x7fbca3579700 (LWP 8727)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f5d8f348) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f5d8f2f8, cond=0x55b0f5d8f320) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f5d8f320, mutex=0x55b0f5d8f2f8) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 45 (Thread 0x7fbca3d7a700 (LWP 8724)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f5c93e28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f5c93dd8, cond=0x55b0f5c93e00) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f5c93e00, mutex=0x55b0f5c93dd8) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 44 (Thread 0x7fbca6949700 (LWP 8663)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4ca98ba8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4ca98b58, cond=0x7fbd4ca98b80) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4ca98b80, mutex=0x7fbd4ca98b58) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 43 (Thread 0x7fbca714a700 (LWP 8662)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4c94da38) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4c94d9e8, cond=0x7fbd4c94da10) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4c94da10, mutex=0x7fbd4c94d9e8) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 42 (Thread 0x7fbca92d8700 (LWP 8658)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4c6ba5a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4c6ba558, cond=0x7fbd4c6ba580) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4c6ba580, mutex=0x7fbd4c6ba558) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 41 (Thread 0x7fbca9ad9700 (LWP 8657)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4c56c5cc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4c56c578, cond=0x7fbd4c56c5a0) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4c56c5a0, mutex=0x7fbd4c56c578) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fbcaacf0700 (LWP 8656)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4c41ec68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4c41ec18, cond=0x7fbd4c41ec40) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4c41ec40, mutex=0x7fbd4c41ec18) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fbcab4f1700 (LWP 8654)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd4c007948) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd4c0078f8, cond=0x7fbd4c007920) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd4c007920, mutex=0x7fbd4c0078f8) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fbcacc72700 (LWP 8605)):
#0  0x00007fbdf349cba9 in __GI___poll (fds=0x7fbd880047e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbdf1921cb6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fbcade89700 (LWP 8602)):
#0  0x00007fbdf3498404 in __GI___libc_read (nbytes=16, buf=0x7fbcade88440, fd=117) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fbdf3498404 in __GI___libc_read (fd=117, buf=0x7fbcade88440, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fbdf1968550 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf192178f in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbdf1921c60 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fbcae68a700 (LWP 8596)):
#0  0x00007fbdf196c949 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbdf19211f5 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921beb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 35 (Thread 0x7fbcaf50a700 (LWP 8576)):
#0  0x00007fbdf34a2769 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fbdf383ad14 in QSemaphore::acquire(int) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbcafb57a2c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#3  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#5  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fbcb0452700 (LWP 8573)):
#0  0x00007fbdf192123d in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbdf1921beb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 33 (Thread 0x7fbcb0d81700 (LWP 8565)):
#0  0x00007fbdf349cba9 in __GI___poll (fds=0x55b0f617d0c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbdf1921cb6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fbcb1582700 (LWP 8564)):
#0  0x00007fbdf349cba9 in __GI___poll (fds=0x7fbd74003de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbdf1921cb6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fbcb1e02700 (LWP 8563)):
#0  0x00007fbdf196c964 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbdf1921c76 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fbd49999700 (LWP 8547)):
#0  0x00007fbdf3416492 in __vsnprintf_internal (string=0x7fbd49997f70 "epoll_wait: Bad file descriptor", maxlen=1024, format=0x7fbde76ba819 "epoll_wait", args=0x7fbd499983a0, mode_flags=2) at vsnprintf.c:95
#1  0x00007fbde769f3b3 in evutil_vsnprintf () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#2  0x00007fbde76a28c5 in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007fbde76a2b44 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007fbde76a446c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fbde769a114 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fbdebf64789 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fbd4affd700 (LWP 8545)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbde7e17fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbde7e17f68, cond=0x7fbde7e17f90) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbde7e17f90, mutex=0x7fbde7e17f68) at pthread_cond_wait.c:655
#3  0x00007fbde7d20e4a in  () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007fbde7d20e69 in  () at /lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fbd4b7fe700 (LWP 8543)):
#0  0x00007fbdb804597e in pa_fdsem_before_poll () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#1  0x00007fbdb805d647 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#2  0x00007fbdb80bf558 in pa_mainloop_dispatch () at /lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fbdb80bf82c in pa_mainloop_iterate () at /lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fbdb80bf8d0 in pa_mainloop_run () at /lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fbdb80cd8e9 in  () at /lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fbdb806d728 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-12.2.so
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fbd4bfff700 (LWP 8542)):
#0  0x00007fbdf34b727c in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fbdf3404ef0 in buffered_vfprintf (s=s@entry=0x7fbdf3570680 <_IO_2_1_stderr_>, format=format@entry=0x7fbde76ba6a8 "[%s] %s\n", args=args@entry=0x7fbd4bffde90, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fbdf3402260 in __vfprintf_internal (s=0x7fbdf3570680 <_IO_2_1_stderr_>, format=0x7fbde76ba6a8 "[%s] %s\n", ap=ap@entry=0x7fbd4bffde90, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fbdf34b8ebe in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fbde76a29ad in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fbde76a2b44 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fbde76a446c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007fbde769a114 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fbdebf647dd in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fbd68ff9700 (LWP 8541)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbd68ff8380, expected=0, futex_word=0x7fbd68ff8568) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbd68ff8420, mutex=0x7fbd68ff8518, cond=0x7fbd68ff8540) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbd68ff8540, mutex=0x7fbd68ff8518, abstime=0x7fbd68ff8420) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf64380 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fbd697fa700 (LWP 8540)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f25580c8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f2558008, cond=0x55b0f25580a0) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f25580a0, mutex=0x55b0f2558008) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdec8f5008 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebfa7d96 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#8  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fbd69ffb700 (LWP 8539)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbd69ffa380, expected=0, futex_word=0x7fbd69ffa568) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbd69ffa420, mutex=0x7fbd69ffa518, cond=0x7fbd69ffa540) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbd69ffa540, mutex=0x7fbd69ffa518, abstime=0x7fbd69ffa420) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf64380 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fbd6a7fc700 (LWP 8538)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd6a7fb5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd6a7fb568, cond=0x7fbd6a7fb590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd6a7fb590, mutex=0x7fbd6a7fb568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fbd6affd700 (LWP 8537)):
#0  0x00007fbdf34b727c in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fbdf3404ef0 in buffered_vfprintf (s=s@entry=0x7fbdf3570680 <_IO_2_1_stderr_>, format=format@entry=0x7fbde76ba6a8 "[%s] %s\n", args=args@entry=0x7fbd6affbac0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fbdf3402260 in __vfprintf_internal (s=0x7fbdf3570680 <_IO_2_1_stderr_>, format=0x7fbde76ba6a8 "[%s] %s\n", ap=ap@entry=0x7fbd6affbac0, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fbdf34b8ebe in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fbde76a29ad in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fbde76a2b44 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fbde76a446c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007fbde769a114 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fbdebf648c4 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fbdeb094f6a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fbdeb095417 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fbdebfa5348 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#15 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fbd6b7fe700 (LWP 8536)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd6b7fd5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd6b7fd568, cond=0x7fbd6b7fd590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd6b7fd590, mutex=0x7fbd6b7fd568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97c8f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fbd6bfff700 (LWP 8535)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd6bffe5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd6bffe568, cond=0x7fbd6bffe590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd6bffe590, mutex=0x7fbd6bffe568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fbd8cff9700 (LWP 8534)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd8cff85b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd8cff8568, cond=0x7fbd8cff8590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd8cff8590, mutex=0x7fbd8cff8568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97c8f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fbd8d7fa700 (LWP 8533)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd8d7f95b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd8d7f9568, cond=0x7fbd8d7f9590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd8d7f9590, mutex=0x7fbd8d7f9568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97c8f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fbd8dffb700 (LWP 8532)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbd8dffa5b8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbd8dffa568, cond=0x7fbd8dffa590) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbd8dffa590, mutex=0x7fbd8dffa568) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf969a8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97c8f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fbd8ffff700 (LWP 8528)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbd8fffe3c0, expected=0, futex_word=0x7fbd8fffe5a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbd8fffe460, mutex=0x7fbd8fffe558, cond=0x7fbd8fffe580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbd8fffe580, mutex=0x7fbd8fffe558, abstime=0x7fbd8fffe460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fbda97fa700 (LWP 8526)):
#0  0x00007fbdf229a916 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fbda97f93c0, expected=0, futex_word=0x7fbda97f95a8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fbdf229a916 in __pthread_cond_wait_common (abstime=0x7fbda97f9460, mutex=0x7fbda97f9558, cond=0x7fbda97f9580) at pthread_cond_wait.c:533
#2  0x00007fbdf229a916 in __pthread_cond_timedwait (cond=0x7fbda97f9580, mutex=0x7fbda97f9558, abstime=0x7fbda97f9460) at pthread_cond_wait.c:667
#3  0x00007fbdebf8fa47 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf9231a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf92402 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf96991 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf97e71 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fbda9ffb700 (LWP 8525)):
#0  0x00007fbdf34984a7 in __GI___libc_write (nbytes=39, buf=0x7fbda9ff78d0, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  0x00007fbdf34984a7 in __GI___libc_write (fd=2, buf=0x7fbda9ff78d0, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007fbdf341958d in _IO_new_file_write (f=0x7fbdf3570680 <_IO_2_1_stderr_>, data=0x7fbda9ff78d0, n=39) at fileops.c:1183
#3  0x00007fbdf3419d3f in new_do_write (to_do=<optimized out>, data=0x7fbda9ff78d0 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7fbdf3570680 <_IO_2_1_stderr_>) at libioP.h:904
#4  0x00007fbdf3419d3f in _IO_new_file_xsputn (n=39, data=<optimized out>, f=0x7fbdf3570680 <_IO_2_1_stderr_>) at fileops.c:1262
#5  0x00007fbdf3419d3f in _IO_new_file_xsputn (f=0x7fbdf3570680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1204
#6  0x00007fbdf3404f4b in buffered_vfprintf (s=s@entry=0x7fbdf3570680 <_IO_2_1_stderr_>, format=format@entry=0x7fbde76ba6a8 "[%s] %s\n", args=args@entry=0x7fbda9ff9e90, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:904
#7  0x00007fbdf3402260 in __vfprintf_internal (s=0x7fbdf3570680 <_IO_2_1_stderr_>, format=0x7fbde76ba6a8 "[%s] %s\n", ap=ap@entry=0x7fbda9ff9e90, mode_flags=2) at vfprintf-internal.c:1303
#8  0x00007fbdf34b8ebe in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007fbde76a29ad in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007fbde76a2b44 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007fbde76a446c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#12 0x00007fbde769a114 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#13 0x00007fbdebf648c4 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#18 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fbdaa7fc700 (LWP 8524)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fbdaa7fb548) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x7fbdaa7fb4f8, cond=0x7fbdaa7fb520) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x7fbdaa7fb520, mutex=0x7fbdaa7fb4f8) at pthread_cond_wait.c:655
#3  0x00007fbdebf8f979 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fbdebf92328 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fbdebf923bf in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fbdebf6436f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#11 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fbdaaffd700 (LWP 8523)):
#0  0x00007fbdf34b727c in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007fbdf3404ef0 in buffered_vfprintf (s=s@entry=0x7fbdf3570680 <_IO_2_1_stderr_>, format=format@entry=0x7fbde76ba6a8 "[%s] %s\n", args=args@entry=0x7fbdaaffbe90, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2334
#2  0x00007fbdf3402260 in __vfprintf_internal (s=0x7fbdf3570680 <_IO_2_1_stderr_>, format=0x7fbde76ba6a8 "[%s] %s\n", ap=ap@entry=0x7fbdaaffbe90, mode_flags=2) at vfprintf-internal.c:1303
#3  0x00007fbdf34b8ebe in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fbde76a29ad in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007fbde76a2b44 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007fbde76a446c in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007fbde769a114 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007fbdebf647dd in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fbdebf83c9b in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fbdebfa5214 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fbdebfa0c91 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#13 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fbdb9b92700 (LWP 8516)):
#0  0x00007fbdf196c964 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbdf1921689 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbdf1921c60 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbdf3a4004b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbdf383c0d6 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbdf2e89545 in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#10 0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fbdbb5fe700 (LWP 8515)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f2219478) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f2219428, cond=0x55b0f2219450) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f2219450, mutex=0x55b0f2219428) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fbdbbfff700 (LWP 8514)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e428c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e42870, cond=0x55b0f1e42898) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e42898, mutex=0x55b0f1e42870) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fbdd0a6e700 (LWP 8513)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e428c0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e42870, cond=0x55b0f1e42898) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e42898, mutex=0x55b0f1e42870) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fbdd126f700 (LWP 8512)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e42340) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e422f0, cond=0x55b0f1e42318) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e42318, mutex=0x55b0f1e422f0) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fbdd1a70700 (LWP 8511)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e42344) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e422f0, cond=0x55b0f1e42318) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e42318, mutex=0x55b0f1e422f0) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fbdd2271700 (LWP 8510)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e42344) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e422f0, cond=0x55b0f1e42318) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e42318, mutex=0x55b0f1e422f0) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fbdd2a72700 (LWP 8509)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1da46d8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1da4688, cond=0x55b0f1da46b0) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1da46b0, mutex=0x55b0f1da4688) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fbdd33ba700 (LWP 8508)):
#0  0x00007fbdf229a3bb in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55b0f1e3ec94) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fbdf229a3bb in __pthread_cond_wait_common (abstime=0x0, mutex=0x55b0f1e3ec40, cond=0x55b0f1e3ec68) at pthread_cond_wait.c:502
#2  0x00007fbdf229a3bb in __pthread_cond_wait (cond=0x55b0f1e3ec68, mutex=0x55b0f1e3ec40) at pthread_cond_wait.c:655
#3  0x00007fbdd776f84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fbdd776f5b7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fbddd462700 (LWP 8507)):
#0  0x00007fbdf349cba9 in __GI___poll (fds=0x7fbddd461578, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fbdf24d6917 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fbdf24d853a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fbdddd9a519 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fbdf3845c77 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbdf2294182 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007fbdf34a8faf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fbdf24f8f40 (LWP 8505)):
[KCrash Handler]
#6  0x00007fbdf2e41126 in KCModuleProxy::realModule() const () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#7  0x00007fbdf2e3ea5d in  () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#8  0x00007fbdf2e3f4a7 in  () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#9  0x00007fbdf3a175c6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbdf2bbf0cb in KPageDialog::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#11 0x00007fbdf3a17703 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fbdf2bac65b in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#13 0x00007fbdf2bac818 in  () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#14 0x00007fbdf3a175c6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fbdf2ba6e47 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#16 0x00007fbdf2ba822e in  () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#17 0x00007fbdf3a175c6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fbdf39afd38 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fbdf39b5894 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fbdf39b8d33 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fbdf39b283c in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fbdf39b010c in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fbdf2ba72d7 in  () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#24 0x00007fbdf2ba8042 in  () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#25 0x00007fbdf3a175c6 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fbdf39a25c6 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fbdf2bae28b in KPageWidgetModel::addPage(KPageWidgetItem*) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#28 0x00007fbdf2e5b752 in  () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#29 0x00007fbdf2e5ba7a in  () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#30 0x00007fbdf2e5c00d in  () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#31 0x00007fbdf2e5d6f2 in KSettings::Dialog::showEvent(QShowEvent*) () at /lib/x86_64-linux-gnu/libKF5KCMUtils.so.5
#32 0x00007fbdf43a8748 in QWidget::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fbdf436a491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fbdf4371ac0 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fbdf39ee479 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fbdf43a5188 in QWidgetPrivate::show_helper() () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fbdf43a82eb in QWidget::setVisible(bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007fbdf4555aea in QDialog::setVisible(bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#39 0x00007fbdf4bba734 in Kontact::MainWindow::slotPreferences() () at /lib/x86_64-linux-gnu/libkontactprivate.so.5
#40 0x00007fbdf3a17703 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fbdf4363ee2 in QAction::triggered(bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007fbdf43664f0 in QAction::activate(QAction::ActionEvent) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fbdf3a17e52 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fbdf4366d72 in QAction::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#45 0x00007fbdf436a491 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#46 0x00007fbdf4371ac0 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#47 0x00007fbdf39ee479 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007fbdf39f146b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#49 0x00007fbdf3a40a03 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#50 0x00007fbdf1921aae in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fbdf1921d48 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fbdf1921ddc in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007fbdf3a40033 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fbddde2d8d1 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#55 0x00007fbdf39ed14b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007fbdf39f52b2 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#57 0x000055b0f037c738 in  ()
#58 0x00007fbdf33b1b6b in __libc_start_main (main=0x55b0f037bba0, argc=1, argv=0x7fff22b9c7d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff22b9c7c8) at ../csu/libc-start.c:308
#59 0x000055b0f037ce4a in _start ()
[Inferior 1 (process 8505) detached]

Reported using DrKonqi
Comment 1 Wolfgang Bauer 2019-03-20 17:09:37 UTC
Bug in kcmutils 5.56.0 that got fixed today.

*** This bug has been marked as a duplicate of bug 405440 ***