[kde] [Bug 397477] New: Plasma crash when external display pluged in via DP under Wayland

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Wed Aug 15 10:18:55 BST 2018 

https://bugs.kde.org/show_bug.cgi?id=397477

            Bug ID: 397477
           Summary: Plasma crash when external display pluged in via DP
                    under Wayland
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: kitteboss at gmail.com
  Target Milestone: ---

Application: plasmashell (5.13.4)

Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.18.0-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:
I pluged in the external monitor to the DP interface while running KDE Plasma
under Wayland

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1c3873bcc0 (LWP 4059))]

Thread 20 (Thread 0x7f1b31a8d700 (LWP 13629)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1c4739942d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f1c4739969c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f1b32ffd700 (LWP 4529)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f1b337fe700 (LWP 4528)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f1b33fff700 (LWP 4527)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f1b4c816700 (LWP 4526)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f1b4d017700 (LWP 4525)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#11 0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f1b4d818700 (LWP 4523)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f1b4e019700 (LWP 4522)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f1b4e81a700 (LWP 4520)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1b93de5139 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007f1b93de9009 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007f1b93de9062 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007f1b93de41fd in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007f1b93de7059 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f1b824f3700 (LWP 4519)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1c4739942d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f1c4739969c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f1b81cf2700 (LWP 4501)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1c4739942d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f1c4739969c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f1b80acb700 (LWP 4263)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1c4739942d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f1c4739969c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f1b812de700 (LWP 4262)):
#0  0x00007f1c43879bb1 in poll () at /usr/lib/libc.so.6
#1  0x00007f1c3c74a673 in  () at /usr/lib/libpulse.so.0
#2  0x00007f1c3c73b990 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007f1c3c73bfe0 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007f1c3c73c091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007f1c3c74a5ae in  () at /usr/lib/libpulse.so.0
#6  0x00007f1c399ae9fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#7  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f1b83d17700 (LWP 4163)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c43ba07bc in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007f1c4739942d in  () at /usr/lib/libQt5Quick.so.5
#3  0x00007f1c4739969c in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f1b9ac36700 (LWP 4143)):
#0  0x00007f1c43879bb1 in poll () at /usr/lib/libc.so.6
#1  0x00007f1c3eb90523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1c3eb9063e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1c43da14c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f1c43d4cdac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f1c43b95f59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1c4731823b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f1ba64b1700 (LWP 4141)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1ba70d93e4 in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f1ba70d90e8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f1c2d9c6700 (LWP 4140)):
#0  0x00007f1c43330afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1c49268aac in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f1c49268ac9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f1c2ffff700 (LWP 4114)):
#0  0x00007f1c3ebd72f4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f1c3eb90649 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f1c43da14c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f1c43d4cdac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4  0x00007f1c43b95f59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f1c46e9b9c9 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1c35cce700 (LWP 4096)):
#0  0x00007f1c43879bb1 in poll () at /usr/lib/libc.so.6
#1  0x00007f1c3eb90523 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1c3eb9063e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1c43da14c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f1c43d4cdac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f1c43b95f59 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1c45aaaba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f1c43ba0005 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f1c4332aa9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1c43884a43 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1c3873bcc0 (LWP 4059)):
[KCrash Handler]
#6  0x00007f1c4411f990 in QScreen::refreshRate() const () at
/usr/lib/libQt5Gui.so.5
#7  0x00007f1c47394d6d in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f1c47394f5f in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007f1c43d77f5c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#10 0x00007f1c43b7929d in QUnifiedTimer::startAnimationDriver() () at
/usr/lib/libQt5Core.so.5
#11 0x00007f1c43b7bad2 in QUnifiedTimer::startTimers() () at
/usr/lib/libQt5Core.so.5
#12 0x00007f1c43d78832 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#13 0x00007f1c44f9ee14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#14 0x00007f1c44fa66e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#15 0x00007f1c43d4e119 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#16 0x00007f1c43d511ac in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#17 0x00007f1c43da1ec4 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f1c3eb90368 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#19 0x00007f1c3eb905b1 in  () at /usr/lib/libglib-2.0.so.0
#20 0x00007f1c3eb9063e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#21 0x00007f1c43da152e in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#22 0x00007f1c37f96572 in  () at /usr/lib/libQt5WaylandClient.so.5
#23 0x00007f1c37f5c3a9 in QtWaylandClient::QWaylandDisplay::forceRoundTrip() ()
at /usr/lib/libQt5WaylandClient.so.5
#24 0x00007f1c37f5d0f7 in
QtWaylandClient::QWaylandDisplay::registry_global(unsigned int, QString const&,
unsigned int) () at /usr/lib/libQt5WaylandClient.so.5
#25 0x00007f1c37f851f6 in QtWayland::wl_registry::handle_global(void*,
wl_registry*, unsigned int, char const*, unsigned int) () at
/usr/lib/libQt5WaylandClient.so.5
#26 0x00007f1c3e93f1c8 in ffi_call_unix64 () at /usr/lib/libffi.so.6
#27 0x00007f1c3e93ec2a in ffi_call () at /usr/lib/libffi.so.6
#28 0x00007f1c42d3a5d6 in  () at /usr/lib/libwayland-client.so.0
#29 0x00007f1c42d3660a in  () at /usr/lib/libwayland-client.so.0
#30 0x00007f1c42d37cec in wl_display_dispatch_queue_pending () at
/usr/lib/libwayland-client.so.0
#31 0x00007f1c37f5c154 in QtWaylandClient::QWaylandDisplay::flushRequests() ()
at /usr/lib/libQt5WaylandClient.so.5
#32 0x00007f1c43d77f5c in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#33 0x00007f1c43d83b6a in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#34 0x00007f1c43d83ec2 in QSocketNotifier::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#35 0x00007f1c44f9ee14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#36 0x00007f1c44fa66e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#37 0x00007f1c43d4e119 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#38 0x00007f1c43da211b in  () at /usr/lib/libQt5Core.so.5
#39 0x00007f1c3eb90368 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#40 0x00007f1c3eb905b1 in  () at /usr/lib/libglib-2.0.so.0
#41 0x00007f1c3eb9063e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#42 0x00007f1c43da14a9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#43 0x00007f1c37f96572 in  () at /usr/lib/libQt5WaylandClient.so.5
#44 0x00007f1c43d4cdac in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#45 0x00007f1c43d550a6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#46 0x000055681653664e in  ()
#47 0x00007f1c437ad223 in __libc_start_main () at /usr/lib/libc.so.6
#48 0x0000556816536aca in _start ()

Reported using DrKonqi

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