Bug 418799

Summary: When logging in, black screen
Product: [Plasma] plasmashell Reporter: Michael <andryushinmichael>
Component: generic-waylandAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate, plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.18.3   
Target Milestone: 1.0   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Michael 2020-03-13 04:34:52 UTC 
Application: plasmashell (5.18.3)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.8-arch1-1 x86_64
Windowing system: Wayland
Distribution: "Arch Linux"

-- Information about the crash:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8ce8e61840 (LWP 12419))]

Thread 34 (Thread 0x7f8c4e635700 (LWP 12529)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ced4fbcc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8ced4fbda2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f8cef25856b in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f8cef2587fb in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f8c4ee36700 (LWP 12528)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f8c4f637700 (LWP 12527)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f8c66814700 (LWP 12521)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f8c66013700 (LWP 12478)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f8c677fe700 (LWP 12474)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ced4fbcc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8ced4fbda2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f8cef25856b in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f8cef2587fb in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f8c67fff700 (LWP 12473)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f8c74fe7700 (LWP 12472)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f8c75fd2700 (LWP 12469)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cef192eab in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f8c777fe700 (LWP 12468)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f8c77fff700 (LWP 12467)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f8ca0ff9700 (LWP 12466)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f8ca17fa700 (LWP 12465)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f8ca1ffb700 (LWP 12464)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f8ca27fc700 (LWP 12463)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f8ca2ffd700 (LWP 12462)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f8ca37fe700 (LWP 12461)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f8ca3fff700 (LWP 12460)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f8cd09b5700 (LWP 12459)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f8cd11b6700 (LWP 12458)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f8cd19b7700 (LWP 12457)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f8cd21b8700 (LWP 12456)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f8cd29b9700 (LWP 12455)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f8cd31ba700 (LWP 12454)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f8cdcff9700 (LWP 12453)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f8cdd7fa700 (LWP 12452)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f8cddffb700 (LWP 12451)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f8cde7fc700 (LWP 12450)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f8cdeffd700 (LWP 12449)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f8cdf7fe700 (LWP 12448)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8cdffff700 (LWP 12447)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8ce72b0700 (LWP 12432)):
#0  0x00007f8ced1029d3 in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f8ced171aa7 in poll () at /usr/lib/libc.so.6
#2  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f8ceeef0f89 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8ce8516700 (LWP 12431)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cee7ccb28 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f8ce8e61840 (LWP 12419)):
[KCrash Handler]
#6  0x00007f8ced0b8ce5 in raise () at /usr/lib/libc.so.6
#7  0x00007f8ced0a2857 in abort () at /usr/lib/libc.so.6
#8  0x00007f8ced4ba96c in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8ce8a5aaf3 in  () at /usr/lib/libQt5WaylandClient.so.5
#10 0x00007f8ce8a5ab51 in QtWaylandClient::QWaylandDisplay::flushRequests() () at /usr/lib/libQt5WaylandClient.so.5
#11 0x00007f8ced707540 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f8ced72a10e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#13 0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#14 0x00007f8c4ff5cfb4 in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#15 0x00007f8c4ff5bb3b in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#16 0x00007f8c4ff5756f in qt_plugin_instance () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#17 0x00007f8ced6bafab in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#18 0x00007f8c74100aa4 in KScreen::BackendManager::loadBackendPlugin(QPluginLoader*, QString const&, QMap<QString, QVariant> const&) () at /usr/lib/libKF5Screen.so.7
#19 0x00007f8c74101152 in KScreen::BackendManager::loadBackendInProcess(QString const&) () at /usr/lib/libKF5Screen.so.7
#20 0x00007f8c7410cefb in  () at /usr/lib/libKF5Screen.so.7
#21 0x00007f8c7410dca2 in KScreen::GetConfigOperation::start() () at /usr/lib/libKF5Screen.so.7
#22 0x00007f8ced6ff30a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#23 0x00007f8cee1c8362 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f8cee1d1819 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f8ced6d1a12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#26 0x00007f8ced6d4276 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#27 0x00007f8ced72aa84 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007f8ceba099be in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#29 0x00007f8ceba0b831 in  () at /usr/lib/libglib-2.0.so.0
#30 0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#31 0x00007f8ced72a0d0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#32 0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#33 0x00007f8ced6d8586 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#34 0x000055eeda286018 in  ()
#35 0x00007f8ced0a4023 in __libc_start_main () at /usr/lib/libc.so.6
#36 0x000055eeda28623e in _start ()
[Inferior 1 (process 12419) detached]

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8ce8e61840 (LWP 12419))]

Thread 34 (Thread 0x7f8c4e635700 (LWP 12529)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ced4fbcc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8ced4fbda2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f8cef25856b in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f8cef2587fb in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f8c4ee36700 (LWP 12528)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f8c4f637700 (LWP 12527)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f8c66814700 (LWP 12521)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f8c66013700 (LWP 12478)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f8c677fe700 (LWP 12474)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ced4fbcc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f8ced4fbda2 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f8cef25856b in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f8cef2587fb in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f8c67fff700 (LWP 12473)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f8c74fe7700 (LWP 12472)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f8c75fd2700 (LWP 12469)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cef192eab in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f8c777fe700 (LWP 12468)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f8c77fff700 (LWP 12467)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f8ca0ff9700 (LWP 12466)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f8ca17fa700 (LWP 12465)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f8ca1ffb700 (LWP 12464)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f8ca27fc700 (LWP 12463)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f8ca2ffd700 (LWP 12462)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f8ca37fe700 (LWP 12461)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f8ca3fff700 (LWP 12460)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f8cd09b5700 (LWP 12459)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f8cd11b6700 (LWP 12458)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f8cd19b7700 (LWP 12457)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f8cd21b8700 (LWP 12456)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f8cd29b9700 (LWP 12455)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f8cd31ba700 (LWP 12454)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f8cdcff9700 (LWP 12453)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f8cdd7fa700 (LWP 12452)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f8cddffb700 (LWP 12451)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f8cde7fc700 (LWP 12450)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f8cdeffd700 (LWP 12449)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f8cdf7fe700 (LWP 12448)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8cdffff700 (LWP 12447)):
#0  0x00007f8cec93bcf5 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8ce4e0699c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f8ce4e06598 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8ce72b0700 (LWP 12432)):
#0  0x00007f8ced1029d3 in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f8ced171aa7 in poll () at /usr/lib/libc.so.6
#2  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f8ceeef0f89 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f8ce8516700 (LWP 12431)):
#0  0x00007f8ced171abf in poll () at /usr/lib/libc.so.6
#1  0x00007f8ceba0b7a0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f8ced72a0ec in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f8ced4f4e62 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8cee7ccb28 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f8ced4f5fd6 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8cec93546f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f8ced17c3d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f8ce8e61840 (LWP 12419)):
[KCrash Handler]
#6  0x00007f8ced0b8ce5 in raise () at /usr/lib/libc.so.6
#7  0x00007f8ced0a2857 in abort () at /usr/lib/libc.so.6
#8  0x00007f8ced4ba96c in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f8ce8a5aaf3 in  () at /usr/lib/libQt5WaylandClient.so.5
#10 0x00007f8ce8a5ab51 in QtWaylandClient::QWaylandDisplay::flushRequests() () at /usr/lib/libQt5WaylandClient.so.5
#11 0x00007f8ced707540 in  () at /usr/lib/libQt5Core.so.5
#12 0x00007f8ced72a10e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#13 0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#14 0x00007f8c4ff5cfb4 in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#15 0x00007f8c4ff5bb3b in  () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#16 0x00007f8c4ff5756f in qt_plugin_instance () at /usr/lib/qt/plugins/kf5/kscreen/KSC_KWayland.so
#17 0x00007f8ced6bafab in QPluginLoader::instance() () at /usr/lib/libQt5Core.so.5
#18 0x00007f8c74100aa4 in KScreen::BackendManager::loadBackendPlugin(QPluginLoader*, QString const&, QMap<QString, QVariant> const&) () at /usr/lib/libKF5Screen.so.7
#19 0x00007f8c74101152 in KScreen::BackendManager::loadBackendInProcess(QString const&) () at /usr/lib/libKF5Screen.so.7
#20 0x00007f8c7410cefb in  () at /usr/lib/libKF5Screen.so.7
#21 0x00007f8c7410dca2 in KScreen::GetConfigOperation::start() () at /usr/lib/libKF5Screen.so.7
#22 0x00007f8ced6ff30a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#23 0x00007f8cee1c8362 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f8cee1d1819 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f8ced6d1a12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#26 0x00007f8ced6d4276 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#27 0x00007f8ced72aa84 in  () at /usr/lib/libQt5Core.so.5
#28 0x00007f8ceba099be in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#29 0x00007f8ceba0b831 in  () at /usr/lib/libglib-2.0.so.0
#30 0x00007f8ceba0b871 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#31 0x00007f8ced72a0d0 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#32 0x00007f8ced6d057c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#33 0x00007f8ced6d8586 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#34 0x000055eeda286018 in  ()
#35 0x00007f8ced0a4023 in __libc_start_main () at /usr/lib/libc.so.6
#36 0x000055eeda28623e in _start ()
[Inferior 1 (process 12419) detached]

Possible duplicates by query: bug 418794, bug 418782, bug 418779, bug 418690, bug 418687.

Reported using DrKonqi
Comment 1 Nate Graham 2021-02-23 20:51:22 UTC 

*** This bug has been marked as a duplicate of bug 413782 ***