Application: plasmashell (5.20.1)

Qt Version: 5.15.1
Frameworks Version: 5.75.0
Operating System: Linux 5.9.1-1-default x86_64
Windowing system: Wayland
Distribution: "openSUSE Tumbleweed"

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

I turned of my screen which is connected via HDMI. When I turn it back on, I see this crash. It only happens when I'm using plasma-wayland session.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted

[New LWP 9934]
[New LWP 9994]
[New LWP 10017]
[New LWP 10018]
[New LWP 10019]
[New LWP 10020]
[New LWP 10021]
[New LWP 10022]
[New LWP 10024]
[New LWP 10025]
[New LWP 10026]
[New LWP 10027]
[New LWP 10028]
[New LWP 10029]
[New LWP 10030]
[New LWP 10031]
[New LWP 10032]
[New LWP 10141]
[New LWP 10160]
[New LWP 10168]
[New LWP 10169]
[New LWP 10170]
[New LWP 10310]
[New LWP 10519]
[New LWP 10521]
[New LWP 10534]
[New LWP 10535]
[New LWP 10536]
[New LWP 10539]
[New LWP 10542]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007fe25d48de7f in poll () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7fe25b387840 (LWP 9914))]

Thread 31 (Thread 0x7fe1a2bfd640 (LWP 10542)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7fe1b8deb640 (LWP 10539)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7fe1ba1ed640 (LWP 10536)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe25d81f92b in QWaitConditionPrivate::wait (deadline=..., deadline=..., this=0x7fe254059eb0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x55d5e52fd880, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007fe25f4cfb57 in ?? () from /usr/lib64/libQt5Quick.so.5
#4  0x00007fe25f4d1fe9 in ?? () from /usr/lib64/libQt5Quick.so.5
#5  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e52fd7e0) at thread/qthread_unix.cpp:329
#6  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#7  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7fe1badee640 (LWP 10535)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7fe1bb5ef640 (LWP 10534)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7fe1d1969640 (LWP 10521)):
#0  0x00007fe25be5e421 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fe25be5eeeb in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe1c0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe1d1968c80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fe1d1eaf428 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#7  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e3e8bde0) at thread/qthread_unix.cpp:329
#8  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7fe1d28cc640 (LWP 10519)):
#0  0x00007fe25d48de7f in poll () from /lib64/libc.so.6
#1  0x00007fe25be5efbe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe1bc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe1d28cbcc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e38ca040) at thread/qthread_unix.cpp:329
#7  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fe1d3fff640 (LWP 10310)):
#0  0x00007fe25be5e3e7 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fe25be5eeeb in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe1c8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe1d3ffecc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e3833410) at thread/qthread_unix.cpp:329
#7  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fe1fa013640 (LWP 10170)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe25d81f92b in QWaitConditionPrivate::wait (deadline=..., deadline=..., this=0x7fe25400d6a0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x7fe254009ed0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007fe25f4cfb57 in ?? () from /usr/lib64/libQt5Quick.so.5
#4  0x00007fe25f4d1fe9 in ?? () from /usr/lib64/libQt5Quick.so.5
#5  0x00007fe25d819911 in QThreadPrivate::start (arg=0x7fe254009e30) at thread/qthread_unix.cpp:329
#6  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#7  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fe23552f640 (LWP 10169)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fe234d2e640 (LWP 10168)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fe1fbfff640 (LWP 10160)):
#0  0x00007fe25da502fd in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:138
#1  0x00007fe25be5e4e2 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5eeeb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe20003a970, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe1fbffec80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007fe25f423926 in ?? () from /usr/lib64/libQt5Quick.so.5
#8  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e30729f0) at thread/qthread_unix.cpp:329
#9  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fe1fb7fe640 (LWP 10141)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fe237fff640 (LWP 10032)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fe23cff9640 (LWP 10031)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fe23d7fa640 (LWP 10030)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fe23dffb640 (LWP 10029)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fe23e7fc640 (LWP 10028)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fe23effd640 (LWP 10027)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fe23f7fe640 (LWP 10026)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fe23ffff640 (LWP 10025)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fe244974640 (LWP 10024)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fe245175640 (LWP 10022)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fe245976640 (LWP 10021)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fe246177640 (LWP 10020)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fe246978640 (LWP 10019)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fe247179640 (LWP 10018)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fe250f10640 (LWP 10017)):
#0  0x00007fe25c9e9082 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fe2515fffbb in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fe2515ff477 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fe2535ef640 (LWP 9994)):
#0  0x00007fe25d48de7f in poll () from /lib64/libc.so.6
#1  0x00007fe25be5efbe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe24c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe2535eeca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fe25f0652d5 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007fe25d819911 in QThreadPrivate::start (arg=0x55d5e21f9470) at thread/qthread_unix.cpp:329
#8  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fe258efc640 (LWP 9934)):
#0  0x00007fe25d48de7f in poll () from /lib64/libc.so.6
#1  0x00007fe25be5efbe in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fe25da505cb in QEventDispatcherGlib::processEvents (this=0x7fe254000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7fe258efbc70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007fe25d8187ce in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007fe25e3eaa27 in ?? () from /usr/lib64/libQt5DBus.so.5
#7  0x00007fe25d819911 in QThreadPrivate::start (arg=0x7fe25e457d80) at thread/qthread_unix.cpp:329
#8  0x00007fe25c9e2eb1 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fe25d498ccf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fe25b387840 (LWP 9914)):
[KCrash Handler]
#4  0x00007fe25d3d6641 in raise () from /lib64/libc.so.6
#5  0x00007fe25d3bf538 in abort () from /lib64/libc.so.6
#6  0x00007fe25d7dec37 in qt_message_fatal (message=<synthetic pointer>..., context=...) at global/qlogging.cpp:1914
#7  QMessageLogger::fatal (this=this@entry=0x7ffccc00ed40, msg=msg@entry=0x7fe2595400f8 "The Wayland connection experienced a fatal error: %s") at global/qlogging.cpp:893
#8  0x00007fe2594c9d80 in QtWaylandClient::QWaylandDisplay::checkError (this=<optimized out>) at /usr/include/qt5/QtCore/qlogging.h:90
#9  0x00007fe2594c9dce in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55d5e1ed4630) at qwaylanddisplay.cpp:222
#10 0x00007fe2594d22df in QtWaylandClient::QWaylandWindow::setVisible (this=0x55d5e44adba0, visible=<optimized out>) at qwaylandwindow.cpp:426
#11 0x00007fe25de47213 in QWindowPrivate::setVisible (this=0x55d5e40b62f0, visible=<optimized out>) at kernel/qwindow.cpp:408
#12 0x000055d5e12ff21c in ShellCorona::primaryOutputChanged (this=0x55d5e1f01960) at /usr/src/debug/plasma5-workspace-5.20.1.1-1.1.x86_64/shell/shellcorona.cpp:777
#13 0x00007fe25da2f646 in QtPrivate::QSlotObjectBase::call (a=0x7ffccc00efe0, r=0x55d5e1f01960, this=0x55d5e2d520e0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 doActivate<false> (sender=0x7ffccc00fa80, signal_index=11, argv=argv@entry=0x7ffccc00efe0) at kernel/qobject.cpp:3886
#15 0x00007fe25da289a0 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fe25e3b6440, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffccc00efe0) at kernel/qobject.cpp:3946
#16 0x00007fe25de2d542 in QGuiApplication::primaryScreenChanged (this=<optimized out>, _t1=<optimized out>) at .moc/moc_qguiapplication.cpp:403
#17 0x00007fe25de64f55 in QScreen::~QScreen (this=0x55d5e1edbeb0, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:116
#18 0x00007fe25de65299 in QScreen::~QScreen (this=0x55d5e1edbeb0, __in_chrg=<optimized out>) at kernel/qscreen.cpp:110
#19 0x00007fe25de109b7 in QWindowSystemInterface::handleScreenRemoved (platformScreen=0x55d5e1ebce50) at kernel/qwindowsysteminterface.cpp:845
#20 0x00007fe2594cbe3d in QtWaylandClient::QWaylandDisplay::registry_global_remove (this=0x55d5e1ed4630, id=36) at qwaylanddisplay.cpp:386
#21 0x00007fe25be0542d in ffi_call_unix64 () at ../src/x86/unix64.S:106
#22 0x00007fe25be014f9 in ffi_call_int (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669
#23 0x00007fe25d2dc8fe in wl_closure_invoke (closure=closure@entry=0x55d5e524bd90, target=<optimized out>, target@entry=0x55d5e1ed4930, opcode=opcode@entry=1, data=<optimized out>, flags=<optimized out>) at src/connection.c:1018
#24 0x00007fe25d2dcfcb in dispatch_event (display=0x55d5e1ed47e0, queue=<optimized out>, queue=<optimized out>) at src/wayland-client.c:1445
#25 0x00007fe25d2dd19c in dispatch_queue (queue=0x55d5e1ed48b0, display=0x55d5e1ed47e0) at src/wayland-client.c:1591
#26 wl_display_dispatch_queue_pending (display=0x55d5e1ed47e0, queue=0x55d5e1ed48b0) at src/wayland-client.c:1833
#27 0x00007fe25d2dd1ec in wl_display_dispatch_pending (display=<optimized out>) at src/wayland-client.c:1896
#28 0x00007fe2594c9dc2 in QtWaylandClient::QWaylandDisplay::flushRequests (this=0x55d5e1ed4630) at qwaylanddisplay.cpp:221
#29 0x00007fe25da2f680 in doActivate<false> (sender=0x55d5e1f00450, signal_index=3, argv=argv@entry=0x7ffccc00f590) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#30 0x00007fe25da289a0 in QMetaObject::activate (sender=sender@entry=0x55d5e1f00450, m=m@entry=0x7fe25dcdcb00 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffccc00f590) at kernel/qobject.cpp:3946
#31 0x00007fe25da32a7f in QSocketNotifier::activated (this=this@entry=0x55d5e1f00450, _t1=..., _t2=<optimized out>, _t3=...) at .moc/moc_qsocketnotifier.cpp:178
#32 0x00007fe25da3327b in QSocketNotifier::event (this=0x55d5e1f00450, e=0x7ffccc00f6a0) at kernel/qsocketnotifier.cpp:302
#33 0x00007fe25e71a14f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x55d5e1f00450, e=0x7ffccc00f6a0) at kernel/qapplication.cpp:3630
#34 0x00007fe25d9f905a in QCoreApplication::notifyInternal2 (receiver=0x55d5e1f00450, event=0x7ffccc00f6a0) at ../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#35 0x00007fe25da51165 in socketNotifierSourceDispatch (source=0x55d5e1ef6920) at kernel/qeventdispatcher_glib.cpp:107
#36 0x00007fe25be5eca7 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#37 0x00007fe25be5f028 in ?? () from /usr/lib64/libglib-2.0.so.0
#38 0x00007fe25be5f0df in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#39 0x00007fe25da505af in QEventDispatcherGlib::processEvents (this=0x55d5e1f12190, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#40 0x00007fe25d9f7a1b in QEventLoop::exec (this=this@entry=0x7ffccc00f8b0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#41 0x00007fe25d9ffc90 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#42 0x000055d5e12e1f89 in main (argc=<optimized out>, argv=0x7ffccc00fad0) at /usr/src/debug/plasma5-workspace-5.20.1.1-1.1.x86_64/shell/main.cpp:244
[Inferior 1 (process 9914) detached]

Possible duplicates by query: bug 428241, bug 427933, bug 427827, bug 427593, bug 427522.

Reported using DrKonqi