https://bugs.kde.org/show_bug.cgi?id=429342

            Bug ID: 429342
           Summary: Plasma crashed on Wayland when I enabled "Show
                    on-screen display when switching" in Virtual Desktops
                    KCM
           Product: plasmashell
           Version: master
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: generic-crash
          Assignee: plasma-b...@kde.org
          Reporter: bugsefor...@gmx.com
  Target Milestone: 1.0

SUMMARY
I opened Virtual Desktops KCM via context menu of Pager widget placed on Plasma
panel, checked "Show on-screen display when switching" option, clicked on
"Apply" button and Plasma crashed.

SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.20.80
KDE Frameworks Version: 5.77.0
Qt Version: 5.15.1

Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: (null)
[New LWP 11781]
[New LWP 11875]
[New LWP 11918]
[New LWP 11919]
[New LWP 11920]
[New LWP 11921]
[New LWP 11923]
[New LWP 11924]
[New LWP 11927]
[New LWP 11932]
[New LWP 11933]
[New LWP 11937]
[New LWP 11963]
[New LWP 12988]
[New LWP 14026]
[New LWP 14027]
[New LWP 14139]
[New LWP 14788]
[New LWP 17908]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f290dae1aff in __GI___poll (fds=fds@entry=0x7ffe6492e8e8,
nfds=nfds@entry=1, timeout=timeout@entry=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f2909d492c0 (LWP 11749))]

Thread 20 (Thread 0x7f289dfbc700 (LWP 17908)):
#0  __GI___libc_write (nbytes=124, buf=0x7f289dfbb790, fd=2) at
../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7f289dfbb790, nbytes=124) at
../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f290da5e00d in _IO_new_file_write (f=0x7f290dbb85c0
<_IO_2_1_stderr_>, data=0x7f289dfbb790, n=124) at fileops.c:1176
#3  0x00007f290da5e928 in new_do_write (to_do=<optimized out>,
data=0x7f289dfbb790 "\033[1;31m[E][000009355.610393][data-loop.c:82 do_loop()]
data-loop 0x55b11bf7e6a0: iterate error -9 (Bad file descriptor)\033[0m\n",
fp=0x7f290dbb85c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=124, data=<optimized out>, f=<optimized out>) at
fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7f290dbb85c0 <_IO_2_1_stderr_>, data=<optimized
out>, n=124) at fileops.c:1197
#6  0x00007f290da51f0b in __GI__IO_fputs (str=0x7f289dfbb790
"\033[1;31m[E][000009355.610393][data-loop.c:82 do_loop()] data-loop
0x55b11bf7e6a0: iterate error -9 (Bad file descriptor)\033[0m\n",
fp=0x7f290dbb85c0 <_IO_2_1_stderr_>) at libioP.h:948
#7  0x00007f28f853c360 in  () at
/usr/lib/x86_64-linux-gnu/spa-0.2/support/libspa-support.so
#8  0x00007f28e5113da0 in pw_log_log () at
/lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#9  0x00007f28e51004ae in  () at /lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#10 0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f289e7bd700 (LWP 14788)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b122010b24) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b122010ad0,
cond=0x55b122010af8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b122010af8, mutex=0x55b122010ad0) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b122010ad0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b11c0353e8, mutex=mutex@entry=0x55b11c0353e0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b11c0353d8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b11c035340) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b11c035340) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b11c035340) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f289f7fe700 (LWP 14139)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b1220ca2f0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1220ca2a0,
cond=0x55b1220ca2c8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1220ca2c8, mutex=0x55b1220ca2a0) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b1220ca2a0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b122090de8, mutex=mutex@entry=0x55b122090de0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b122090dd8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b122090d40) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b122090d40) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b122090d40) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f28d3e7d700 (LWP 14027)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f28c4014120) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f28c40140d0,
cond=0x7f28c40140f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f28c40140f8, mutex=0x7f28c40140d0) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x7f28c40140d0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x7f2904065bc8, mutex=mutex@entry=0x7f2904065bc0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x7f2904065bb8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x7f2904065b20) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x7f2904065b20) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x7f2904065b20) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f28c8a4c700 (LWP 14026)):
#0  __GI___libc_read (nbytes=10, buf=0x7f28c8a4bb1e, fd=49) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=49, buf=0x7f28c8a4bb1e, nbytes=10) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f28e4c64955 in pa_read () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#3  0x00007f28e4f27416 in pa_mainloop_prepare () at
/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f28e4f27eb4 in pa_mainloop_iterate () at
/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f28e4f27f70 in pa_mainloop_run () at
/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f28e4f3611d in  () at /lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007f28e4c9367c in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f289ffff700 (LWP 12988)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b111cba6c4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b111cba670,
cond=0x55b111cba698) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b111cba698, mutex=0x55b111cba670) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b111cba670) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b1157b3748, mutex=mutex@entry=0x55b1157b3740,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b1157b3738) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b1157b36a0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b1157b36a0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b1157b36a0) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f28c9ded700 (LWP 11963)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b119468be4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b119468b90,
cond=0x55b119468bb8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b119468bb8, mutex=0x55b119468b90) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b119468b90) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b119467a38, mutex=mutex@entry=0x55b119467a30,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b119467a28) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b119467990) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b119467990) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b119467990) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f28ca9ee700 (LWP 11937)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b116640f00) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b116640eb0,
cond=0x55b116640ed8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b116640ed8, mutex=0x55b116640eb0) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b116640eb0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b11663fc58, mutex=mutex@entry=0x55b11663fc50,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b11663fc48) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b11663fbb0) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b11663fbb0) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b11663fbb0) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f28d0b50700 (LWP 11933)):
#0  g_source_ref (source=0x7f28b4004980) at ../../../glib/gmain.c:2166
#1  0x00007f290c415168 in g_source_iter_next (iter=iter@entry=0x7f28d0b4fb20,
source=source@entry=0x7f28d0b4fb18) at ../../../glib/gmain.c:1046
#2  0x00007f290c416aff in g_main_context_check
(context=context@entry=0x7f28b4000c20, max_priority=2147483647,
fds=fds@entry=0x7f28b4004c30, n_fds=n_fds@entry=1) at
../../../glib/gmain.c:3860
#3  0x00007f290c417152 in g_main_context_iterate
(context=context@entry=0x7f28b4000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#4  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f28b4000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#5  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f28b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f28d0b4fce0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007f290de6d982 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b11512bfb0) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f28d25b0700 (LWP 11932)):
#0  0x00007f290c463d4c in g_private_get (key=key@entry=0x7f290c4ec4a0
<g_thread_specific_private>) at ../../../glib/gthread-posix.c:1053
#1  0x00007f290c440ea4 in g_thread_self () at ../../../glib/gthread.c:1016
#2  0x00007f290c416220 in g_main_context_acquire (context=0x7f28c0000c20) at
../../../glib/gmain.c:3365
#3  0x00007f290c417065 in g_main_context_iterate
(context=context@entry=0x7f28c0000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3997
#4  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f28c0000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#5  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f28c0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f28d25afce0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007f290de6d982 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b114c63f70) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f28e77fe700 (LWP 11927)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b111adb9d4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b111adb980,
cond=0x55b111adb9a8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b111adb9a8, mutex=0x55b111adb980) at
pthread_cond_wait.c:638
#3  0x00007f290de74ceb in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55b111adb980) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x55b111d22df8, mutex=mutex@entry=0x55b111d22df0,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f290fc08774 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55b111d22de8) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55b111d22d50) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f290fc08be9 in QSGRenderThread::run() (this=0x55b111d22d50) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b111d22d50) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f28e7fff700 (LWP 11924)):
#0  __GI___libc_read (nbytes=16, buf=0x7f28e7ffea90, fd=17) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=17, buf=buf@entry=0x7f28e7ffea90,
nbytes=nbytes@entry=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f290c45f89f in read (__nbytes=16, __buf=0x7f28e7ffea90,
__fd=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/unistd.h:44
#3  g_wakeup_acknowledge (wakeup=0x7f28fc0039b0) at ../../../glib/gwakeup.c:210
#4  0x00007f290c416cfe in g_main_context_check
(context=context@entry=0x7f28dc000c20, max_priority=2147483647,
fds=fds@entry=0x7f28dc006340, n_fds=n_fds@entry=1) at
../../../glib/gmain.c:3825
#5  0x00007f290c417152 in g_main_context_iterate
(context=context@entry=0x7f28dc000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#6  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f28dc000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#7  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f28dc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f28e7ffeca0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#9  0x00007f290de6d982 in QThread::exec() (this=this@entry=0x55b111b0c410) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007f290fb4335a in QQuickPixmapReader::run() (this=0x55b111b0c410) at
util/qquickpixmapcache.cpp:1024
#11 0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b111b0c410) at
thread/qthread_unix.cpp:329
#12 0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#13 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f28f931c700 (LWP 11923)):
#0  __libc_disable_asynccancel () at
../sysdeps/unix/sysv/linux/x86_64/cancellation.S:85
#1  0x00007f290dae1b13 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007f290c4171ae in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f28e000f940, timeout=<optimized out>, context=0x7f28e0014260)
at ../../../glib/gmain.c:4346
#3  g_main_context_iterate (context=context@entry=0x7f28e0014260,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#4  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f28e0014260,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#5  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f28e0010740, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f28f931bce0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7  0x00007f290de6d982 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b110f4c050) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f28fb7fe700 (LWP 11921)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b1112f1a2c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1112f19d8,
cond=0x55b1112f1a00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1112f1a00, mutex=0x55b1112f19d8) at
pthread_cond_wait.c:638
#3  0x00007f2901dd497b in cnd_wait (mtx=0x55b1112f19d8, cond=0x55b1112f1a00) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55b1112f2f10) at
../src/util/u_queue.c:275
#5  0x00007f2901dd458b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f28fbfff700 (LWP 11920)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b1112f1a28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1112f19d8,
cond=0x55b1112f1a00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1112f1a00, mutex=0x55b1112f19d8) at
pthread_cond_wait.c:638
#3  0x00007f2901dd497b in cnd_wait (mtx=0x55b1112f19d8, cond=0x55b1112f1a00) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55b1112f2ed0) at
../src/util/u_queue.c:275
#5  0x00007f2901dd458b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f2900f17700 (LWP 11919)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b1112f1a2c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1112f19d8,
cond=0x55b1112f1a00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1112f1a00, mutex=0x55b1112f19d8) at
pthread_cond_wait.c:638
#3  0x00007f2901dd497b in cnd_wait (mtx=0x55b1112f19d8, cond=0x55b1112f1a00) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55b1112f2cc0) at
../src/util/u_queue.c:275
#5  0x00007f2901dd458b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2901718700 (LWP 11918)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55b1112f1a28) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55b1112f19d8,
cond=0x55b1112f1a00) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55b1112f1a00, mutex=0x55b1112f19d8) at
pthread_cond_wait.c:638
#3  0x00007f2901dd497b in cnd_wait (mtx=0x55b1112f19d8, cond=0x55b1112f1a00) at
../include/c11/threads_posix.h:155
#4  util_queue_thread_func (input=input@entry=0x55b1112f2ab0) at
../src/util/u_queue.c:275
#5  0x00007f2901dd458b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7  0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f29088ff700 (LWP 11875)):
#0  0x00007f290de6f040 in QMutex::lock() (this=this@entry=0x55b110e6dce0) at
/usr/include/c++/9/bits/atomic_base.h:769
#1  0x00007f290e0ad142 in QMutexLocker::QMutexLocker(QBasicMutex*)
(m=0x55b110e6dce0, this=<synthetic pointer>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:233
#2  QThreadData::canWaitLocked() (this=0x55b110e6dcb0) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:272
#3  postEventSourcePrepare(GSource*, gint*) (s=0x7f28fc004bb0,
timeout=timeout@entry=0x7f29088feaf4) at kernel/qeventdispatcher_glib.cpp:260
#4  0x00007f290c41672f in g_main_context_prepare
(context=context@entry=0x7f28fc000c20, priority=priority@entry=0x7f29088feb80)
at ../../../glib/gmain.c:3619
#5  0x00007f290c4170db in g_main_context_iterate
(context=context@entry=0x7f28fc000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4027
#6  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f28fc000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#7  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f28fc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#8  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f29088fecc0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#9  0x00007f290de6d982 in QThread::exec() (this=this@entry=0x55b110e6daf0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#10 0x00007f290f73fd69 in QQmlThreadPrivate::run() (this=0x55b110e6daf0) at
qml/ftw/qqmlthread.cpp:155
#11 0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x55b110e6daf0) at
thread/qthread_unix.cpp:329
#12 0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#13 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f290918c700 (LWP 11781)):
#0  g_mutex_unlock (mutex=0x7f2904000c20) at ../../../glib/gthread-posix.c:1493
#1  0x00007f290c416bd9 in g_main_context_check
(context=context@entry=0x7f2904000c20, max_priority=2147483647,
fds=fds@entry=0x7f2904005240, n_fds=n_fds@entry=1) at
../../../glib/gmain.c:3878
#2  0x00007f290c417152 in g_main_context_iterate
(context=context@entry=0x7f2904000c20, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4044
#3  0x00007f290c4172e3 in g_main_context_iteration (context=0x7f2904000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f290e0ad24b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f2904000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f290918bcb0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f290de6d982 in QThread::exec() (this=this@entry=0x7f290ea56d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f290e9d2f4b in QDBusConnectionManager::run() (this=0x7f290ea56d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8  0x00007f290de6eb1c in QThreadPrivate::start(void*) (arg=0x7f290ea56d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9  0x00007f290ced7609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f290daee293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2909d492c0 (LWP 11749)):
[KCrash Handler]
#6  0x00007f290bfadcf4 in
QWaylandClientExtensionPrivate::handleRegistryGlobal(void*, wl_registry*,
unsigned int, QString const&, unsigned int) (data=0x55b11eed1a60,
registry=0x55b110b91130, id=45, interface=..., version=1) at
global/qwaylandclientextension.cpp:67
#7  0x00007f290bf8a182 in
QtWaylandClient::QWaylandDisplay::registry_global(unsigned int, QString const&,
unsigned int) (this=<optimized out>, id=45, interface=..., version=1) at
qwaylanddisplay.cpp:364
#8  0x00007f290bfb8276 in QtWayland::wl_registry::handle_global(void*,
wl_registry*, unsigned int, char const*, unsigned int) (data=0x55b110b8de20,
object=<optimized out>, name=45, interface=0x55b11c2b5d60
"org_kde_kwin_blur_manager", version=1) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:236
#9  0x00007f290c3bdff5 in  () at /lib/x86_64-linux-gnu/libffi.so.7
#10 0x00007f290c3bd40a in  () at /lib/x86_64-linux-gnu/libffi.so.7
#11 0x00007f290d9053a8 in  () at /lib/x86_64-linux-gnu/libwayland-client.so.0
#12 0x00007f290d901c48 in  () at /lib/x86_64-linux-gnu/libwayland-client.so.0
#13 0x00007f290d90321c in wl_display_dispatch_queue_pending () at
/lib/x86_64-linux-gnu/libwayland-client.so.0
#14 0x00007f290bf89452 in QtWaylandClient::QWaylandDisplay::flushRequests()
(this=0x55b110b8de10) at qwaylanddisplay.cpp:221
#15 0x00007f290e089980 in doActivate<false>(QObject*, int, void**)
(sender=0x55b110c02530, signal_index=3, argv=0x7ffe6492f6d0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#16 0x00007f290e082d17 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55b110c02530, m=m@entry=0x7f290e2eab60
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe6492f6d0)
at kernel/qobject.cpp:3946
#17 0x00007f290e08d9c3 in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x55b110c02530, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#18 0x00007f290e08e163 in QSocketNotifier::event(QEvent*) (this=0x55b110c02530,
e=0x7ffe6492f9a0) at kernel/qsocketnotifier.cpp:302
#19 0x00007f290ed4ada3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55b110b8af30, receiver=receiver@entry=0x55b110c02530,
e=e@entry=0x7ffe6492f9a0) at kernel/qapplication.cpp:3630
#20 0x00007f290ed53b98 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffe6492fd00, receiver=0x55b110c02530, e=0x7ffe6492f9a0) at
kernel/qapplication.cpp:3154
#21 0x00007f290e05292a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55b110c02530, event=0x7ffe6492f9a0) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#22 0x00007f290e0ade35 in socketNotifierSourceDispatch(GSource*, GSourceFunc,
gpointer) (source=0x55b110bb8b60) at kernel/qeventdispatcher_glib.cpp:107
#23 0x00007f290c416fbd in g_main_dispatch (context=0x55b110bc6450) at
../../../glib/gmain.c:3309
#24 g_main_context_dispatch (context=context@entry=0x55b110bc6450) at
../../../glib/gmain.c:3974
#25 0x00007f290c417240 in g_main_context_iterate
(context=context@entry=0x55b110bc6450, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#26 0x00007f290c4172e3 in g_main_context_iteration (context=0x55b110bc6450,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#27 0x00007f290e0ad232 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55b110c02880, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#28 0x00007f290e05143b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffe6492fbb0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#29 0x00007f290e0595e4 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#30 0x000055b10f2cec6c in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./shell/main.cpp:252
[Inferior 1 (process 11749) detached]

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