Bug 437532

Summary: Plasma Wayland crashed after switching to another activity
Product: [Plasma] plasmashell Reporter: yamiyukisenpai
Component: generic-crashAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED WORKSFORME    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi, wayland-only
Version First Reported In: master   
Target Milestone: 1.0   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description yamiyukisenpai 2021-05-23 07:49:50 UTC 
Application: plasmashell (5.22.80)

Qt Version: 5.15.2
Frameworks Version: 5.83.0
Operating System: Linux 5.8.0-50-generic x86_64
Windowing System: Wayland
Drkonqi Version: 5.22.80
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
I was switching to another activity and opening an application from Kickoff when the crash occurred.

The reporter is unsure if this crash is reproducible.

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

[New LWP 3446]
[New LWP 3556]
[New LWP 3597]
[New LWP 3609]
[New LWP 3610]
[New LWP 3611]
[New LWP 3651]
[New LWP 3769]
[New LWP 3819]
[New LWP 4288]
[New LWP 4310]
[New LWP 4322]
[New LWP 4378]
[New LWP 5139]
[New LWP 5140]
[New LWP 6343]
[New LWP 6354]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f53b080aaff in __GI___poll (fds=0x7fff7bfaacb8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7f53acae8ec0 (LWP 3406))]

Thread 18 (Thread 0x7f5342efa700 (LWP 6354)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ef04af10) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ef04aec0, cond=0x5571ef04aee8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ef04aee8, mutex=0x5571ef04aec0) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x5571ef04aec0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f53a40e14a0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x7f53a40e1400) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f531cdf3700 (LWP 6343)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f534c06ade4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f534c06ad90, cond=0x7f534c06adb8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f534c06adb8, mutex=0x7f534c06ad90) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x7f534c06ad90) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5571f3af0970, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571f3af08d0) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f5377fff700 (LWP 5140)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f537000f630) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f537000f5e0, cond=0x7f537000f608) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f537000f608, mutex=0x7f537000f5e0) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x7f537000f5e0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f53a40d2a70, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x7f53a40d29d0) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f5380f0d700 (LWP 5139)):
#0  0x00007f53b080aaff in __GI___poll (fds=0x7f5370016210, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f538ce241d6 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f538ce15841 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f538ce15ec3 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f538ce15f70 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f538ce2411d in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f538cb7f72c in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#7  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f5350b2b700 (LWP 4378)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571f13d70f0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571f13d70a0, cond=0x5571f13d70c8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571f13d70c8, mutex=0x5571f13d70a0) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x5571f13d70a0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5571f1a9cd20, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571f1a9cc80) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f5353fff700 (LWP 4322)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571eff1a050) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571eff1a000, cond=0x5571eff1a028) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571eff1a028, mutex=0x5571eff1a000) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x5571eff1a000) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5571eff19f70, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571eff19ed0) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f535a4ea700 (LWP 4310)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571f09bf7a4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571f09bf750, cond=0x5571f09bf778) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571f09bf778, mutex=0x5571f09bf750) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x5571f09bf750) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x5571f0aaa710, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571f0aaa670) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f53758c2700 (LWP 4288)):
#0  __GI___libc_read (nbytes=16, buf=0x7f53758c1a90, fd=41) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=41, buf=0x7f53758c1a90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f53af169b2f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53af120ebe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f53af121312 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f53af1214a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f53b0dd7ffb in QEventDispatcherGlib::processEvents (this=0x7f535c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7f53758c1ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f53b0b96a52 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f5375db907c in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#10 0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571f00e7850) at thread/qthread_unix.cpp:329
#11 0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f5382efa700 (LWP 3819)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ee84df70) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ee84df20, cond=0x5571ee84df48) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ee84df48, mutex=0x5571ee84df20) at pthread_cond_wait.c:647
#3  0x00007f53b0b9dd5b in QWaitConditionPrivate::wait (deadline=..., this=0x5571ee84df20) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x7f53a4014750, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f53b27e3814 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f53b27e3c89 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x7f53a40146b0) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f538f4d3700 (LWP 3769)):
#0  0x00007f53af16e4dd in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f53af1208fa in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f53af12129b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53af1214a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f53b0dd7ffb in QEventDispatcherGlib::processEvents (this=0x7f537c0054a0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7f538f4d2ca0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f53b0b96a52 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f53b271e38a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571ef46c050) at thread/qthread_unix.cpp:329
#9  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f538ffff700 (LWP 3651)):
#0  __GI___libc_read (nbytes=16, buf=0x7f538fffead0, fd=15) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=15, buf=0x7f538fffead0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f53af169b2f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53af120ebe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f53af121312 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f53af1214a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f53b0dd7ffb in QEventDispatcherGlib::processEvents (this=0x7f5384000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7f538fffece0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f53b0b96a52 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571ef32f1a0) at thread/qthread_unix.cpp:329
#10 0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f53a27fc700 (LWP 3611)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ee9d11ac) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ee9d1158, cond=0x5571ee9d1180) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ee9d1180, mutex=0x5571ee9d1158) at pthread_cond_wait.c:647
#3  0x00007f53a8baae6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f53a8baaa6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f53a2ffd700 (LWP 3610)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ee9d11a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ee9d1158, cond=0x5571ee9d1180) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ee9d1180, mutex=0x5571ee9d1158) at pthread_cond_wait.c:647
#3  0x00007f53a8baae6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f53a8baaa6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f53a37fe700 (LWP 3609)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ee9d11ac) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ee9d1158, cond=0x5571ee9d1180) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ee9d1180, mutex=0x5571ee9d1158) at pthread_cond_wait.c:647
#3  0x00007f53a8baae6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f53a8baaa6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f53a3fff700 (LWP 3597)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5571ee9d11ac) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5571ee9d1158, cond=0x5571ee9d1180) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5571ee9d1180, mutex=0x5571ee9d1158) at pthread_cond_wait.c:647
#3  0x00007f53a8baae6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f53a8baaa6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f53aac75700 (LWP 3556)):
#0  0x00007f53b080aaff in __GI___poll (fds=0x7f539c004e60, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f53af12136e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f53af1214a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53b0dd7ffb in QEventDispatcherGlib::processEvents (this=0x7f539c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7f53aac74cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f53b0b96a52 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f53b2394fa9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f53b0b97bec in QThreadPrivate::start (arg=0x5571ee763fb0) at thread/qthread_unix.cpp:329
#8  0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f53abf13700 (LWP 3446)):
#0  __GI___libc_read (nbytes=16, buf=0x7f53abf12aa0, fd=8) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=8, buf=0x7f53abf12aa0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f53af169b2f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f53af120ebe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f53af121312 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f53af1214a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f53b0dd7ffb in QEventDispatcherGlib::processEvents (this=0x7f53a4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#7  0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7f53abf12cb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#8  0x00007f53b0b96a52 in QThread::exec (this=this@entry=0x7f53b178ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#9  0x00007f53b1706f4b in QDBusConnectionManager::run (this=0x7f53b178ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#10 0x00007f53b0b97bec in QThreadPrivate::start (arg=0x7f53b178ad80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#11 0x00007f53afb5c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f53b0817293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f53acae8ec0 (LWP 3406)):
[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007f53b071a859 in __GI_abort () at abort.c:79
#6  0x00007f53b0b5cbf7 in qt_message_fatal (context=..., message=<synthetic pointer>...) at global/qlogging.cpp:1914
#7  QMessageLogger::fatal (this=<optimized out>, msg=<optimized out>) at global/qlogging.cpp:893
#8  0x00007f53aec69d65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#9  0x00007f53aec7b16c in QtWaylandClient::QWaylandDisplay::flushRequests() () from /usr/lib/x86_64-linux-gnu/libQt5WaylandClient.so.5
#10 0x00007f53b0db4730 in doActivate<false> (sender=0x5571ee486260, signal_index=4, argv=0x7fff7bfabd20) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#11 0x00007f53b0dadac7 in QMetaObject::activate (sender=sender@entry=0x5571ee486260, m=m@entry=0x7f53b10171c0 <QAbstractEventDispatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#12 0x00007f53b0d7a287 in QAbstractEventDispatcher::awake (this=this@entry=0x5571ee486260) at .moc/moc_qabstracteventdispatcher.cpp:149
#13 0x00007f53b0dd801c in QEventDispatcherGlib::processEvents (this=0x5571ee486260, flags=...) at kernel/qeventdispatcher_glib.cpp:430
#14 0x00007f53b0d7c1eb in QEventLoop::exec (this=this@entry=0x7fff7bfabe40, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#15 0x00007f53b0d84394 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#16 0x00005571ee076dfe in main (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:251
[Inferior 1 (process 3406) detached]

Possible duplicates by query: bug 429344, bug 427384, bug 424911, bug 423222, bug 423132.

Reported using DrKonqi
This report was filed against 'kde' because the product 'plasmashell' could not be located in Bugzilla. Add it to drkonqi's mappings file!
Comment 1 Nate Graham 2021-05-26 17:22:16 UTC 
Can't figure out the backtrace
Comment 2 yamiyukisenpai 2021-06-27 06:10:16 UTC 
Good news is that it doesn't seem to happen anymore.  Guess it's good to close this until it happens again?
Comment 3 Nate Graham 2021-06-27 15:45:19 UTC 
Yep, that's fine!