Application: plasmashell (5.25.5)

Qt Version: 5.15.6
Frameworks Version: 5.98.0
Operating System: Linux 5.4.0-125-generic x86_64
Windowing System: X11
Distribution: KDE neon User - 5.25
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
Just interacting with browsers and switching desktops. No specific activity.

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[New LWP 4052]
[New LWP 4180]
[New LWP 4242]
[New LWP 4243]
[New LWP 4244]
[New LWP 4245]
[New LWP 4246]
[New LWP 4247]
[New LWP 4248]
[New LWP 4249]
[New LWP 4250]
[New LWP 4251]
[New LWP 4252]
[New LWP 4253]
[New LWP 4514]
[New LWP 4515]
[New LWP 4518]
[New LWP 4983]
[New LWP 4984]
[New LWP 4985]
[New LWP 4997]
[New LWP 4998]
[New LWP 6734]
[New LWP 6738]
[New LWP 6739]
[New LWP 100043]
[New LWP 100044]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007feded6c099f in __GI___poll (fds=0x7ffed76e25b8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7fede979b2c0 (LWP 4043))]

Thread 28 (Thread 0x7fed2ec9b700 (LWP 100044)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecef28ad24) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecef28acd0, cond=0x55ecef28acf8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecef28acf8, mutex=0x55ecef28acd0) at pthread_cond_wait.c:647
#3  0x00007fededa565eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fedef6f3394 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fedef6f3809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fed2e49a700 (LWP 100043)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecef71cd40) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecef71ccf0, cond=0x55ecef71cd18) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecef71cd18, mutex=0x55ecef71ccf0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 26 (Thread 0x7fedab7fe700 (LWP 6739)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eceda49720) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55eceda496d0, cond=0x55eceda496f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55eceda496f8, mutex=0x55eceda496d0) at pthread_cond_wait.c:647
#3  0x00007fededa565eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fedef6f3394 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fedef6f3809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 25 (Thread 0x7fed7cf91700 (LWP 6738)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eced5770c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55eced577070, cond=0x55eced577098) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55eced577098, mutex=0x55eced577070) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fed92e56700 (LWP 6734)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fed68117d50) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fed68117d00, cond=0x7fed68117d28) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fed68117d28, mutex=0x7fed68117d00) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fed713a2700 (LWP 4998)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eced8633a4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55eced863350, cond=0x55eced863378) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55eced863378, mutex=0x55eced863350) at pthread_cond_wait.c:647
#3  0x00007fededa565eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fedef6f3394 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fedef6f3809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fed7eb0c700 (LWP 4997)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ececf0f0a4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ececf0f050, cond=0x55ececf0f078) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ececf0f078, mutex=0x55ececf0f050) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fed637fe700 (LWP 4985)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecec65fa44) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecec65f9f0, cond=0x55ecec65fa18) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecec65fa18, mutex=0x55ecec65f9f0) at pthread_cond_wait.c:647
#3  0x00007fededa565eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fedef6f3394 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fedef6f3809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fed61bd0700 (LWP 4984)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecec9b4360) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecec9b4310, cond=0x55ecec9b4338) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecec9b4338, mutex=0x55ecec9b4310) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fed7dccb700 (LWP 4983)):
#0  0x00007feded6c099f in __GI___poll (fds=0x7fed58006930, nfds=1, timeout=3467745) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fedebd9536e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fedebd954a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fededc91b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fededc35b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fededa4f342 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fed7ddab0bc in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fed921fc700 (LWP 4518)):
#0  0x00007feded6c099f in __GI___poll (fds=0x7fed78005730, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fedebd9536e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fedebd954a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fededc91b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fededc35b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fededa4f342 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fedef62d67a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fed93fff700 (LWP 4515)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eceab17704) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55eceab176b0, cond=0x55eceab176d8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55eceab176d8, mutex=0x55eceab176b0) at pthread_cond_wait.c:647
#3  0x00007fededa565eb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fedef6f3394 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fedef6f3809 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7feda8882700 (LWP 4514)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55eceab47860) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55eceab47810, cond=0x55eceab47838) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55eceab47838, mutex=0x55eceab47810) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fedabfff700 (LWP 4253)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25d0c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25d070, cond=0x55ecea25d098) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25d098, mutex=0x55ecea25d070) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fedcc845700 (LWP 4252)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25d0c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25d070, cond=0x55ecea25d098) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25d098, mutex=0x55ecea25d070) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fedcd046700 (LWP 4251)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25d0c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25d070, cond=0x55ecea25d098) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25d098, mutex=0x55ecea25d070) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fedcd847700 (LWP 4250)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25d0c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25d070, cond=0x55ecea25d098) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25d098, mutex=0x55ecea25d070) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fedce048700 (LWP 4249)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb30) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fedce849700 (LWP 4248)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb34) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fedd8c71700 (LWP 4247)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb30) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fedd9472700 (LWP 4246)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb34) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fedd9c73700 (LWP 4245)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb30) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fedda474700 (LWP 4244)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25cb34) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25cae0, cond=0x55ecea25cb08) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25cb08, mutex=0x55ecea25cae0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fede084b700 (LWP 4243)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea10c148) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea10c0f8, cond=0x55ecea10c120) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea10c120, mutex=0x55ecea10c0f8) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fede11d8700 (LWP 4242)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ecea25f324) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ecea25f2d0, cond=0x55ecea25f2f8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ecea25f2f8, mutex=0x55ecea25f2d0) at pthread_cond_wait.c:647
#3  0x00007fedda63a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fedda63a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fede2a62700 (LWP 4180)):
#0  __GI___libc_read (nbytes=16, buf=0x7fede2a619b0, fd=12) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=12, buf=0x7fede2a619b0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fedebdddb2f in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fedebd94ebe in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fedebd95312 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fedebd954a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fededc91b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fededc35b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fededa4f342 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fedef28f919 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#10 0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fede89b2700 (LWP 4052)):
#0  0x00007feded6c099f in __GI___poll (fds=0x7fede40162e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fedebd9536e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fedebd954a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fededc91b6b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fededc35b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fededa4f342 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fedee5d0f4b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fededa50543 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007feded281609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007feded6cd133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fede979b2c0 (LWP 4043)):
[KCrash Handler]
#4  0x000055eceb017af0 in ?? ()
#5  0x00007fededa59e46 in QFutureWatcherBase::cancel() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fedaaad49e3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#7  0x00007fedaaad5470 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#8  0x00007fedaaad8b5b in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#9  0x00007fedaaad9620 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/libKirigamiPlugin.so
#10 0x00007fedef1d3a97 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#11 0x00007fedef1d61a4 in QQmlPropertyPrivate::writeValueProperty(QObject*, QQmlPropertyData const&, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007fedef24a784 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#13 0x00007fedef24b8c8 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#14 0x00007fedef24cf03 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#15 0x00007fedef249c82 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#16 0x00007fedef2221bd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#17 0x00007fedef1c430f in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#18 0x00007fededc6de5a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007fedef1bea53 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#20 0x00007fededc441fb in QMetaProperty::write(QObject*, QVariant const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fededc6cd4e in QObject::setProperty(char const*, QVariant const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fedf007a723 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#23 0x000055ece85d36fd in ?? ()
#24 0x00007fededc6e2c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fedf0017be6 in KActivities::Consumer::currentActivityChanged(QString const&) () from /usr/lib/x86_64-linux-gnu/libKF5Activities.so.5
#26 0x00007fededc6e2c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fedf0017b89 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Activities.so.5
#28 0x00007fededc6e2c2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fedf003539c in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Activities.so.5
#30 0x00007fedf0035a73 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5Activities.so.5
#31 0x00007fedee5dd533 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#32 0x00007fededc64cd9 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007fedee96be43 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fedee974c58 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fededc3700a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fededc39911 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007fededc924f7 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fedebd9517d in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fedebd95400 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fedebd954a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fededc91b52 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007fededc35b0b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007fededc3dcb4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x000055ece85a9577 in ?? ()
#45 0x00007feded5d2083 in __libc_start_main (main=0x55ece85a86b0, argc=1, argv=0x7ffed76e6348, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffed76e6338) at ../csu/libc-start.c:308
#46 0x000055ece85a969e in ?? ()
[Inferior 1 (process 4043) detached]

Reported using DrKonqi