Application: plasmashell (5.16.3)

Qt Version: 5.13.0
Frameworks Version: 5.60.0
Operating System: Linux 4.19.59-1-lts x86_64
Distribution: "Antergos Linux"

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

Started a KVM Virtual machine with PCI-Passthrough and a few USB devices
Started Firefox (with MOZ_ENABLE_WAYLAND=1 variable), while KVM was starting
Plasma crashed and started itself again

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f31b3c4b880 (LWP 925))]

Thread 43 (Thread 0x7f3116efd700 (LWP 2020)):
#0  0x00007f31b7e1777c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b894850c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948659 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31b8945b0b in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 42 (Thread 0x7f31176fe700 (LWP 2019)):
#0  0x00007f31b7e1777c in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b894850c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948659 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31b8945b0b in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 41 (Thread 0x7f30e5ffb700 (LWP 1608)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba7287bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba728a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 40 (Thread 0x7f30e67fc700 (LWP 1607)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 39 (Thread 0x7f30e6ffd700 (LWP 1606)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 38 (Thread 0x7f30e77fe700 (LWP 1256)):
[KCrash Handler]
#6  0x00007f31b8414e94 in wl_proxy_marshal_constructor () at /usr/lib/libwayland-client.so.0
#7  0x00007f31b37ea4d0 in QtWaylandClient::QWaylandWindow::handleUpdate() () at /usr/lib/libQt5WaylandClient.so.5
#8  0x00007f31b0948b31 in  () at /usr/lib/qt/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#9  0x00007f31b8eeb0a2 in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/libQt5Gui.so.5
#10 0x00007f31ba724c4e in  () at /usr/lib/libQt5Quick.so.5
#11 0x00007f31ba7289d8 in  () at /usr/lib/libQt5Quick.so.5
#12 0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#13 0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 37 (Thread 0x7f30e7fff700 (LWP 1255)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 36 (Thread 0x7f31156fa700 (LWP 1249)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 35 (Thread 0x7f31166fc700 (LWP 1206)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 34 (Thread 0x7f3115efb700 (LWP 1203)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 33 (Thread 0x7f3117fff700 (LWP 1198)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba7287bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba728a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 32 (Thread 0x7f312c9ae700 (LWP 1197)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 31 (Thread 0x7f312d1af700 (LWP 1196)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 30 (Thread 0x7f312dcd5700 (LWP 1195)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba7287bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba728a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 29 (Thread 0x7f312e4d6700 (LWP 1194)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 28 (Thread 0x7f312ecd7700 (LWP 1193)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 27 (Thread 0x7f312ffff700 (LWP 1186)):
#0  0x00007f31b85c6667 in poll () at /usr/lib/libc.so.6
#1  0x00007f31b6dfea80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f31b6dfeb51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f31b8b679bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f31b8b0e5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f31b89412f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f314101d13b in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 26 (Thread 0x7f31437fe700 (LWP 1160)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba7287bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba728a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f3143fff700 (LWP 1159)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f315ca7f700 (LWP 1158)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f315d9fb700 (LWP 1153)):
#0  0x00007f31b6daf479 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f31b6dfea65 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f31b6dfeb51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f31b8b679bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f31b8b0e5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f31b89412f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f31ba69d61b in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f315e7fc700 (LWP 1151)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba7287bd in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba728a6e in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f315effd700 (LWP 1150)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f315ffff700 (LWP 1148)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f315f7fe700 (LWP 1146)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f3166ffd700 (LWP 1114)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f31677fe700 (LWP 1113)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f3167fff700 (LWP 1112)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f319cb23700 (LWP 1111)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f319d324700 (LWP 1110)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f319db25700 (LWP 1109)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f319e326700 (LWP 1108)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f319eb27700 (LWP 1107)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f319f328700 (LWP 1106)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f319fb29700 (LWP 1105)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f31a8de1700 (LWP 1104)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f31a95e2700 (LWP 1103)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f31a9de3700 (LWP 1102)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f31aa5e4700 (LWP 1101)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f31aade5700 (LWP 1100)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31ab64972c in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f31ab649328 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f31b1ef2700 (LWP 1049)):
#0  0x00007f31b85c6667 in poll () at /usr/lib/libc.so.6
#1  0x00007f31b6dfea80 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f31b6dfeb51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f31b8b679bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f31b8b0e5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f31b89412f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f31ba3bf8f9 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f31b310e700 (LWP 972)):
#0  0x00007f31b85c218c in read () at /usr/lib/libc.so.6
#1  0x00007f31b6daf9f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f31b6dfd311 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f31b6dfea28 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f31b6dfeb51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f31b8b679bc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f31b8b0e5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f31b89412f5 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f31b93dfb37 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007f31b8942520 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f31b7e1157f in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f31b85d10e3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f31b3c4b880 (LWP 925)):
#0  0x00007f31b7e17415 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f31b89485a0 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007f31b8948692 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007f31ba726e2e in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007f31ba727c14 in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007f31ba72840b in  () at /usr/lib/libQt5Quick.so.5
#6  0x00007f31b8eb934d in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#7  0x00007f31ba78bc33 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#8  0x00007f31baefe6d4 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#9  0x00007f31b964d4d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f31b9656a21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f31b8b0f9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#12 0x00007f31b8eaed15 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#13 0x00007f31b8eaef48 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#14 0x00007f31b8e8737c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#15 0x00007f31b8e875f9 in QWindowSystemInterface::flushWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#16 0x00007f31b37e8939 in QtWaylandClient::QWaylandWindow::applyConfigure() () at /usr/lib/libQt5WaylandClient.so.5
#17 0x00007f31b8b3c44a in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#18 0x00007f31b964d4d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f31b9656a21 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f31b8b0f9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#21 0x00007f31b8b12739 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#22 0x00007f31b8b683a4 in  () at /usr/lib/libQt5Core.so.5
#23 0x00007f31b6dfccf4 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#24 0x00007f31b6dfeb11 in  () at /usr/lib/libglib-2.0.so.0
#25 0x00007f31b6dfeb51 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#26 0x00007f31b8b679a3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#27 0x00007f31b8b0e5ec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#28 0x00007f31b8b16326 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#29 0x000055f72fe2bdf6 in  ()
#30 0x00007f31b84fbee3 in __libc_start_main () at /usr/lib/libc.so.6
#31 0x000055f72fe2c2ae in _start ()
[Inferior 1 (process 925) detached]

Reported using DrKonqi