Application: plasmashell (5.16.5)

Qt Version: 5.12.3
Frameworks Version: 5.62.0
Operating System: Linux 5.0.0-29-generic x86_64
Distribution: KDE neon User Edition 5.16

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

Had just logged in, after switching to "Plasma on Wayland". Using the open-source video drivers. Does not do this when on X

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f80f3c2f880 (LWP 1393))]

Thread 9 (Thread 0x7f808ffff700 (LWP 1532)):
[KCrash Handler]
#6  0x00007f80cac670b3 in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#7  0x00007f80cac677dd in  () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
#8  0x00007f80cf256196 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#9  0x00007f80cf3fbe6b in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#10 0x00007f80cef7982a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#11 0x00007f80d5b4b24b in  () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#12 0x00007f80d5b38829 in eglSwapBuffers () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#13 0x00007f80d6187b7c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#14 0x00007f80edf2cdbf in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f80f1a9aed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f80f1a9eae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f80ea2616db in start_thread (arg=0x7f808ffff700) at pthread_create.c:463
#19 0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f809da53700 (LWP 1472)):
#0  0x00007f80ed981b52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f80e6ea5fe1 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f80e6ea6570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f80ed981dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f80ed74a4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f80ea2616db in start_thread (arg=0x7f809da53700) at pthread_create.c:463
#9  0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f809e663700 (LWP 1471)):
#0  0x00007fffbf9f666f in  ()
#1  0x00007f80ed05aea6 in __GI___clock_gettime (clock_id=1, tp=0x7f809e662ac0) at ../sysdeps/unix/clock_gettime.c:115
#2  0x00007f80ed9816b1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f80ed97fee9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f80ed982535 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f80e6ea5fe1 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f80e6ea6570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f80ed981dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f80ed74a4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f809ed2e197 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#12 0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f80ea2616db in start_thread (arg=0x7f809e663700) at pthread_create.c:463
#14 0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f80b1a7f700 (LWP 1468)):
#0  0x00007f80ea26b10d in __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007f80ea264023 in __GI___pthread_mutex_lock (mutex=0x55bcb25138e8) at ../nptl/pthread_mutex_lock.c:78
#2  0x00007f80d5b388bb in eglSwapInterval () at /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
#3  0x00007f80d6187b6e in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-wayland-egl.so
#4  0x00007f80edf2cdbf in QOpenGLContext::swapBuffers(QSurface*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007f80f1a9aed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f80f1a9eae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f80ea2616db in start_thread (arg=0x7f80b1a7f700) at pthread_create.c:463
#9  0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f80b29fb700 (LWP 1465)):
#0  0x00007f80e6ea65cc in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f80ed981dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f80ed74a4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f80f1a18926 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f80ea2616db in start_thread (arg=0x7f80b29fb700) at pthread_create.c:463
#8  0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f80c9e7e700 (LWP 1461)):
#0  0x00007f80ea2679f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bcb22934e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f80ea2679f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bcb2293498, cond=0x55bcb22934c0) at pthread_cond_wait.c:502
#2  0x00007f80ea2679f3 in __pthread_cond_wait (cond=0x55bcb22934c0, mutex=0x55bcb2293498) at pthread_cond_wait.c:655
#3  0x00007f80cf6c923a in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#4  0x00007f80cf6c8f67 in  () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#5  0x00007f80ea2616db in start_thread (arg=0x7f80c9e7e700) at pthread_create.c:463
#6  0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f80dcefc700 (LWP 1458)):
#0  0x00007f80ed03a0b4 in __GI___libc_read (fd=9, buf=0x7f80dcefbaf0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f80e6eeb2d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f80e6ea60b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f80e6ea6570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f80ed981dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f80ed74a4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f80f1553115 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f80ea2616db in start_thread (arg=0x7f80dcefc700) at pthread_create.c:463
#11 0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f80de934700 (LWP 1430)):
#0  0x00007f80ed05a762 in __libc_disable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:96
#1  0x00007f80ed03ec0d in __GI___poll (fds=0x7f80d8003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#2  0x00007f80e6ea65c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f80ed981dcb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f80ed74a4ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f80eea2d015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007f80ed74bc72 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f80ea2616db in start_thread (arg=0x7f80de934700) at pthread_create.c:463
#10 0x00007f80ed04b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f80f3c2f880 (LWP 1393)):
#0  0x00007f80ea2679f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55bcb37a1eb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f80ea2679f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55bcb37a1e60, cond=0x55bcb37a1e88) at pthread_cond_wait.c:502
#2  0x00007f80ea2679f3 in __pthread_cond_wait (cond=0x55bcb37a1e88, mutex=0x55bcb37a1e60) at pthread_cond_wait.c:655
#3  0x00007f80ed752dbb in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f80ed7530c9 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f80f1a9ba6d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f80f1a9c5aa in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f80f1afd08e in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x000055bcb099b4ab in  ()
#9  0x00007f80ef28265c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f80ef289b90 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f80ed924d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f80ededfb33 in QPlatformWindow::windowEvent(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f80ef289bab in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f80ed924d18 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f80ed981219 in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f80ed981a19 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f80e6ea6417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f80e6ea6650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f80e6ea66dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f80ed981daf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f80ed92303a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f80ed92c170 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x000055bcb098af3f in  ()
#24 0x00007f80ecf4bb97 in __libc_start_main (main=0x55bcb098a3d0, argc=1, argv=0x7fffbf9e7808, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffbf9e77f8) at ../csu/libc-start.c:310
#25 0x000055bcb098b3ca in _start ()

Reported using DrKonqi