Application: plasmashell (5.12.9)

Qt Version: 5.9.5
Frameworks Version: 5.44.0
Operating System: Linux 5.3.0-40-generic x86_64
Distribution: Ubuntu 18.04.4 LTS

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

When i turned on my computer (and the system reopened the last programs) i clicked on "Disconnect" button in the Connections settings on the tray, the KDE crashed, and restarted themself.

The crash does not seem to be reproducible.

-- 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 0x7f1e40632800 (LWP 1931))]

Thread 13 (Thread 0x7f1d594ec700 (LWP 3676)):
[KCrash Handler]
#6  0x00007f1e3e068640 in QSGSimpleTextureNode::texture() const () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1d87cfd963 in  () at /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#8  0x00007f1e3a52166f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1e3e0eaa30 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f1e3e095bbc in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f1e3e09aac8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f1e394956db in start_thread (arg=0x7f1d594ec700) at pthread_create.c:463
#14 0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f1d5a1ed700 (LWP 2467)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee8807fac4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ee8807fa70, cond=0x55ee8807fa98) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x55ee8807fa98, mutex=0x55ee8807fa70) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e09a6a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e09ab0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e394956db in start_thread (arg=0x7f1d5a1ed700) at pthread_create.c:463
#8  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f1d5a9ee700 (LWP 2452)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee88763c10) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ee88763bc0, cond=0x55ee88763be8) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x55ee88763be8, mutex=0x55ee88763bc0) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e09a6a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e09ab0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e394956db in start_thread (arg=0x7f1d5a9ee700) at pthread_create.c:463
#8  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f1d5bfff700 (LWP 2432)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee875a82a0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ee875a8250, cond=0x55ee875a8278) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x55ee875a8278, mutex=0x55ee875a8250) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e09a6a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e09ab0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e394956db in start_thread (arg=0x7f1d5bfff700) at pthread_create.c:463
#8  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f1d63281700 (LWP 2431)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee890b3f84) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ee890b3f30, cond=0x55ee890b3f58) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x55ee890b3f58, mutex=0x55ee890b3f30) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e09a6a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e09ab0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e394956db in start_thread (arg=0x7f1d63281700) at pthread_create.c:463
#8  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f1d695c6700 (LWP 2400)):
#0  0x00007f1e39c02bf9 in __GI___poll (fds=0x7f1d64003ce0, nfds=1, timeout=3369812) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1e3476b5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1e3a54b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1e3a30f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1d6bf23747 in KCupsConnection::run() () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1e394956db in start_thread (arg=0x7f1d695c6700) at pthread_create.c:463
#9  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f1d849bd700 (LWP 2053)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ee85ea23f0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55ee85ea23a0, cond=0x55ee85ea23c8) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x55ee85ea23c8, mutex=0x55ee85ea23a0) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e09a6a8 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e09ab0a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e394956db in start_thread (arg=0x7f1d849bd700) at pthread_create.c:463
#8  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f1d86192700 (LWP 2047)):
#0  0x00007f1e39bfe0b4 in __GI___libc_read (fd=29, buf=0x7f1d86191b20, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f1e347b02d0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1e3476b0b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1e3476b570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f1e3a54b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e3a30f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1e3e01b2a6 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f1e394956db in start_thread (arg=0x7f1d86192700) at pthread_create.c:463
#11 0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f1e19a5c700 (LWP 2007)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f1e3fff0fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f1e3fff0f68, cond=0x7f1e3fff0f90) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x7f1e3fff0f90, mutex=0x7f1e3fff0f68) at pthread_cond_wait.c:655
#3  0x00007f1e3fcfa5f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f1e3fcfa639 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f1e394956db in start_thread (arg=0x7f1e19a5c700) at pthread_create.c:463
#6  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f1e1bfff700 (LWP 1994)):
#0  0x00007f1e347b1649 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1e3476ab33 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1e3476b4fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1e3a54b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1e3a30f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e3d4816f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1e394956db in start_thread (arg=0x7f1e1bfff700) at pthread_create.c:463
#10 0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f1e22123700 (LWP 1986)):
#0  0x00007f1e347684cb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f1e3476aef2 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1e3476b570 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f1e3a54b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1e3a30f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f1e3d4816f5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1e394956db in start_thread (arg=0x7f1e22123700) at pthread_create.c:463
#10 0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f1e23b68700 (LWP 1964)):
#0  0x00007f1e39c02bf9 in __GI___poll (fds=0x7f1e1c004db0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f1e3476b5c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f1e3a54b8ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f1e3a30f23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f1e3a9c8d45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f1e3a31417d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f1e394956db in start_thread (arg=0x7f1e23b68700) at pthread_create.c:463
#9  0x00007f1e39c0f88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f1e40632800 (LWP 1931)):
#0  0x00007f1e3949b9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f1e1c08ec74) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f1e3949b9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f1e1c08ec20, cond=0x7f1e1c08ec48) at pthread_cond_wait.c:502
#2  0x00007f1e3949b9f3 in __pthread_cond_wait (cond=0x7f1e1c08ec48, mutex=0x7f1e1c08ec20) at pthread_cond_wait.c:655
#3  0x00007f1e3a3155ab in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f1e3e096e7d in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f1e3e097c52 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f1e3e0f4726 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f1e4002e323 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#8  0x00007f1e3b4fa83c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f1e3b502104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f1e3a4f28d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f1e3ad4a1a1 in QWindowPrivate::deliverUpdateRequest() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#12 0x00007f1e3ad4a6b9 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f1e3e0f46c5 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f1e4002e323 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#15 0x00007f1e3b4fa83c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f1e3b502104 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f1e3a4f28d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f1e3a54ad2e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f1e3a54b4f1 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f1e3476b417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f1e3476b650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f1e3476b6dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f1e3a54b88f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f1e3a4f090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f1e3a4f99b4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x000055ee83f23d6a in  ()
#27 0x00007f1e39b0fb97 in __libc_start_main (main=0x55ee83f23390, argc=1, argv=0x7ffc455b1848, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc455b1838) at ../csu/libc-start.c:310
#28 0x000055ee83f2410a in _start ()

Reported using DrKonqi