Application: plasmashell (5.17.4)

Qt Version: 5.13.2
Frameworks Version: 5.64.0
Operating System: Linux 5.4.8-200.fc31.x86_64 x86_64
Distribution: "Fedora release 31 (Thirty One)"

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

Crash at the opening of the session.
You have to restart the computer to access another interface.
I did an update with the updates-testing packages, the result is the same
On Fedora31

Thank you

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efe33cc6c80 (LWP 2122))]

Thread 9 (Thread 0x7efdf7b4f700 (LWP 2474)):
#0  0x00007efe3190ee33 in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007efe3197ea57 in poll () at /lib64/libc.so.6
#2  0x00007efe3043980e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007efe30439943 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007efe31f1d8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efe31ec724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007efe31d17c75 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007efdfc3cdc4c in KCupsConnection::run() () at /lib64/libkcupslib.so
#8  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#10 0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7efdfeb67700 (LWP 2459)):
#0  0x00007efe3197a44c in read () at /lib64/libc.so.6
#1  0x00007efe3048153f in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007efe30439357 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007efe304397b2 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#4  0x00007efe30439943 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#5  0x00007efe31f1d8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007efe31ec724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#7  0x00007efe31d17c75 in QThread::exec() () at /lib64/libQt5Core.so.5
#8  0x00007efe339360da in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#9  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#10 0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#11 0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7efdffefb700 (LWP 2458)):
#0  0x00007efe31197d45 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efe31d1e8e3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /lib64/libQt5Core.so.5
#2  0x00007efe31d1e971 in QWaitCondition::wait(QMutex*, unsigned long) () at /lib64/libQt5Core.so.5
#3  0x00007efe339c14e9 in QSGRenderThread::processEventsAndWaitForMore() () at /lib64/libQt5Quick.so.5
#4  0x00007efe339c178d in QSGRenderThread::run() () at /lib64/libQt5Quick.so.5
#5  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#6  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#7  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7efe0f28f700 (LWP 2293)):
#0  0x00007efe3197ea6f in poll () at /lib64/libc.so.6
#1  0x00007efe3043980e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007efe30439943 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007efe31f1d8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efe31ec724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efe31d17c75 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efe33640399 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7efe1890f700 (LWP 2292)):
#0  0x00007efe31197d45 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efe19baf11b in util_queue_thread_func () at /usr/lib64/dri/r600_dri.so
#2  0x00007efe19baed2b in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#4  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7efe1926f700 (LWP 2291)):
#0  0x00007efe31197d45 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efe19baf11b in util_queue_thread_func () at /usr/lib64/dri/r600_dri.so
#2  0x00007efe19baed2b in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#4  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7efe1bd9f700 (LWP 2154)):
#0  0x00007efe3197ea6f in poll () at /lib64/libc.so.6
#1  0x00007efe3043980e in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007efe30439943 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007efe31f1d8b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efe31ec724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efe31d17c75 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efe32747f6a in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7efe20af7700 (LWP 2137)):
#0  0x00007efe3197ea6f in poll () at /lib64/libc.so.6
#1  0x00007efe33ddd38a in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007efe33ddefea in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007efe20d13d48 in QXcbEventQueue::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007efe31d18dc6 in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007efe311914e2 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efe31989693 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7efe33cc6c80 (LWP 2122)):
[KCrash Handler]
#6  0x00007efdfc3ed36a in JobModel::updateJob(int, KCupsJob const&) () at /lib64/libkcupslib.so
#7  0x00007efdfc3ef418 in JobModel::insertJob(int, KCupsJob const&) () at /lib64/libkcupslib.so
#8  0x00007efdfc3ef8d9 in JobModel::getJobFinished(KCupsRequest*) () at /lib64/libkcupslib.so
#9  0x00007efe31ef380a in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#10 0x00007efe329dfab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#11 0x00007efe329e9150 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x00007efe31ec8458 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#13 0x00007efe31ecb49b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#14 0x00007efe31f1db07 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#15 0x00007efe30439510 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#16 0x00007efe304398a0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#17 0x00007efe30439943 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#18 0x00007efe31f1d895 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#19 0x00007efe31ec724b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#20 0x00007efe31ecf126 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#21 0x0000563d08f1c73a in main ()
[Inferior 1 (process 2122) detached]

The reporter indicates this bug may be a duplicate of or related to bug 413223.

Possible duplicates by query: bug 414883, bug 414882, bug 414652, bug 414083, bug 413909.

Reported using DrKonqi