Application: plasmashell (5.14.5)

Qt Version: 5.12.1
Frameworks Version: 5.55.0
Operating System: Linux 4.20.7-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

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

Fired up the box. Plasma crashed immediately on first login. It restarted automatically.

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbcef907680 (LWP 9120))]

Thread 8 (Thread 0x7fbcb5df5700 (LWP 9642)):
#0  0x00007fbced2adafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fbcee1ecc4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007fbcee1ecd3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007fbceff6d92d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fbceff6db9c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fbcbd477700 (LWP 9625)):
#0  0x00007fbced2adafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fbcee1ecc4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007fbcee1ecd3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007fbceff6d92d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fbceff6db9c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fbcbffff700 (LWP 9623)):
#0  0x00007fbced2adafc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fbcee1ecc4c in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/libQt5Core.so.5
#2  0x00007fbcee1ecd3a in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#3  0x00007fbceff6d92d in  () at /usr/lib/libQt5Quick.so.5
#4  0x00007fbceff6db9c in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fbcd18bf700 (LWP 9551)):
#0  0x00007fbcedebc7a4 in read () at /usr/lib/libc.so.6
#1  0x00007fbcec2c3971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fbcec3140b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fbcec3154e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fbcec31562e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fbcee3f8d04 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fbcee3a1b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fbcee1e5569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fbcc9ef935a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#9  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fbcd215f700 (LWP 9373)):
#0  0x00007fbcec2c3424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fbcec315328 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007fbcec3153e7 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fbcec31562e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fbcee3f8d04 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fbcee3a1b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fbcee1e5569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fbcefee5e7b in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fbce483f700 (LWP 9311)):
#0  0x00007fbcedebc7a4 in read () at /usr/lib/libc.so.6
#1  0x00007fbcec2c3971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fbcec3140b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fbcec3154e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fbcec31562e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fbcee3f8d04 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fbcee3a1b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fbcee1e5569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fbcefc1f969 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fbce5a57700 (LWP 9270)):
#0  0x00007fbcec2c3424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fbcec315458 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fbcec31562e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fbcee3f8d04 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fbcee3a1b2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fbcee1e5569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fbceec8cba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fbcee1e696c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fbced2a7a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fbcedecbb23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fbcef907680 (LWP 9120)):
[KCrash Handler]
#6  0x0000000000000051 in  ()
#7  0x00007fbcf00acb17 in QQuickItemViewTransitionableItem::startTransition(QQuickItemViewTransitioner*, int) () at /usr/lib/libQt5Quick.so.5
#8  0x00007fbce6133c0c in  () at /usr/lib/libQt5QuickTemplates2.so.5
#9  0x00007fbce6132042 in QQuickStackView::replace(QQmlV4Function*) () at /usr/lib/libQt5QuickTemplates2.so.5
#10 0x00007fbce615a0bd in  () at /usr/lib/libQt5QuickTemplates2.so.5
#11 0x00007fbce615a613 in QQuickStackView::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libQt5QuickTemplates2.so.5
#12 0x00007fbcefb6d44f in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#13 0x00007fbcefbc3e0e in  () at /usr/lib/libQt5Qml.so.5
#14 0x00007fbcefac93af in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () at /usr/lib/libQt5Qml.so.5
#15 0x00007fbcefb4fc45 in QV4::Runtime::method_callProperty(QV4::ExecutionEngine*, QV4::Value*, int, QV4::Value*, int) () at /usr/lib/libQt5Qml.so.5
#16 0x00007fbcbc068391 in  ()
#17 0x0000000000000000 in  ()
[Inferior 1 (process 9120) detached]

Reported using DrKonqi