Application: plasmashell (5.10.3)

Qt Version: 5.9.1
Frameworks Version: 5.35.0
Operating System: Linux 4.11.7-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Plasma freezes or crashes frquently when adding widgets to panels or moving them around.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f768f2eb380 (LWP 937))]

Thread 12 (Thread 0x7f7564c52700 (LWP 5807)):
#0  0x00007f768373ca29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f760c in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7ba0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f768c1961e5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f75937fe700 (LWP 5432)):
#0  0x00007f768893424d in poll () at /usr/lib/libc.so.6
#1  0x00007f76836f7bf9 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7f92 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f75d1f6a426 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f768371eac5 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f759a661700 (LWP 5431)):
#0  0x00007f768373ca44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f73d9 in g_main_context_query () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7b77 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76836f7d51 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f768371eac5 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f7593fff700 (LWP 2579)):
#0  0x00007f767cc545c5 in pa_fdsem_before_poll () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#1  0x00007f767cc6c217 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f767d2dd99c in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#3  0x00007f767d2ddd9c in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007f767d2dde40 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007f767d2ebe29 in  () at /usr/lib/libpulse.so.0
#6  0x00007f767cc7bfe8 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#7  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f75af262700 (LWP 1268)):
#0  0x00007f768892ffbd in read () at /usr/lib/libc.so.6
#1  0x00007f768373b6f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f76db in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7ba0 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f75b08e8427 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#9  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f75da419700 (LWP 1194)):
#0  0x00007f768373ca20 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f7143 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7b2b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f768cd4e8d6 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f7669d5e700 (LWP 1193)):
#0  0x00007f76881f839d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f768ea69b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f768ea69b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f766b9b3700 (LWP 1158)):
#0  0x00007f768373ca29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f7786 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7c78 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f768c1961e5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f767176a700 (LWP 994)):
#0  0x00007f768373b6c1 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f76db in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7ba0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f768c1961e5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f76731b4700 (LWP 963)):
#0  0x00007f76836f707f in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007f76836f7b2b in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f76836f7d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f76892614eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f7689206efa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f768902679a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f7689681d45 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7679267700 (LWP 956)):
#0  0x00007f768893424d in poll () at /usr/lib/libc.so.6
#1  0x00007f768d9778e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f768d979679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f767b7e1e99 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f768902b37d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f76881f2297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f768893e1ef in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f768f2eb380 (LWP 937)):
[KCrash Handler]
#5  0x00007f768d514dd1 in  () at /usr/lib/libKF5Plasma.so.5
#6  0x00007f768d51307e in  () at /usr/lib/libKF5Plasma.so.5
#7  0x00007f768d5132cf in Plasma::FrameSvg::mask() const () at /usr/lib/libKF5Plasma.so.5
#8  0x00007f768ed9c3fa in  () at /usr/lib/libKF5PlasmaQuick.so.5
#9  0x00007f768ed9dc7c in  () at /usr/lib/libKF5PlasmaQuick.so.5
#10 0x00007f768ed9e6cb in  () at /usr/lib/libKF5PlasmaQuick.so.5
#11 0x00007f768eda02a2 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#12 0x00007f768a1b946c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f768a1c0cf4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f7689208a28 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#15 0x00007f7689a008fe in QWindow::setVisible(bool) () at /usr/lib/libQt5Gui.so.5
#16 0x00007f768ed9c0cd in PlasmaQuick::Dialog::setVisible(bool) () at /usr/lib/libKF5PlasmaQuick.so.5
#17 0x00007f768ed9fb29 in  () at /usr/lib/libKF5PlasmaQuick.so.5
#18 0x00007f768eda124a in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libKF5PlasmaQuick.so.5
#19 0x00007f768c103b13 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#20 0x00007f768c0cc80e in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f768c0cd4b6 in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f768c0cd5c9 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#23 0x00007f768c0dc0dc in QV4::Runtime::method_setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#24 0x00007f75982530fd in  ()
#25 0x000000000197f410 in  ()
#26 0x00007fffb0b56480 in  ()
#27 0x0000000008092c50 in  ()
#28 0x0000000003db21a0 in  ()
#29 0x0000000000000000 in  ()

Reported using DrKonqi