Bug 376328

Application: plasmashell (5.9.1)

Qt Version: 5.8.0
Frameworks Version: 5.30.0
Operating System: Linux 4.9.8-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I just click the button on the destop and Plasma crashes everytime.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe776777800 (LWP 904))]

Thread 9 (Thread 0x7fe69b5ef700 (LWP 7066)):
#0  0x00007fe76ac8c999 in g_private_get () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe76ac6f5d0 in g_thread_self () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe76ac4665c in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe76ac47635 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fe773653025 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fe6ae9c3700 (LWP 1170)):
#0  0x00007fe76ac44777 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe76ac46c2b in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe76ac476ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fe6c132f700 (LWP 1140)):
#0  0x00007fe76ac8cdb0 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe76ac46c95 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe76ac476ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe774207fd6 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fe74bfff700 (LWP 1139)):
#0  0x00007fe76f3ed10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fe775efd234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fe775efd279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fe756177700 (LWP 1133)):
#0  0x00007fe76ac8cdd2 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe76ac4762d in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fe773653025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fe757fff700 (LWP 1008)):
#0  0x00007fe76fe3e02f in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007fe76fe28482 in poll () at /usr/lib/libc.so.6
#2  0x00007fe76ac47786 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe773653025 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fe75df8c700 (LWP 939)):
#0  0x00007fe76fe2848d in poll () at /usr/lib/libc.so.6
#1  0x00007fe76ac47786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe76ac4789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe77074c06b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fe7706f589a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fe770517a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fe77129c125 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fe75fbe6700 (LWP 929)):
#0  0x00007fe76fe2848d in poll () at /usr/lib/libc.so.6
#1  0x00007fe774e238e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fe774e25679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fe761b25239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fe77051c6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe76f3e7454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe76fe317df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fe776777800 (LWP 904)):
[KCrash Handler]
#6  0x00007fe7742b2de1 in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5
#7  0x00007fe7742b2dea in QQuickItemPrivate::setEffectiveVisibleRecur(bool) () at /usr/lib/libQt5Quick.so.5
#8  0x00007fe7742b2f44 in QQuickItem::setVisible(bool) () at /usr/lib/libQt5Quick.so.5
#9  0x00007fe7762304bc in  () at /usr/lib/libKF5PlasmaQuick.so.5
#10 0x00007fe776231bee in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#11 0x00007fe77166534c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007fe77166cb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#13 0x00007fe7706f7440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#14 0x00007fe770c4e78e in QWindow::setVisible(bool) () at /usr/lib/libQt5Gui.so.5
#15 0x00007fe77622ddd4 in PlasmaQuick::Dialog::setVisible(bool) () at /usr/lib/libKF5PlasmaQuick.so.5
#16 0x00007fe776230c48 in  () at /usr/lib/libKF5PlasmaQuick.so.5
#17 0x00007fe77623238b in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libKF5PlasmaQuick.so.5
#18 0x00007fe7735c6ac9 in  () at /usr/lib/libQt5Qml.so.5
#19 0x00007fe7735c5498 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#20 0x00007fe77358fb7b in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#21 0x00007fe773590390 in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007fe7735904a6 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#23 0x00007fe7735a0f56 in QV4::Runtime::method_setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#24 0x00007fe74b5aff42 in  ()
#25 0x000000000264dbd0 in  ()
#26 0x00007fe74b5b0504 in  ()
#27 0x00000000047dca50 in  ()
#28 0x0003400000000001 in  ()
#29 0x00000000000004fa in  ()
#30 0x0003400000000000 in  ()
#31 0x00007ffff4b71920 in  ()
#32 0x0000000000000000 in  ()

Reported using DrKonqi