Application: plasmashell (5.9.5)
 (Compiled from sources)
Qt Version: 5.7.1
Frameworks Version: 5.34.0
Operating System: Linux 4.12.3-gentoo x86_64
Distribution: "NAME=Gentoo"

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

I was customising my desktop and moved my widgets (default cpu/disks/network surveillance) from external screen to internal one.

- Unusual behavior I noticed:
As soon as the widget touches the edge of the screen, plasma freezes for a second or two and then restarts or leaves a black screen with only mouse cursor, the widget disapears afterwards.

- Custom settings of the application:
on a gentoo on asus n501vw using intel drivers for xorg and nvidia drivers installed as well 
using breeze/oxygen themes.

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 0x7f2731305840 (LWP 1146))]

Thread 8 (Thread 0x7f267f2e3700 (LWP 1326)):
#0  0x00007f272767ba90 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f272767c5a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f272c5e4c8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f272c3fbf74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f265dfbca57 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#7  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f267ea02700 (LWP 1321)):
#0  0x00007f272bca2afd in read () from /lib64/libc.so.6
#1  0x00007f27276c0700 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f272767c102 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f272767c620 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f272c5e4c8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f272c3fbf74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f272f2d88a6 in ?? () from /usr/lib64/libQt5Quick.so.5
#9  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f2708fa9700 (LWP 1313)):
#0  0x00007f272b279f2f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f2730d58584 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f2730d585c9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f270af99700 (LWP 1286)):
#0  0x00007f272bca6b0d in poll () from /lib64/libc.so.6
#1  0x00007f272767c67c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f272c5e4c8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f272c3fbf74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f272e954a25 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f2718f52700 (LWP 1250)):
#0  0x00007f272c3ff201 in ?? () from /usr/lib64/libQt5Core.so.5
#1  0x00007f272c5e4b2a in ?? () from /usr/lib64/libQt5Core.so.5
#2  0x00007f272767bb4d in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f272767c5a8 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f272c5e4c8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f272c3fbf74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f272e954a25 in ?? () from /usr/lib64/libQt5Qml.so.5
#9  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f271a997700 (LWP 1190)):
#0  0x00007f272bca2afd in read () from /lib64/libc.so.6
#1  0x00007f27276c0700 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f272767c102 in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f272767c620 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f272c5e4c8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f272c3fbf74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f27314226a5 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f271c1ba700 (LWP 1161)):
#0  0x00007f272bca6b0d in poll () from /lib64/libc.so.6
#1  0x00007f272fca38f2 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f272fca56df in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f271dcdbb59 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f272c4001bc in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007f272b274384 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f272bcafbad in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f2731305840 (LWP 1146)):
[KCrash Handler]
#6  0x00007f2680c5c9ca in ?? () from /usr/lib64/qt5/qml/org/kde/kquickcontrolsaddons/libkquickcontrolsaddonsplugin.so
#7  0x00007f272c5be022 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f272f37220e in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib64/libQt5Quick.so.5
#9  0x00007f272f33f605 in ?? () from /usr/lib64/libQt5Quick.so.5
#10 0x00007f272f37cb87 in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5
#11 0x00007f272cdc5a9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#12 0x00007f272cdcd44e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#13 0x00007f272c59794a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#14 0x00007f272c8d0c0e in QWindowPrivate::deliverUpdateRequest() () from /usr/lib64/libQt5Gui.so.5
#15 0x00007f272c8d1159 in QWindow::event(QEvent*) () from /usr/lib64/libQt5Gui.so.5
#16 0x00007f272f37cb35 in QQuickWindow::event(QEvent*) () from /usr/lib64/libQt5Quick.so.5
#17 0x00007f272cdc5a9c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#18 0x00007f272cdcd44e in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#19 0x00007f272c59794a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#20 0x00007f272c5e4263 in QTimerInfoList::activateTimers() () from /usr/lib64/libQt5Core.so.5
#21 0x00007f272c5e47e1 in ?? () from /usr/lib64/libQt5Core.so.5
#22 0x00007f272767c3fd in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f272767c6e0 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f272767c78c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f272c5e4c6f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#26 0x00007f272c5968fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#27 0x00007f272c59e30c in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#28 0x000000000041cb08 in ?? ()
#29 0x00007f272bbe8650 in __libc_start_main () from /lib64/libc.so.6
#30 0x000000000041ce89 in _start ()

Possible duplicates by query: bug 382625, bug 382103, bug 381981, bug 381503, bug 380046.

Reported using DrKonqi