https://bugs.kde.org/show_bug.cgi?id=358721

            Bug ID: 358721
           Summary: Plasma5 crash changing sessions
           Product: plasmashell
           Version: 5.4.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: i...@ivor.org
                CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
I'm frequently getting plasma5 crashes when switching between user sessions.

Note: this is using the NVidia binary drivers. I will see if changing the
drivers or disabling compositing has any effect.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f08f9186800 (LWP 19084))]

Thread 7 (Thread 0x7f08e1183700 (LWP 19086)):
#0  0x00007f08f2660c1d in poll () at /lib64/libc.so.6
#1  0x00007f08f75e7422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f08f75e900f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f08e393c3c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f08f2d5f32f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f08d9fcb700 (LWP 19092)):
#0  0x00007f08f1e5e300 in pthread_mutex_lock () at /lib64/libpthread.so.0
#1  0x00007f08ee107fcc in  () at /usr/X11R6/lib64/libGL.so.1
#2  0x00007f08ee10cb11 in  () at /usr/X11R6/lib64/libGL.so.1
#3  0x00007f08ee10cfbb in  () at /usr/X11R6/lib64/libGL.so.1
#4  0x00007f08ea75dff0 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#5  0x00007f08eed18b60 in  () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f08eecd7999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#7  0x00007f08eecd7df8 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f08eecd7f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#9  0x00007f08f2f91d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#10 0x00007f08f2f38d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#11 0x00007f08f2d5a61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f08f607cdf8 in  () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f08f2d5f32f in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f08ce2cb700 (LWP 19095)):
#0  0x00007f08f1e627bc in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f08f1e5e4a4 in _L_lock_986 () at /lib64/libpthread.so.0
#2  0x00007f08f1e5e306 in pthread_mutex_lock () at /lib64/libpthread.so.0
#3  0x00007f08ee107fcc in  () at /usr/X11R6/lib64/libGL.so.1
#4  0x00007f08ee10cb11 in  () at /usr/X11R6/lib64/libGL.so.1
#5  0x00007f08ee10d018 in  () at /usr/X11R6/lib64/libGL.so.1
#6  0x00007f08ea75e001 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#7  0x00007f08eed18b60 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f08eecd7999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#9  0x00007f08eecd7df8 in  () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f08eecd7f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#11 0x00007f08f2f91d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#12 0x00007f08f2f38d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#13 0x00007f08f2d5a61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#14 0x00007f08f607cdf8 in  () at /usr/lib64/libQt5Qml.so.5
#15 0x00007f08f2d5f32f in  () at /usr/lib64/libQt5Core.so.5
#16 0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#17 0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f08c7fff700 (LWP 19098)):
#0  0x00007f08f1e627bc in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f08f1e5e4a4 in _L_lock_986 () at /lib64/libpthread.so.0
#2  0x00007f08f1e5e306 in pthread_mutex_lock () at /lib64/libpthread.so.0
#3  0x00007f08ee107fcc in  () at /usr/X11R6/lib64/libGL.so.1
#4  0x00007f08ee10cb11 in  () at /usr/X11R6/lib64/libGL.so.1
#5  0x00007f08ee10d018 in  () at /usr/X11R6/lib64/libGL.so.1
#6  0x00007f08ea75e001 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#7  0x00007f08eed18b60 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f08eecd7999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#9  0x00007f08eecd7df8 in  () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f08eecd7f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#11 0x00007f08f2f91d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#12 0x00007f08f2f38d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#13 0x00007f08f2d5a61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#14 0x00007f08f607cdf8 in  () at /usr/lib64/libQt5Qml.so.5
#15 0x00007f08f2d5f32f in  () at /usr/lib64/libQt5Core.so.5
#16 0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#17 0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f08c6df3700 (LWP 19099)):
#0  0x00007f08f1e6005f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f08f885786b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f08f8857899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f08bffff700 (LWP 19100)):
#0  0x00007f08f1e627bc in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f08f1e5e4a4 in _L_lock_986 () at /lib64/libpthread.so.0
#2  0x00007f08f1e5e306 in pthread_mutex_lock () at /lib64/libpthread.so.0
#3  0x00007f08ee107fcc in  () at /usr/X11R6/lib64/libGL.so.1
#4  0x00007f08ee10cb11 in  () at /usr/X11R6/lib64/libGL.so.1
#5  0x00007f08ee10cfbb in  () at /usr/X11R6/lib64/libGL.so.1
#6  0x00007f08ea75dff0 in  () at /usr/lib64/tls/libnvidia-tls.so.352.79
#7  0x00007f08eed18b60 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f08eecd7999 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#9  0x00007f08eecd7df8 in  () at /usr/lib64/libglib-2.0.so.0
#10 0x00007f08eecd7f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#11 0x00007f08f2f91d8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#12 0x00007f08f2f38d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#13 0x00007f08f2d5a61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#14 0x00007f08f6c1f282 in  () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f08f2d5f32f in  () at /usr/lib64/libQt5Core.so.5
#16 0x00007f08f1e5c0a4 in start_thread () at /lib64/libpthread.so.0
#17 0x00007f08f266904d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f08f9186800 (LWP 19084)):
[KCrash Handler]
#6  0x00007f08f25b9187 in raise () at /lib64/libc.so.6
#7  0x00007f08f25ba538 in abort () at /lib64/libc.so.6
#8  0x00007f08f2d4d7ce in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f08f6c8cf01 in  () at /usr/lib64/libQt5Quick.so.5
#10 0x00007f08f6c95d79 in  () at /usr/lib64/libQt5Quick.so.5
#11 0x00007f08f6c9616b in  () at /usr/lib64/libQt5Quick.so.5
#12 0x00007f08f3498a09 in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#13 0x00007f08f6cc7161 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#14 0x00000000004408e6 in DesktopView::event(QEvent*) ()
#15 0x00007f08f42c7e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f08f42cccc8 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#17 0x00007f08f2f3ae95 in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#18 0x00007f08f3491474 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib64/libQt5Gui.so.5
#19 0x00007f08f349208d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#20 0x00007f08f3477118 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#21 0x00007f08e3967200 in  () at /usr/lib64/libQt5XcbQpa.so.5
#22 0x00007f08eecd7c84 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#23 0x00007f08eecd7ed8 in  () at /usr/lib64/libglib-2.0.so.0
#24 0x00007f08eecd7f7c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#25 0x00007f08f2f91d6c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#26 0x00007f08f2f38d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#27 0x00007f08f2f408f6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#28 0x000000000043467b in main ()

Reported using DrKonqi

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