https://bugs.kde.org/show_bug.cgi?id=383100

            Bug ID: 383100
           Summary: KWin Crashes
           Product: kwin
           Version: 5.8.7
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: jlm...@compuserve.com
  Target Milestone: ---

Application: kwin_x11 (5.8.7)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.76-1-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- Unusual behavior I noticed:KWin crashes after login in to desktop

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e0862b940 (LWP 5744))]

Thread 5 (Thread 0x7f9dd8d2a700 (LWP 9579)):
[KCrash Handler]
#6  0x00007f9dfdb84569 in glGetIntegerv () at /usr/X11R6/lib64/libGL.so.1
#7  0x00007f9e00504b80 in QSGRenderContext::initialize(QOpenGLContext*) () at
/usr/lib64/libQt5Quick.so.5
#8  0x00007f9e0051e4f1 in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007f9e05294a29 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f9dfd936754 in  () at /usr/X11R6/lib64/libGL.so.1
#11 0x00007f9e0809f744 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f9e07dddaad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f9dd23ab700 (LWP 5881)):
#0  0x00007f9e080a40bf in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f9e0442393b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f9e04423969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f9dfd936754 in  () at /usr/X11R6/lib64/libGL.so.1
#4  0x00007f9e0809f744 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f9e07dddaad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f9dd3dbc700 (LWP 5877)):
#0  0x00007f9e07dd6873 in select () at /lib64/libc.so.6
#1  0x00007f9e054a36c9 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f9e054a4f43 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f9e054a53a7 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f9e05454bfb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f9e0528ff5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f9dffe473d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f9e05294a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f9dfd936754 in  () at /usr/X11R6/lib64/libGL.so.1
#9  0x00007f9e0809f744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f9e07dddaad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9defad0700 (LWP 5782)):
#0  0x00007f9e07dd128d in read () at /lib64/libc.so.6
#1  0x00007f9dfd93573c in  () at /usr/X11R6/lib64/libGL.so.1
#2  0x00007f9df7a10bf7 in  () at /usr/lib64/tls/libnvidia-tls.so.304.135
#3  0x00007f9dfe0db750 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f9dfe09ae49 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#5  0x00007f9dfe09b2a8 in  () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f9dfe09b42c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#7  0x00007f9e054a71ab in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#8  0x00007f9e05454bfb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f9e0528ff5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#10 0x00007f9dff01d295 in  () at /usr/lib64/libQt5DBus.so.5
#11 0x00007f9e05294a29 in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007f9dfd936754 in  () at /usr/X11R6/lib64/libGL.so.1
#13 0x00007f9e0809f744 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f9e07dddaad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f9e0862b940 (LWP 5744)):
#0  0x00007f9e080a40bf in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f9e0529569b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib64/libQt5Core.so.5
#2  0x00007f9e0051ea90 in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f9e0051f874 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f9e00520413 in  () at /usr/lib64/libQt5Quick.so.5
#5  0x00007f9e059acace in QWindow::event(QEvent*) () at
/usr/lib64/libQt5Gui.so.5
#6  0x00007f9e005528e5 in QQuickWindow::event(QEvent*) () at
/usr/lib64/libQt5Quick.so.5
#7  0x00007f9dd0af668b in PlasmaQuick::Dialog::event(QEvent*) () at
/usr/lib64/libKF5PlasmaQuick.so.5
#8  0x00007f9e0615728c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#9  0x00007f9e0615b8ea in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#10 0x00007f9e05456be5 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#11 0x00007f9e059a2591 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
() at /usr/lib64/libQt5Gui.so.5
#12 0x00007f9e059a307d in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib64/libQt5Gui.so.5
#13 0x00007f9e05984eab in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib64/libQt5Gui.so.5
#14 0x00007f9ded816e46 in  () at /usr/lib64/libQt5XcbQpa.so.5
#15 0x00007f9e05454bfb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#16 0x00007f9e0545cae6 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#17 0x00007f9e082bd9cc in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#18 0x00007f9e07d146e5 in __libc_start_main () at /lib64/libc.so.6
#19 0x0000000000400809 in _start ()

Reported using DrKonqi

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