https://bugs.kde.org/show_bug.cgi?id=361269

            Bug ID: 361269
           Summary: KWin crashes (black screen with mouse cursor)
           Product: kwin
           Version: 5.5.5
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: shrajto...@gmail.com

Application: kwin_x11 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.15-8-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

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

I just started the system normally...

- Unusual behavior I noticed:

After the openSUSE loading logo the applications didn't start as expected. I
was asked for KWallet password and after closing this dialog there were no more
windows, only black screen with cursor.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7feec2f9a800 (LWP 1799))]

Thread 6 (Thread 0x7feea288f700 (LWP 1811)):
#0  0x00007feec2916253 in select () at /lib64/libc.so.6
#1  0x00007feec0746179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007feec0747af5 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007feec0747f3b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007feec06f0d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007feec051261a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007feebaa18df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007feec051732f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007feec1f480a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007feec291cfed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fee926ad700 (LWP 1861)):
#0  0x00007feec1f4c03f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007feea1185a13 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007feea1185197 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007feec1f480a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007feec291cfed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fee910dd700 (LWP 1869)):
#0  0x00007feec1f4c03f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007feebf49c86b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007feebf49c899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007feec1f480a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007feec291cfed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7feea35ef700 (LWP 2404)):
#0  0x00007feec2916253 in select () at /lib64/libc.so.6
#1  0x00007feec0746179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007feec0747af5 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007feec0747f3b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007feec06f0d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007feec051261a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007feebaa18df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007feec051732f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007feec1f480a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007feec291cfed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fee91b0e700 (LWP 2405)):
#0  0x00007feec2916253 in select () at /lib64/libc.so.6
#1  0x00007feec0746179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*,
timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007feec0747af5 in
QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>,
timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007feec0747f3b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007feec06f0d53 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007feec051261a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007feebaa18df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007feec051732f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007feec1f480a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007feec291cfed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7feec2f9a800 (LWP 1799)):
[KCrash Handler]
#6  0x00007feebf7fc264 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#7  0x00007feebf7f5543 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#8  0x00007feebf861018 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#9  0x00007feec0722cc6 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#10 0x00007feebfcbaf27 in
KWin::EffectsHandler::windowGeometryShapeChanged(KWin::EffectWindow*, QRect
const&) () at /usr/lib64/libkwineffects.so.7
#11 0x00007feec072273f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#12 0x00007feec2591407 in KWin::Toplevel::geometryShapeChanged(KWin::Toplevel*,
QRect const&) () at /usr/lib64/libkwin.so.5
#13 0x00007feec245078c in  () at /usr/lib64/libkwin.so.5
#14 0x00007feec24b91d6 in  () at /usr/lib64/libkwin.so.5
#15 0x00007feec24ba53c in KWin::AbstractClient::blockGeometryUpdates(bool) ()
at /usr/lib64/libkwin.so.5
#16 0x00007feec24bafbe in  () at /usr/lib64/libkwin.so.5
#17 0x00007feec24be465 in KWin::AbstractClient::checkWorkspacePosition(QRect,
int, QRect) () at /usr/lib64/libkwin.so.5
#18 0x00007feec24c29be in KWin::Workspace::updateClientArea(bool) () at
/usr/lib64/libkwin.so.5
#19 0x00007feec0722cc6 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#20 0x00007feec259172c in  () at /usr/lib64/libkwin.so.5
#21 0x00007feebf860fd5 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#22 0x00007feec0722cc6 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#23 0x00007feec0722cc6 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#24 0x00007feeba982e37 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int,
void**) () at /usr/lib64/libQt5Qml.so.5
#25 0x00007feeba981b97 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int,
void**) () at /usr/lib64/libQt5Qml.so.5
#26 0x00007feeba981b97 in QQmlVMEMetaObject::metaCall(QMetaObject::Call, int,
void**) () at /usr/lib64/libQt5Qml.so.5
#27 0x00007feeba9d8ca9 in  () at /usr/lib64/libQt5Qml.so.5
#28 0x00007feeba95c612 in  () at /usr/lib64/libQt5Qml.so.5
#29 0x00007feeba95ce53 in  () at /usr/lib64/libQt5Qml.so.5
#30 0x00007feeba95d92f in QV4::QObjectMethod::callInternal(QV4::CallData*) ()
at /usr/lib64/libQt5Qml.so.5
#31 0x00007feeba972235 in QV4::Runtime::callProperty(QV4::ExecutionEngine*,
int, QV4::CallData*) () at /usr/lib64/libQt5Qml.so.5
#32 0x00007fee080030a5 in  ()
#33 0x000000000285e730 in  ()
#34 0x00007fedff6259c8 in  () at
/usr/lib64/qt5/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#35 0x0000000002796950 in  ()
#36 0x0000000002796950 in  ()
#37 0x00007fedfe316120 in  ()
#38 0x00007fedfe316120 in  ()
#39 0x0000000002796950 in  ()
#40 0x0000000002844e00 in  ()
#41 0x00007feec2bda620 in main_arena () at /lib64/libc.so.6
#42 0x0000000000000018 in  ()
#43 0x00007feec07abb90 in QListData::shared_null () at
/usr/lib64/libQt5Core.so.5
#44 0x00007feebad5b7c0 in  () at /usr/lib64/libQt5Qml.so.5
#45 0x00007fedfe3160f8 in  ()
#46 0x0000000002796950 in  ()
#47 0x00007ffe58d814e0 in  ()
#48 0x00007fee08d7ee60 in  ()
#49 0x0000000000000000 in  ()

Reported using DrKonqi

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