Bug 397514

Application: kwin_x11 (5.13.4)

Qt Version: 5.11.1
Frameworks Version: 5.48.0
Operating System: Linux 4.17.13-1-default x86_64
Distribution (Platform): openSUSE RPMs

-- Information about the crash:
- What I was doing when the application crashed:
Booted my computer, then logged in. I have autostart for Ksysguard.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f39f0bd0880 (LWP 2816))]

Thread 5 (Thread 0x7f39cd19d700 (LWP 2924)):
#0  0x00007f39e95d74dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f39ec89676a in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f39ec89678b in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f39e95d1554 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f39f053eccf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f39ce3de700 (LWP 2907)):
#0  0x00007f39ed93c192 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib64/libQt5Core.so.5
#1  0x00007f39ed95fffe in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f39ed912b3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#3  0x00007f39ed771326 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#4  0x00007f39e805ab55 in ?? () from /usr/lib64/libQt5Qml.so.5
#5  0x00007f39ed77a8ec in ?? () from /usr/lib64/libQt5Core.so.5
#6  0x00007f39e95d1554 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f39f053eccf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f39d494b700 (LWP 2831)):
#0  0x00007f39f05343c6 in ppoll () from /lib64/libc.so.6
#1  0x00007f39ed95ee89 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () from /usr/lib64/libQt5Core.so.5
#2  0x00007f39ed960179 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#3  0x00007f39ed912b3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f39ed771326 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#5  0x00007f39e6f5af45 in ?? () from /usr/lib64/libQt5DBus.so.5
#6  0x00007f39ed77a8ec in ?? () from /usr/lib64/libQt5Core.so.5
#7  0x00007f39e95d1554 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f39f053eccf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f39d6df9700 (LWP 2821)):
#0  0x00007f39f05342c9 in poll () from /lib64/libc.so.6
#1  0x00007f39ef45b377 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f39ef45cf8a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f39d7efc089 in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f39ed77a8ec in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007f39e95d1554 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f39f053eccf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f39f0bd0880 (LWP 2816)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f39f005665d in KWin::Workspace::constrainedStackingOrder() () from /usr/lib64/libkwin.so.5
#8  0x00007f39f0056ea8 in KWin::Workspace::updateStackingOrder(bool) () from /usr/lib64/libkwin.so.5
#9  0x00007f39f00571b0 in KWin::Workspace::blockStackingUpdates(bool) () from /usr/lib64/libkwin.so.5
#10 0x00007f39f00095a5 in KWin::Client::releaseWindow(bool) () from /usr/lib64/libkwin.so.5
#11 0x00007f39f00623da in KWin::Client::unmapNotifyEvent(xcb_unmap_notify_event_t*) () from /usr/lib64/libkwin.so.5
#12 0x00007f39f0065a3b in KWin::Client::windowEvent(xcb_generic_event_t*) () from /usr/lib64/libkwin.so.5
#13 0x00007f39f00667ea in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () from /usr/lib64/libkwin.so.5
#14 0x00007f39ed911a7f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () from /usr/lib64/libQt5Core.so.5
#15 0x00007f39d7efd7b0 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () from /usr/lib64/libQt5XcbQpa.so.5
#16 0x00007f39d7efe353 in QXcbConnection::processXcbEvents() () from /usr/lib64/libQt5XcbQpa.so.5
#17 0x00007f39ed93c3f2 in QObject::event(QEvent*) () from /usr/lib64/libQt5Core.so.5
#18 0x00007f39ee692c11 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#19 0x00007f39ee699df0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#20 0x00007f39ed913d29 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#21 0x00007f39ed916bdb in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#22 0x00007f39ed96000b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#23 0x00007f39d7f8a8dd in ?? () from /usr/lib64/libQt5XcbQpa.so.5
#24 0x00007f39ed912b3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#25 0x00007f39ed91a8be in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#26 0x00007f39f080dd2b in kdemain () from /usr/lib64/libkdeinit5_kwin_x11.so
#27 0x00007f39f0466feb in __libc_start_main () from /lib64/libc.so.6
#28 0x0000563f437a37fa in _start ()

Possible duplicates by query: bug 396975, bug 394701, bug 392412, bug 391395, bug 389201.

Reported using DrKonqi