Bug 380829

Application: kwin_x11 (5.8.6)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.62-18.6-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- I was just entering the kde session. A Konsole, the Ksysguard and Doplhin are the program that starts with the session. Konsole has failed.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbad1324940 (LWP 3048))]

Thread 5 (Thread 0x7fbaa6b95700 (LWP 3111)):
[KCrash Handler]
#6  0x00007fbace0acf1d in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fbace04f77c in QLockFile::tryLock(int) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbacfe58879 in  () at /usr/lib64/libKF5ConfigCore.so.5
#9  0x00007fbacfe45313 in KConfig::sync() () at /usr/lib64/libKF5ConfigCore.so.5
#10 0x00007fbab5573c6c in  () at /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#11 0x00007fbace13d1c3 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#12 0x00007fbace14a112 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fbace13df34 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbacee19e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007fbacee1e49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007fbace112fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007fbace162c7e in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#18 0x00007fbace1615c8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#19 0x00007fbace110fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#20 0x00007fbacdf4bf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#21 0x00007fbacdf509e9 in  () at /usr/lib64/libQt5Core.so.5
#22 0x00007fbad0d58744 in start_thread () at /lib64/libpthread.so.0
#23 0x00007fbad0a96d3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fbaa7c46700 (LWP 3110)):
#0  0x00007fbad0a8fb03 in select () at /lib64/libc.so.6
#1  0x00007fbace15f849 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fbace1610c3 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fbace161527 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbace110fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbacdf4bf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbac8b369c8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fbacdf509e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbad0d58744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fbad0a96d3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fbab5f92700 (LWP 3062)):
#0  0x00007fbad0a8fb03 in select () at /lib64/libc.so.6
#1  0x00007fbace15f849 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fbace1610c3 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fbace161527 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fbace110fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbacdf4bf1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbac7d171d5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007fbacdf509e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fbad0d58744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fbad0a96d3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fbab7e70700 (LWP 3049)):
#0  0x00007fbad0a8e49d in poll () at /lib64/libc.so.6
#1  0x00007fbacfc123e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fbacfc13fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fbab8b20839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007fbacdf509e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fbad0d58744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fbad0a96d3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fbad1324940 (LWP 3048)):
#0  0x00007fbad0d5d0bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fbacdf5165b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fbacdf505e6 in QThread::wait(unsigned long) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fbab5573a92 in KWin::X11StandalonePlatform::createOpenGLSafePoint(KWin::Platform::OpenGLSafePoint) () at /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#4  0x00007fbad063003a in KWin::Compositor::performCompositing() () at /usr/lib64/libkwin.so.5
#5  0x00007fbace13df34 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fbacee19e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#7  0x00007fbacee1e49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#8  0x00007fbace112fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fbace162c7e in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#10 0x00007fbace1615c8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007fbab8b8294d in  () at /usr/lib64/libQt5XcbQpa.so.5
#12 0x00007fbace110fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#13 0x00007fbace118ec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#14 0x00007fbad0f769cc in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#15 0x00007fbad09cd6e5 in __libc_start_main () at /lib64/libc.so.6
#16 0x0000000000400809 in _start ()

Reported using DrKonqi