https://bugs.kde.org/show_bug.cgi?id=374282
Bug ID: 374282
Summary: KWin crashes after loggin in using LightDM
Product: kwin
Version: 5.8.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: platform-x11-standalone
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Application: kwin_x11 (5.8.5)
Qt Version: 5.7.1
Frameworks Version: 5.29.0
Operating System: Linux 4.8.13-1-ARCH x86_64
Distribution: "Arch Linux"
-- Information about the crash:
Logged in with LightDM, waiting for plasma to start, then crash.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd72df7a840 (LWP 891))]
Thread 9 (Thread 0x7fd6f504c700 (LWP 2013)):
#0 0x00007fd726c5a4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd72ae60ae6 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fd72ae5c1e4 in () at /usr/lib/libQt5Core.so.5
#3 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#4 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 8 (Thread 0x7fd6f5c5d700 (LWP 2012)):
#0 0x00007fd726c5a10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd729fd01f4 in () at /usr/lib/libQt5Script.so.5
#2 0x00007fd729fd0239 in () at /usr/lib/libQt5Script.so.5
#3 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#4 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 7 (Thread 0x7fd6f667f700 (LWP 2007)):
#0 0x00007fd726c5a4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd72ae60ae6 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fd72ae5c1e4 in () at /usr/lib/libQt5Core.so.5
#3 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#4 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 6 (Thread 0x7fd70b5ef700 (LWP 2006)):
#0 0x00007fd726c5a4b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd72ae60ae6 in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fd72ae5c1e4 in () at /usr/lib/libQt5Core.so.5
#3 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#4 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 5 (Thread 0x7fd70976e700 (LWP 1158)):
[KCrash Handler]
#6 0x00007fd72af6a908 in QLockFile::tryLock(int) () at
/usr/lib/libQt5Core.so.5
#7 0x00007fd72cd72339 in () at /usr/lib/libKF5ConfigCore.so.5
#8 0x00007fd72cd56310 in KConfig::sync() () at /usr/lib/libKF5ConfigCore.so.5
#9 0x00007fd710d11df5 in () at
/usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#10 0x00007fd72b06643e in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#11 0x00007fd72b073148 in QTimer::timerEvent(QTimerEvent*) () at
/usr/lib/libQt5Core.so.5
#12 0x00007fd72b066ee3 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#13 0x00007fd72bd1435c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#14 0x00007fd72bd1bad1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#15 0x00007fd72b03a8e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#16 0x00007fd72b08e25e in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#17 0x00007fd72b08c16a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#18 0x00007fd72b038d3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#19 0x00007fd72ae5b063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#20 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#21 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 4 (Thread 0x7fd70a76f700 (LWP 1014)):
#0 0x00007fd72d9db551 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fd72b08a5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fd72b08befa in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fd72b038d3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fd72ae5b063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fd7259aee75 in () at /usr/lib/libQt5Qml.so.5
#6 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 3 (Thread 0x7fd711bce700 (LWP 976)):
#0 0x00007fd72d9db551 in ppoll () at /usr/lib/libc.so.6
#1 0x00007fd72b08a5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2 0x00007fd72b08befa in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3 0x00007fd72b038d3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4 0x00007fd72ae5b063 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5 0x00007fd724b78de5 in () at /usr/lib/libQt5DBus.so.5
#6 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#7 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#8 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 2 (Thread 0x7fd71387e700 (LWP 975)):
#0 0x00007fd72d9db48d in poll () at /usr/lib/libc.so.6
#1 0x00007fd72cb1b8e0 in () at /usr/lib/libxcb.so.1
#2 0x00007fd72cb1d679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3 0x00007fd71432a789 in () at /usr/lib/libQt5XcbQpa.so.5
#4 0x00007fd72ae5fcf8 in () at /usr/lib/libQt5Core.so.5
#5 0x00007fd726c54454 in start_thread () at /usr/lib/libpthread.so.0
#6 0x00007fd72d9e47df in clone () at /usr/lib/libc.so.6
Thread 1 (Thread 0x7fd72df7a840 (LWP 891)):
#0 0x00007fd726c5a10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1 0x00007fd72ae60bab in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2 0x00007fd72ae5f89e in QThread::wait(unsigned long) () at
/usr/lib/libQt5Core.so.5
#3 0x00007fd710d11a9e in
KWin::X11StandalonePlatform::createOpenGLSafePoint(KWin::Platform::OpenGLSafePoint)
() at /usr/lib/qt/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#4 0x00007fd72d565b36 in KWin::Compositor::performCompositing() () at
/usr/lib/libkwin.so.5
#5 0x00007fd72b066ee3 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#6 0x00007fd72bd1435c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#7 0x00007fd72bd1bad1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#8 0x00007fd72b03a8e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#9 0x00007fd72b08e25e in QTimerInfoList::activateTimers() () at
/usr/lib/libQt5Core.so.5
#10 0x00007fd72b08c16a in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#11 0x00007fd7143a3ddd in () at /usr/lib/libQt5XcbQpa.so.5
#12 0x00007fd72b038d3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#13 0x00007fd72b04123c in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#14 0x00007fd72dca3495 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#15 0x00007fd72d91c291 in __libc_start_main () at /usr/lib/libc.so.6
#16 0x000000000040069a in _start ()
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