Bug 373604

Application: kwin_x11 (5.8.4)

Qt Version: 5.7.0
Frameworks Version: 5.28.0
Operating System: Linux 4.8.13-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Błąd występuje przy uruchamianiu różnych programów, przeglądarki, odtwarzacza do filmów. Z tego, co zauważyłem to tylko raz przy każdej sesji.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f837841e840 (LWP 1003))]

Thread 6 (Thread 0x7f82c711c700 (LWP 3238)):
#0  0x00007f8377e61551 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f837550ead9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f83755103c8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f83754bd24a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f83752e00f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f836fe562d5 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f83752e4d78 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f83710f8454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f8377e6a7df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f83549f8700 (LWP 1659)):
#0  0x00007f83710fe10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f8374454ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f8374454b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f83710f8454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f8377e6a7df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f8355a29700 (LWP 1629)):
#0  0x00007f8377e7702f in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f8377e61533 in ppoll () at /usr/lib/libc.so.6
#2  0x00007f837550ead9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#3  0x00007f83755103c8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f83754bd24a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f83752e00f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f836fe562d5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f83752e4d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f83710f8454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f8377e6a7df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f8357d6d700 (LWP 1211)):
#0  0x00007f8375510323 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#1  0x00007f83754bd24a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#2  0x00007f83752e00f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#3  0x00007f836f020e55 in  () at /usr/lib/libQt5DBus.so.5
#4  0x00007f83752e4d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f83710f8454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f8377e6a7df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f835dd11700 (LWP 1160)):
#0  0x00007f8377e6148d in poll () at /usr/lib/libc.so.6
#1  0x00007f8376fa18e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f8376fa3679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f835e7bd449 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f83752e4d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f83710f8454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f8377e6a7df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f837841e840 (LWP 1003)):
[KCrash Handler]
#6  0x00007f836fe41810 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f836fe42775 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#8  0x00007f836fe4c405 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f836fdd527e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib/libQt5Qml.so.5
#10 0x00007f836fdd5347 in QQmlComponentPrivate::completeCreate() () at /usr/lib/libQt5Qml.so.5
#11 0x00007f836fdd51b0 in QQmlComponent::create(QQmlContext*) () at /usr/lib/libQt5Qml.so.5
#12 0x00007f8355c67cfd in  () at /usr/lib/qt/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007f8377a7f61a in  () at /usr/lib/libkwin.so.5
#14 0x00007f83779467b2 in KWin::Client::createDecoration(QRect const&) () at /usr/lib/libkwin.so.5
#15 0x00007f8377947416 in KWin::Client::updateDecoration(bool, bool) () at /usr/lib/libkwin.so.5
#16 0x00007f83779b1b4d in KWin::Client::manage(unsigned int, bool) () at /usr/lib/libkwin.so.5
#17 0x00007f8377927e14 in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib/libkwin.so.5
#18 0x00007f837799b7f9 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib/libkwin.so.5
#19 0x00007f83754bc38f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib/libQt5Core.so.5
#20 0x00007f835e7bec14 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib/libQt5XcbQpa.so.5
#21 0x00007f835e7bf8a5 in QXcbConnection::processXcbEvents() () at /usr/lib/libQt5XcbQpa.so.5
#22 0x00007f83754eb4c9 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#23 0x00007f837619ee0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#24 0x00007f83761a6581 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f83754bedf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#26 0x00007f83754c157d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#27 0x00007f837551020a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#28 0x00007f835e83617d in  () at /usr/lib/libQt5XcbQpa.so.5
#29 0x00007f83754bd24a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#30 0x00007f83754c574c in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#31 0x00007f8378129495 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#32 0x00007f8377da2291 in __libc_start_main () at /usr/lib/libc.so.6
#33 0x000000000040069a in _start ()

Reported using DrKonqi