Bug 373472

Application: kwin_x11 (5.8.4)

Qt Version: 5.6.2
Frameworks Version: 5.27.0
Operating System: Linux 4.6.7-300.fc24.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I was attempting to close a project in Eclipse when Kwin crashed; it closed just fine but for some reason Kwin crashed and recovered.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa48b5e4940 (LWP 1338))]

Thread 6 (Thread 0x7fa46bfff700 (LWP 2028)):
#0  0x00007fa49b66c343 in select () at /lib64/libc.so.6
#1  0x00007fa49c46cbcf in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fa49c46e2c4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007fa49c46e7fa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa49c41f81a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa49c27e353 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4a2f92525 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa49c2829ba in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa49e4fb5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa49b6760ed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fa46b7fe700 (LWP 1526)):
#0  0x00007fa49e500bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa4a3d3d1a4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007fa4a3d3d1e9 in  () at /lib64/libQt5Script.so.5
#3  0x00007fa49e4fb5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa49b6760ed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fa473fff700 (LWP 1517)):
#0  0x00007fa49b66c343 in select () at /lib64/libc.so.6
#1  0x00007fa49c46cbcf in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fa49c46e2c4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007fa49c46e7fa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa49c41f81a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa49c27e353 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa4a2f92525 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007fa49c2829ba in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa49e4fb5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa49b6760ed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa48280e700 (LWP 1420)):
#0  0x00007fa49b66c343 in select () at /lib64/libc.so.6
#1  0x00007fa49c46cbcf in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007fa49c46e2c4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007fa49c46e7fa in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007fa49c41f81a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007fa49c27e353 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007fa49dff8559 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007fa49c2829ba in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007fa49e4fb5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa49b6760ed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa483ed1700 (LWP 1389)):
#0  0x00007fa49b66a56d in poll () at /lib64/libc.so.6
#1  0x00007fa49ddcaf80 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007fa49ddccb79 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007fa484b7ff99 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007fa49c2829ba in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007fa49e4fb5ca in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa49b6760ed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa48b5e4940 (LWP 1338)):
[KCrash Handler]
#6  0x00007fa4a2f7dc10 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#7  0x00007fa4a2f7e967 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /lib64/libQt5Qml.so.5
#8  0x00007fa4a2f88105 in QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () at /lib64/libQt5Qml.so.5
#9  0x00007fa4a2f1217e in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /lib64/libQt5Qml.so.5
#10 0x00007fa4a2f12247 in QQmlComponentPrivate::completeCreate() () at /lib64/libQt5Qml.so.5
#11 0x00007fa4a2f120b0 in QQmlComponent::create(QQmlContext*) () at /lib64/libQt5Qml.so.5
#12 0x00007fa480310987 in Aurorae::Decoration::init() () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007fa4a475a309 in KWin::Decoration::DecorationBridge::createDecoration(KWin::AbstractClient*) () at /lib64/libkwin.so.5
#14 0x00007fa4a4639ea2 in KWin::Client::createDecoration(QRect const&) () at /lib64/libkwin.so.5
#15 0x00007fa4a463aa8d in KWin::Client::updateDecoration(bool, bool) () at /lib64/libkwin.so.5
#16 0x00007fa4a4699a95 in KWin::Client::manage(unsigned int, bool) () at /lib64/libkwin.so.5
#17 0x00007fa4a461c2a4 in KWin::Workspace::createClient(unsigned int, bool) () at /lib64/libkwin.so.5
#18 0x00007fa4a4686c67 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /lib64/libkwin.so.5
#19 0x00007fa49c41e8cc in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /lib64/libQt5Core.so.5
#20 0x00007fa484b81965 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#21 0x00007fa484b8294b in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#22 0x00007fa49c449e19 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#23 0x00007fa49ccade4c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007fa49ccb332f in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#25 0x00007fa49c4209da in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#26 0x00007fa49c422a8f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#27 0x00007fa49c46e6d2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#28 0x00007fa484bf51ad in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#29 0x00007fa49c41f81a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#30 0x00007fa49c4273bc in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#31 0x00007fa4a4a5e0c6 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#32 0x00007fa49b593731 in __libc_start_main () at /lib64/libc.so.6
#33 0x000055e6db9d4ce9 in _start ()

Possible duplicates by query: bug 373170, bug 372015, bug 371929, bug 371824, bug 370624.

Reported using DrKonqi