Application: kwin_x11 (5.5.5) Qt Version: 5.5.1 Operating System: Linux 4.1.26-21-default x86_64 Distribution: "openSUSE Leap 42.1 (x86_64)" -- Information about the crash: Kwin hangs during chrome profile change. Only firefox was running when the crashes occurred. I was able to continue working, but KWIN was unstable. The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fbd327d1800 (LWP 1948))] Thread 5 (Thread 0x7fbd196f9700 (LWP 1951)): #0 0x00007fbd3214fbfd in poll () at /lib64/libc.so.6 #1 0x00007fbd2fa93422 in () at /usr/lib64/libxcb.so.1 #2 0x00007fbd2fa9500f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1 #3 0x00007fbd19fa03c9 in () at /usr/lib64/libQt5XcbQpa.so.5 #4 0x00007fbd2fd5332f in () at /usr/lib64/libQt5Core.so.5 #5 0x00007fbd317840a4 in start_thread () at /lib64/libpthread.so.0 #6 0x00007fbd3215802d in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7fbd125c1700 (LWP 1962)): #0 0x00007fbd32151293 in select () at /lib64/libc.so.6 #1 0x00007fbd2ff82179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5 #2 0x00007fbd2ff83af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5 #3 0x00007fbd2ff83f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #4 0x00007fbd2ff2cd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #5 0x00007fbd2fd4e61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5 #6 0x00007fbd2a250e18 in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007fbd2fd5332f in () at /usr/lib64/libQt5Core.so.5 #8 0x00007fbd317840a4 in start_thread () at /lib64/libpthread.so.0 #9 0x00007fbd3215802d in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7fbd0b7fe700 (LWP 1978)): #0 0x00007fbd3178803f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007fbd2ecd686b in () at /usr/lib64/libQt5Script.so.5 #2 0x00007fbd2ecd6899 in () at /usr/lib64/libQt5Script.so.5 #3 0x00007fbd317840a4 in start_thread () at /lib64/libpthread.so.0 #4 0x00007fbd3215802d in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7fbd0bfff700 (LWP 2438)): #0 0x00007fbd32151293 in select () at /lib64/libc.so.6 #1 0x00007fbd2ff82179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5 #2 0x00007fbd2ff83af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5 #3 0x00007fbd2ff83f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #4 0x00007fbd2ff2cd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #5 0x00007fbd2fd4e61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5 #6 0x00007fbd2a250e18 in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007fbd2fd5332f in () at /usr/lib64/libQt5Core.so.5 #8 0x00007fbd317840a4 in start_thread () at /lib64/libpthread.so.0 #9 0x00007fbd3215802d in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7fbd327d1800 (LWP 1948)): [KCrash Handler] #6 0x00007fbd2a11528f in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007fbd2a1156f0 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () at /usr/lib64/libQt5Qml.so.5 #8 0x00007fbd2a1d3aea in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5 #9 0x00007fbd2a23d843 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5 #10 0x00007fbd2a24756a in () at /usr/lib64/libQt5Qml.so.5 #11 0x00007fbd2a1d5e4b in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5 #12 0x00007fbd2a1d5f07 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5 #13 0x00007fbd2a1d5d90 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5 #14 0x00007fbd125e083f in () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so #15 0x00007fbd31d89cfb in () at /usr/lib64/libkwin.so.5 #16 0x00007fbd31c8aad1 in () at /usr/lib64/libkwin.so.5 #17 0x00007fbd31c8b64b in () at /usr/lib64/libkwin.so.5 #18 0x00007fbd31cda53a in () at /usr/lib64/libkwin.so.5 #19 0x00007fbd31c6e9eb in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib64/libkwin.so.5 #20 0x00007fbd31cc208e in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5 #21 0x00007fbd2ff2bfc0 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5 #22 0x00007fbd19f9e044 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5 #23 0x00007fbd19fa001b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5 #24 0x00007fbd2ff5fac6 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5 #25 0x00007fbd30c12e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #26 0x00007fbd30c17cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #27 0x00007fbd2ff2ee95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5 #28 0x00007fbd2ff31057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5 #29 0x00007fbd2ff83ec4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #30 0x00007fbd1a00033d in () at /usr/lib64/libQt5XcbQpa.so.5 #31 0x00007fbd2ff2cd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #32 0x00007fbd2ff348f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5 #33 0x00007fbd324209e7 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so #34 0x00007fbd32094b25 in __libc_start_main () at /lib64/libc.so.6 #35 0x000000000040085e in _start () Reported using DrKonqi
Crashes in QtQuick. As a workaround use the breeze window decoration.
I changed to breeze window decoration and restarted X session. But when i opened chrome the problem persist.
(In reply to Daniel Cassela from comment #2) > I changed to breeze window decoration and restarted X session. But when i > opened chrome the problem persist. That must be a completely different issue then. Can you paste the backtrace of KWin when opening Chrome?
ftr, change the settings in "kcmshell5 kwindecoration" - settings in "kcmshell5 style" are irrelevant here.
Backtrace what happened now. I'm not using chrome at this time. I was editing Kde menu apps. Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f3748750800 (LWP 1877))] Thread 5 (Thread 0x7f372f678700 (LWP 1884)): #0 0x00007f37480cebfd in poll () at /lib64/libc.so.6 #1 0x00007f3745a12422 in () at /usr/lib64/libxcb.so.1 #2 0x00007f3745a1400f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1 #3 0x00007f372ff1f3c9 in () at /usr/lib64/libQt5XcbQpa.so.5 #4 0x00007f3745cd232f in () at /usr/lib64/libQt5Core.so.5 #5 0x00007f37477030a4 in start_thread () at /lib64/libpthread.so.0 #6 0x00007f37480d702d in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7f3727ddf700 (LWP 1898)): #0 0x00007f37480d0293 in select () at /lib64/libc.so.6 #1 0x00007f3745f01179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5 #2 0x00007f3745f02af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5 #3 0x00007f3745f02f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #4 0x00007f3745eabd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #5 0x00007f3745ccd61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5 #6 0x00007f37401cfe18 in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007f3745cd232f in () at /usr/lib64/libQt5Core.so.5 #8 0x00007f37477030a4 in start_thread () at /lib64/libpthread.so.0 #9 0x00007f37480d702d in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7f3724904700 (LWP 1926)): #0 0x00007f374770703f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f3744c5586b in () at /usr/lib64/libQt5Script.so.5 #2 0x00007f3744c55899 in () at /usr/lib64/libQt5Script.so.5 #3 0x00007f37477030a4 in start_thread () at /lib64/libpthread.so.0 #4 0x00007f37480d702d in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7f3690e24700 (LWP 3078)): #0 0x00007f37480d0293 in select () at /lib64/libc.so.6 #1 0x00007f3745f01179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5 #2 0x00007f3745f02af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5 #3 0x00007f3745f02f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #4 0x00007f3745eabd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #5 0x00007f3745ccd61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5 #6 0x00007f37401cfe18 in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007f3745cd232f in () at /usr/lib64/libQt5Core.so.5 #8 0x00007f37477030a4 in start_thread () at /lib64/libpthread.so.0 #9 0x00007f37480d702d in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7f3748750800 (LWP 1877)): [KCrash Handler] #6 0x00007f374009428f in () at /usr/lib64/libQt5Qml.so.5 #7 0x00007f37400946f0 in QV4::ExecutionEngine::toVariant(QV4::Value const&, int, bool) () at /usr/lib64/libQt5Qml.so.5 #8 0x00007f3740152aea in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5 #9 0x00007f37401bc843 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5 #10 0x00007f37401c656a in () at /usr/lib64/libQt5Qml.so.5 #11 0x00007f3740154e4b in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5 #12 0x00007f3740154f07 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5 #13 0x00007f3740154d90 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5 #14 0x00007f372c11c83f in () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so #15 0x00007f3747d08cfb in () at /usr/lib64/libkwin.so.5 #16 0x00007f3747c09ad1 in () at /usr/lib64/libkwin.so.5 #17 0x00007f3747c0a64b in () at /usr/lib64/libkwin.so.5 #18 0x00007f3747c5953a in () at /usr/lib64/libkwin.so.5 #19 0x00007f3747bed9eb in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib64/libkwin.so.5 #20 0x00007f3747c4108e in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5 #21 0x00007f3745eaafc0 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5 #22 0x00007f372ff1d044 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5 #23 0x00007f372ff1f01b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5 #24 0x00007f3745edeac6 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5 #25 0x00007f3746b91e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #26 0x00007f3746b96cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #27 0x00007f3745eade95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5 #28 0x00007f3745eb0057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5 #29 0x00007f3745f02ec4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #30 0x00007f372ff7f33d in () at /usr/lib64/libQt5XcbQpa.so.5 #31 0x00007f3745eabd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #32 0x00007f3745eb38f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5 #33 0x00007f374839f9e7 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so #34 0x00007f3748013b25 in __libc_start_main () at /lib64/libc.so.6 #35 0x000000000040085e in _start ()
Hi Thomas, The backtrace sent was generated while "kcmshell5 kwindecoration" was Plastik, i just change to "breeze", i'll monitor from now.
Plastik is more or less an aurorae theme, so that's in pattern :-P Breeze is presently really the *only* reliable decoration :-( All others suffer from QML.