Application: plasma-discover (5.25.3) Qt Version: 5.15.5 Frameworks Version: 5.97.0 Operating System: Linux 5.18.0-14.2-liquorix-amd64 x86_64 Windowing System: X11 Distribution: KDE neon Testing Edition DrKonqi: 5.25.3 [KCrashBackend] -- Information about the crash: Discover opens and shows me the updates and applies them ok but when i close the open window it always crashes The crash can be reproduced every time. -- Backtrace: Application: Discover (plasma-discover), signal: Segmentation fault [KCrash Handler] #4 0x00007f1aea680f65 in QQuickWindow::mouseGrabberItem() const () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007f1aea683b8e in QQuickWindowPrivate::removeGrabber(QQuickItem*, bool, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #6 0x00007f1aea66a383 in QQuickItemPrivate::derefWindow() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #7 0x00007f1aea66ac2c in QQuickItem::setParentItem(QQuickItem*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f1aea66b87c in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f1aea7e8ba9 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f1ae86df26e in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #11 0x00007f1ae86e9d06 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f1aea66b97a in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #13 0x00007f1aea7e8ba9 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007f1ae86df26e in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007f1ae86e9d06 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007f1aea66b97a in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #17 0x00007f1aea7ebec9 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #18 0x00007f1ae86df26e in QObjectPrivate::deleteChildren() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007f1ae86e9d06 in QObject::~QObject() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f1aea66b97a in QQuickItem::~QQuickItem() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #21 0x00007f1adaf743b9 in () at /usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Templates.2/libqtquicktemplates2plugin.so #22 0x00007f1ae93b6707 in QV4::QObjectWrapper::destroyObject(bool) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #23 0x00007f1ae92b0559 in QV4::MemoryManager::sweep(bool, void (*)(char const*)) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #24 0x00007f1ae92b05d9 in QV4::MemoryManager::~MemoryManager() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #25 0x00007f1ae9331a6c in QV4::ExecutionEngine::~ExecutionEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #26 0x00007f1ae931c432 in QJSEngine::~QJSEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #27 0x00007f1ae9497f54 in QQmlEngine::~QQmlEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #28 0x00007f1ae951ee4d in QQmlApplicationEngine::~QQmlApplicationEngine() () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #29 0x00005576e2e8b8a5 in () #30 0x00005576e2e8b8cd in () #31 0x00007f1ae86e25e3 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x00007f1ae9b6de83 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #33 0x00007f1ae9b76c98 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #34 0x00007f1ae86b4c6a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #35 0x00007f1ae86b7571 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #36 0x00007f1ae86bb92c in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #37 0x00005576e2e81525 in () #38 0x00007f1ae7e32083 in __libc_start_main (main=0x5576e2e80c40, argc=3, argv=0x7fff28ad13f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff28ad13e8) at ../csu/libc-start.c:308 #39 0x00005576e2e81a9e in () [Inferior 1 (process 44184) detached] Reported using DrKonqi
Can reproduce.
Git commit 82ffa5ab78ee0262868e42a0e6be0c892c3021d5 by Aleix Pol. Committed on 29/07/2022 at 17:27. Pushed by apol into branch 'master'. Fix crash after update If we delay the cleanup of the QQmlEngine, it doesn't crash after updating. M +1 -1 discover/DiscoverObject.cpp https://invent.kde.org/plasma/discover/commit/82ffa5ab78ee0262868e42a0e6be0c892c3021d5
Git commit 4323e71fd9ed07e8cb120dd80cb5672912dc8b66 by Aleix Pol Gonzalez, on behalf of Aleix Pol. Committed on 29/07/2022 at 17:27. Pushed by apol into branch 'Plasma/5.25'. Fix crash after update If we delay the cleanup of the QQmlEngine, it doesn't crash after updating. (cherry picked from commit 82ffa5ab78ee0262868e42a0e6be0c892c3021d5) M +1 -1 discover/DiscoverObject.cpp https://invent.kde.org/plasma/discover/commit/4323e71fd9ed07e8cb120dd80cb5672912dc8b66
*** Bug 458259 has been marked as a duplicate of this bug. ***
Can duplicate. Application: plasma-discover (5.24.7) Plasma Version: 5.24.7 Qt Version: 5.15.3 Frameworks Version: 5.98.0 Kernel version: Linux 5.15.0-52-generic (64-bit)( Graphics Platform: X11 Distribution: Kubuntu 22.04.1 LTS
(In reply to John Quentin Heywood from comment #5) > Can duplicate. > Application: plasma-discover (5.24.7) > Plasma Version: 5.24.7 > Qt Version: 5.15.3 > Frameworks Version: 5.98.0 > Kernel version: Linux 5.15.0-52-generic (64-bit)( > Graphics Platform: X11 > Distribution: Kubuntu 22.04.1 LTS If you wait 5-10 minutes before you close discover, it does not crash.