SUMMARY *** NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols. See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** System info: ``` $ uname -a Linux arch 5.15.7-arch1-1 #1 SMP PREEMPT Wed, 08 Dec 2021 14:33:16 +0000 x86_64 GNU/Linux ``` Kmail crash log: ``` Icon theme "oxygen" not found. Error loading text-to-speech plug-in "speechd" WebEngineContext used before QtWebEngine::initialize() or OpenGL context creation failed. QGLXContext: Failed to create dummy context Cannot initialize model with data QJsonObject(). missing: QJsonValue(string, "urls") Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile QSurfaceFormat::NoProfile) *** KMail got signal 6 (Exiting) *** Dead letters dumped. 19 -- exe=/usr/bin/kmail 13 -- platform=xcb 11 -- display=:0 14 -- appname=kmail 17 -- apppath=/usr/bin 9 -- signal=6 10 -- pid=49853 28 -- appversion=5.19.0 (21.12.0) 18 -- programname=KMail 31 -- bugaddress=submit@bugs.kde.org 12 -- startupid=0 KCrash: crashing... crashRecursionCounter = 2 KCrash: Application Name = kmail path = /usr/bin pid = 49853 KCrash: Arguments: /usr/bin/kmail [warn] epoll_wait: Bad file descriptor ``` see kmail-crash.log for detailed. STEPS TO REPRODUCE 1. Did nothing but upgrade system with the command below, then lunch the Kmail ``` sudo pacman -Syu ``` OBSERVED RESULT kmail crash everytime. EXPECTED RESULT kmail lunch successfully. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Linux 5.15.7-arch1-1 x86_64 (available in About System) KDE Plasma Version: 5.23.4 KDE Frameworks Version: 5.88.0 Qt Version: 5.15.2 Windowing System: X11 Distribution: Arch Linux DrKonqi: 5.23.4 [KCrashBackend] -- Information about the crash: just upgrade the system or package with the command `sudo pacman -Syu`. The crash can be reproduced every time. -- Backtrace: ``` Application: KMail (kmail), signal: Aborted [KCrash Handler] #4 0x00007f8f58e78d22 in raise () at /usr/lib/libc.so.6 #5 0x00007f8f58e62862 in abort () at /usr/lib/libc.so.6 #6 0x00007f8f592b0910 in () at /usr/lib/libQt5Core.so.5 #7 0x00007f8f522693c5 in () at /usr/lib/libQt5QuickWidgets.so.5 #8 0x00007f8f52269740 in () at /usr/lib/libQt5QuickWidgets.so.5 #9 0x00007f8f5226b98d in QQuickWidget::resizeEvent(QResizeEvent*) () at /usr/lib/libQt5QuickWidgets.so.5 #10 0x00007f8f526b32aa in () at /usr/lib/libQt5WebEngineWidgets.so.5 #11 0x00007f8f59ff2b6e in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5 #12 0x00007f8f59faed62 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5 #13 0x00007f8f594d941a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5 #14 0x00007f8f59fe9c18 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () at /usr/lib/libQt5Widgets.so.5 #15 0x00007f8f59fee864 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #16 0x00007f8f59fee7fa in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #17 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #18 0x00007f8f59fee7fa in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #19 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #20 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #21 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #22 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #23 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #24 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #25 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #26 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #27 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #28 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #29 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #30 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #31 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #32 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #33 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #34 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #35 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #36 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #37 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #38 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #39 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #40 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #41 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #42 0x00007f8f59fee7db in QWidgetPrivate::showChildren(bool) () at /usr/lib/libQt5Widgets.so.5 #43 0x00007f8f59fee882 in QWidgetPrivate::show_helper() () at /usr/lib/libQt5Widgets.so.5 #44 0x00007f8f59ff1bbd in QWidgetPrivate::setVisible(bool) () at /usr/lib/libQt5Widgets.so.5 #45 0x00007f8f624d8e4a in KMMainWin::showAndActivateWindow() () at /usr/lib/libkmailprivate.so.5 #46 0x00007f8f624eaef9 in KMKernel::openReader(bool, bool) () at /usr/lib/libkmailprivate.so.5 #47 0x00007f8f624f0328 in KMKernel::action(bool, bool, bool, QString const&, QString const&, QString const&, QString const&, QString const&, QUrl const&, QList<QUrl> const&, QStringList const&, QString const&, QString const&, QString const&) () at /usr/lib/libkmailprivate.so.5 #48 0x00007f8f624f1cb6 in KMKernel::handleCommandLine(bool, QStringList const&, QString const&) () at /usr/lib/libkmailprivate.so.5 #49 0x0000563e346e4559 in () #50 0x0000563e346e416a in () #51 0x00007f8f58e63b25 in __libc_start_main () at /usr/lib/libc.so.6 #52 0x0000563e346e440e in () [Inferior 1 (process 50770) detached] ``` ADDITIONAL INFORMATION