I’m having some trouble connecting an external monitor via HDMI to my laptop. Whenever I connect a monitor, the laptop screen goes black for a few seconds and then brings me back to the SDDM log in screen. Interestingly, the log in screen does appear on both screens, but then the screens go black again when I log in. Once the monitor is disconnected, the laptop returns to log in and works normally.
I think I have diagnosed the cause as KWin crashing - since this is the first of many errors which appears on the KDE Crashed Process Viewer (which I have learned is charmingly called Dr Konqi
I have tried most of the obvious suggestions online (e.g. updating everything, running distro-sync, checking nvidia drivers, using different monitors/cables) and nothing has worked. So I need some help figuring out this problem, and decyphering what the KWin error messages mean.
I am running Fedora 43 with KDE and Wayland on an Asus laptop with hybrid Intel/Nvidia graphics.
OS: Fedora Linux 43 (KDE Plasma Desktop Edition) x86_64Host: ASUS Vivobook Pro 15 N6506MV_N6506MV (1.0)Kernel: Linux 6.18.13-200.fc43.x86_64Display (SDC4180): 2880x1620 @ 1.4x in 16", 120 Hz [Built-in]DE: KDE Plasma 6.6.1WM: KWin (Wayland)CPU: Intel(R) Core™ Ultra 9 185H (22) @ 5.10 GHzGPU 1: NVIDIA GeForce RTX 4060 Max-Q / Mobile [Discrete]GPU 2: Intel Arc Graphics @ 2.35 GHz [Integrated]
My Nvidia drivers work, version 580.119.02. Output of nvidia-smi:
I have the copy of the KWin error report (which I think is the same as coredumpctl -1 info kwin_wayland):
Part 1:
PID: 28613 (kwin_wayland)
UID: 1000 (USERNAME)
GID: 1000 (USERNAME)
Signal: 6 (ABRT)
Timestamp: Fri 2026-02-27 14:09:48 GMT (1min 5s ago)
Command Line: /usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_KaCKlc --xwayland
Executable: /usr/bin/kwin_wayland
Control Group: /user.slice/user-1000.slice/user@1000.service/session.slice/plasma-kwin_wayland.service
Unit: user@1000.service
User Unit: plasma-kwin_wayland.service
Hostname: USERNAME-asus-fedora
Storage: /var/lib/systemd/coredump/core.kwin_wayland.1000.2f20e8e430b047a8b6cd4de1faabd7b9.28613.1772201388000000.zst (inaccessible)
Package: kwin/6.6.1-1.fc43
Message: Process 28613 (kwin_wayland) of user 1000 dumped core.
Module /usr/bin/kwin_wayland from rpm kwin-6.6.1-1.fc43.x86_64
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Module libKirigamiPrivateplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libqqc2desktopstyleplugin.so from rpm kf6-qqc2-desktop-style-6.23.0-1.fc43.x86_64
Module libKF6SonnetCore.so.6 from rpm kf6-sonnet-6.23.0-1.fc43.x86_64
Module libsonnetquickplugin.so from rpm kf6-sonnet-6.23.0-1.fc43.x86_64
Module liborg_kde_desktop_private.so from rpm kf6-qqc2-desktop-style-6.23.0-1.fc43.x86_64
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Module libQt6QuickControls2Basic.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libqtquickcontrols2basicstyleplugin.so from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libqtquickcontrols2plugin.so from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libcorebindingsplugin.so from rpm kf6-ksvg-6.23.0-1.fc43.x86_64
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Module libxcb-damage.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libPlasmaQuick.so.7 from rpm libplasma-6.6.1-1.fc43.x86_64
Module libqtquicktemplates2plugin.so from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libQt6ShaderTools.so.6 from rpm qt6-qtshadertools-6.10.2-1.fc43.x86_64
Module libqtgraphicaleffectsprivateplugin.so from rpm qt6-qt5compat-6.10.2-1.fc43.x86_64
Module libKF6KCMUtilsCore.so.6 from rpm kf6-kcmutils-6.23.0-1.fc43.x86_64
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Module libkcmutilsqmlplugin.so from rpm kf6-kcmutils-6.23.0-1.fc43.x86_64
Module libplasmaextracomponentsplugin.so from rpm libplasma-6.6.1-1.fc43.x86_64
Module liborg_kde_plasmacomponents3.so from rpm libplasma-6.6.1-1.fc43.x86_64
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Module libKF6Runner.so.6 from rpm kf6-krunner-6.23.0-1.fc43.x86_64
Module libmilou.so from rpm plasma-milou-6.6.1-1.fc43.x86_64
Module libeffectsplugin.so from rpm kwin-6.6.1-1.fc43.x86_64
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Module libKirigamiLayoutsplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiDialogs.so.6 from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiDialogsplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiDelegates.so.6 from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiDelegatesplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiPrimitives.so.6 from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiPrimitivesplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigami.so.6 from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libKirigamiplugin.so from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
Module libQt6QuickLayouts.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libqquicklayoutsplugin.so from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libqtgraphicaleffectsplugin.so from rpm qt6-qt5compat-6.10.2-1.fc43.x86_64
Module screenshot.so from rpm kwin-6.6.1-1.fc43.x86_64
Module libpipewire-module-session-manager.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-metadata.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-adapter.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-client-device.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-client-node.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-protocol-native.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-module-rt.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libspa-dbus.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libspa-journal.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libspa-support.so from rpm pipewire-1.4.10-1.fc43.x86_64
Module libpipewire-0.3.so.0 from rpm pipewire-1.4.10-1.fc43.x86_64
Module screencast.so from rpm kwin-6.6.1-1.fc43.x86_64
Module libKF6Holidays.so.6 from rpm kf6-kholidays-6.23.0-1.fc43.x86_64
Module libKNightTime.so.0 from rpm knighttime-6.6.1-1.fc43.x86_64
Module nightlight.so from rpm kwin-6.6.1-1.fc43.x86_64
Module krunnerintegration.so from rpm kwin-6.6.1-1.fc43.x86_64
Module libeis.so.1 from rpm libei-1.5.0-1.fc43.x86_64
Module eis.so from rpm kwin-6.6.1-1.fc43.x86_64
Module buttonsrebind.so from rpm kwin-6.6.1-1.fc43.x86_64
Module TouchpadShortcutsPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module StickyKeysPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module SlowKeysPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module MouseKeysPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module KeyNotificationPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module BounceKeysPlugin.so from rpm kwin-6.6.1-1.fc43.x86_64
Module org.kde.kwin.aurorae.v2.so from rpm aurorae-6.6.1-1.fc43.x86_64
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Module libnvidia-egl-xlib.so.1 from rpm egl-x11-1.0.4-1.fc43.x86_64
Module libnvidia-egl-xcb.so.1 from rpm egl-x11-1.0.4-1.fc43.x86_64
Module libnvidia-egl-gbm.so.1 from rpm egl-gbm-1.1.3-1.fc43.x86_64
Module libnvidia-egl-wayland.so.1 from rpm egl-wayland-1.1.21-1.fc43.x86_64
Module libtinfo.so.6 from rpm ncurses-6.5-7.20250614.fc43.x86_64
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Module libX11-xcb.so.1 from rpm libX11-1.8.12-1.fc43.x86_64
Module libdrm_intel.so.1 from rpm libdrm-2.4.131-1.fc43.x86_64
Module libelf.so.1 from rpm elfutils-0.194-1.fc43.x86_64
Module libdrm_amdgpu.so.1 from rpm libdrm-2.4.131-1.fc43.x86_64
Module libxshmfence.so.1 from rpm libxshmfence-1.3.2-7.fc43.x86_64
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Module libgallium-25.3.5.so from rpm mesa-25.3.5-1.fc43.x86_64
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Module libKirigamiPlatform.so.6 from rpm kf6-kirigami-6.23.0-1.fc43.x86_64
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Module libQt6QuickTemplates2.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libKF6Completion.so.6 from rpm kf6-kcompletion-6.23.0-1.fc43.x86_64
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Module libKF6StatusNotifierItem.so.6 from rpm kf6-kstatusnotifieritem-6.23.0-1.fc43.x86_64
Module libKF6KIOWidgets.so.6 from rpm kf6-kio-6.23.0-1.fc43.x86_64
Module libKF6KIOFileWidgets.so.6 from rpm kf6-kio-6.23.0-1.fc43.x86_64
Module libQt6QuickControls2.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
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Module libsasl2.so.3 from rpm cyrus-sasl-2.1.28-33.fc43.x86_64
Module libevent-2.1.so.7 from rpm libevent-2.1.12-16.fc43.x86_64
Module libunistring.so.5 from rpm libunistring-1.1-10.fc43.x86_64
Module libgmodule-2.0.so.0 from rpm glib2-2.86.4-1.fc43.x86_64
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Module libidn2.so.0 from rpm libidn2-2.3.8-2.fc43.x86_64
Module libnghttp2.so.14 from rpm nghttp2-1.66.0-2.fc43.x86_64
Module libimobiledevice-glue-1.0.so.0 from rpm libimobiledevice-glue-1.3.1-3.fc43.x86_64
Module libusbmuxd-2.0.so.7 from rpm libusbmuxd-2.1.0-4.fc43.x86_64
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Module libduktape.so.207 from rpm duktape-2.7.0-10.fc43.x86_64
Module libgio-2.0.so.0 from rpm glib2-2.86.4-1.fc43.x86_64
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Module libKF6BreezeIcons.so.6 from rpm kf6-breeze-icons-6.23.0-1.fc43.x86_64
Module libKF6Codecs.so.6 from rpm kf6-kcodecs-6.23.0-1.fc43.x86_64
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Module libbrotlicommon.so.1 from rpm brotli-1.2.0-1.fc43.x86_64
Module libkeyutils.so.1 from rpm keyutils-1.6.3-6.fc43.x86_64
Module libkrb5support.so.0 from rpm krb5-1.22.2-2.fc43.x86_64
Module libcom_err.so.2 from rpm e2fsprogs-1.47.3-2.fc43.x86_64
Module libk5crypto.so.3 from rpm krb5-1.22.2-2.fc43.x86_64
Module libkrb5.so.3 from rpm krb5-1.22.2-2.fc43.x86_64
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Module libKF6ItemViews.so.6 from rpm kf6-kitemviews-6.23.0-1.fc43.x86_64
Module libQt6PrintSupport.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
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Module libgudev-1.0.so.0 from rpm libgudev-238-8.fc43.x86_64
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Module libicudata.so.77 from rpm icu-77.1-1.fc43.x86_64
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Module libXext.so.6 from rpm libXext-1.3.6-4.fc43.x86_64
Module libpcre2-8.so.0 from rpm pcre2-10.47-1.fc43.x86_64
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Module libKF6Solid.so.6 from rpm kf6-solid-6.23.0-1.fc43.x86_64
Module libproxy.so.1 from rpm libproxy-0.5.12-1.fc43.x86_64
Module libbrotlidec.so.1 from rpm brotli-1.2.0-1.fc43.x86_64
Module libgssapi_krb5.so.2 from rpm krb5-1.22.2-2.fc43.x86_64
Module libQt6QmlWorkerScript.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libQt6Xml.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libKF6XmlGui.so.6 from rpm kf6-kxmlgui-6.23.0-1.fc43.x86_64
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Module libEGL.so.1 from rpm libglvnd-1.7.0-8.fc43.x86_64
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Module libKF6KIOGui.so.6 from rpm kf6-kio-6.23.0-1.fc43.x86_64
Module libQt6Network.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libQt6QmlModels.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libQt6QmlMeta.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
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Module libdisplay-info.so.2 from rpm libdisplay-info-0.2.0-4.fc43.x86_64
Module libQt6OpenGL.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libKScreenLocker.so.6 from rpm kscreenlocker-6.6.1-1.fc43.x86_64
Module libPlasmaActivities.so.7 from rpm plasma-activities-6.6.1-1.fc43.x86_64
Module libxcb-xinput.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-present.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-dri3.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libwayland-client.so.0 from rpm wayland-1.24.0-1.fc43.x86_64
Module libKWaylandClient.so.6 from rpm kwayland-6.6.1-1.fc43.x86_64
Module libinput.so.10 from rpm libinput-1.30.2-1.fc43.x86_64
Module libgbm.so.1 from rpm mesa-25.3.5-1.fc43.x86_64
Module libxcb-sync.so.1 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-shm.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-shape.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-res.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-render.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-keysyms.so.1 from rpm xcb-util-keysyms-0.4.1-8.fc43.x86_64
Module libxcb-icccm.so.4 from rpm xcb-util-wm-0.4.2-8.fc43.x86_64
Module liblcms2.so.2 from rpm lcms2-2.16-6.fc43.x86_64
Module libxkbcommon.so.0 from rpm libxkbcommon-1.11.0-1.fc43.x86_64
Module libudev.so.1 from rpm systemd-258.4-1.fc43.x86_64
Module libkdecorations3private.so.2 from rpm kdecoration-6.6.1-1.fc43.x86_64
Module libKF6I18nQml.so.6 from rpm kf6-ki18n-6.23.0-1.fc43.x86_64
Module libKF6ConfigQml.so.6 from rpm kf6-kconfig-6.23.0-1.fc43.x86_64
Module libdrm.so.2 from rpm libdrm-2.4.131-1.fc43.x86_64
Module libwayland-server.so.0 from rpm wayland-1.24.0-1.fc43.x86_64
Module libltdl.so.7 from rpm libtool-2.5.4-8.fc43.x86_64
Module libtdb.so.1 from rpm libtdb-1.4.14-3.fc43.x86_64
Module libvorbisfile.so.3 from rpm libvorbis-1.3.7-13.fc43.x86_64
Module libKF6GuiAddons.so.6 from rpm kf6-kguiaddons-6.23.0-1.fc43.x86_64
Module libKF6ColorScheme.so.6 from rpm kf6-kcolorscheme-6.23.0-1.fc43.x86_64
Module libKF6Archive.so.6 from rpm kf6-karchive-6.23.0-1.fc43.x86_64
Module libQt6Svg.so.6 from rpm qt6-qtsvg-6.10.2-1.fc43.x86_64
Module libXau.so.6 from rpm libXau-1.0.12-3.fc43.x86_64
Module libcap.so.2 from rpm libcap-2.76-3.fc43.x86_64
Module libQt6Core.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libQt6DBus.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libKF6CoreAddons.so.6 from rpm kf6-kcoreaddons-6.23.0-1.fc43.x86_64
Module libKF6ConfigCore.so.6 from rpm kf6-kconfig-6.23.0-1.fc43.x86_64
Module libQt6Gui.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libQt6Widgets.so.6 from rpm qt6-qtbase-6.10.2-2.fc43.x86_64
Module libKF6GlobalAccel.so.6 from rpm kf6-kglobalaccel-6.23.0-1.fc43.x86_64
Module libKF6WindowSystem.so.6 from rpm kf6-kwindowsystem-6.23.0-1.fc43.x86_64
Module libKGlobalAccelD.so.0 from rpm kglobalacceld-6.6.1-1.fc43.x86_64
Module libKF6I18n.so.6 from rpm kf6-ki18n-6.23.0-1.fc43.x86_64
Module libKF6IdleTime.so.6 from rpm kf6-kidletime-6.23.0-1.fc43.x86_64
Module libKF6ConfigGui.so.6 from rpm kf6-kconfig-6.23.0-1.fc43.x86_64
Module libKF6Notifications.so.6 from rpm kf6-knotifications-6.23.0-1.fc43.x86_64
Module libQt6Qml.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libQt6Quick.so.6 from rpm qt6-qtdeclarative-6.10.2-2.fc43.x86_64
Module libkdecorations3.so.6 from rpm kdecoration-6.6.1-1.fc43.x86_64
Module libepoxy.so.0 from rpm libepoxy-1.5.10-11.fc43.x86_64
Module libKF6Crash.so.6 from rpm kf6-kcrash-6.23.0-1.fc43.x86_64
Module libkwin.so.6 from rpm kwin-6.6.1-1.fc43.x86_64
Module libqaccessibilityclient-qt6.so.0 from rpm qaccessibilityclient-0.6.0-4.fc43.x86_64
Module libKF6Svg.so.6 from rpm kf6-ksvg-6.23.0-1.fc43.x86_64
Module libxcb.so.1 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-xfixes.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-composite.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libxcb-randr.so.0 from rpm libxcb-1.17.0-6.fc43.x86_64
Module libsystemd.so.0 from rpm systemd-258.4-1.fc43.x86_64
Part 2:
Stack trace of thread 28613:
#0 0x00007f4e8a6813cc __pthread_kill_implementation (libc.so.6 + 0x743cc)
#1 0x00007f4e8a62715e raise (libc.so.6 + 0x1a15e)
#2 0x00007f4e8e3670d6 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x50d6)
#3 0x00007f4e8a627290 __restore_rt (libc.so.6 + 0x1a290)
#4 0x00007f4e8a6813cc __pthread_kill_implementation (libc.so.6 + 0x743cc)
#5 0x00007f4e8a62715e raise (libc.so.6 + 0x1a15e)
#6 0x00007f4e8a60e6d0 abort (libc.so.6 + 0x16d0)
#7 0x00007f4e8a60e639 __assert_fail_base.cold (libc.so.6 + 0x1639)
#8 0x00007f4e8d8f453f epoxy_get_proc_address.cold (libepoxy.so.0 + 0x53f)
#9 0x00007f4e8d905759 epoxy_glDeleteVertexArrays_global_rewrite_ptr (libepoxy.so.0 + 0x11759)
#10 0x00007f4e8db9d55f _ZN4KWin10EglContextD1Ev (libkwin.so.6 + 0x19d55f)
#11 0x00007f4e8db9d5ce _ZNSt19_Sp_counted_deleterIPN4KWin10EglContextESt14default_deleteIS1_ESaIvELN9__gnu_cxx12_Lock_policyE2EE10_M_disposeEv (libkwin.so.6 + 0x19d5ce)
#12 0x00007f4e8da5ad26 _ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE24_M_release_last_use_coldEv (libkwin.so.6 + 0x5ad26)
#13 0x00007f4e8dd88d02 _ZN4KWin18EglGbmLayerSurface7SurfaceD2Ev (libkwin.so.6 + 0x388d02)
#14 0x00007f4e8dd8d509 _ZNK4KWin18EglGbmLayerSurface13createSurfaceERK5QSizejRK5QListImENS0_18MultiGpuImportModeENS0_12BufferTargetENS_13BackendOutput18ColorPowerTradeoffEj (libkwin.so.6 + 0x38d509)
#15 0x00007f4e8dd8dddb _ZZNK4KWin18EglGbmLayerSurface13createSurfaceERK5QSizeRK5QHashIj5QListImEENS_13BackendOutput18ColorPowerTradeoffEjENKUlRKS5_INS_10FormatInfoEENS0_18MultiGpuImportModeEE_clESF_SG_ (libkwin.so.6 + 0x38dddb)
#16 0x00007f4e8dd8df55 _ZNK4KWin18EglGbmLayerSurface13createSurfaceERK5QSizeRK5QHashIj5QListImEENS_13BackendOutput18ColorPowerTradeoffEj (libkwin.so.6 + 0x38df55)
#17 0x00007f4e8dd8e9e3 _ZN4KWin18EglGbmLayerSurface12checkSurfaceERK5QSizeRK5QHashIj5QListImEENS_13BackendOutput18ColorPowerTradeoffEj (libkwin.so.6 + 0x38e9e3)
#18 0x00007f4e8dd8ed6d _ZN4KWin11EglGbmLayer23preparePresentationTestEv (libkwin.so.6 + 0x38ed6d)
#19 0x00007f4e8dd95f79 _ZN4KWin6DrmGpu13testPipelinesEv (libkwin.so.6 + 0x395f79)
#20 0x00007f4e8dd9617d _ZN4KWin6DrmGpu19checkCrtcAssignmentE5QListIPNS_12DrmConnectorEERKS1_IPNS_7DrmCrtcEENSt6chrono10time_pointINSA_3_V212steady_clockENSA_8durationIlSt5ratioILl1ELl1000000000EEEEEE (libkwin.so.6 + 0x39617d)
#21 0x00007f4e8dd964de _ZN4KWin6DrmGpu19checkCrtcAssignmentE5QListIPNS_12DrmConnectorEERKS1_IPNS_7DrmCrtcEENSt6chrono10time_pointINSA_3_V212steady_clockENSA_8durationIlSt5ratioILl1ELl1000000000EEEEEE (libkwin.so.6 + 0x3964de)
#22 0x00007f4e8dd96af6 _ZN4KWin6DrmGpu24testPendingConfigurationEv (libkwin.so.6 + 0x396af6)
#23 0x00007f4e8dd6fd6c _ZN4KWin10DrmBackend18applyOutputChangesERKNS_19OutputConfigurationE (libkwin.so.6 + 0x36fd6c)
#24 0x00007f4e8dcfc73f _ZN4KWin9Workspace24applyOutputConfigurationERNS_19OutputConfigurationE (libkwin.so.6 + 0x2fc73f)
#25 0x00007f4e8dcfca54 _ZN4KWin9Workspace25updateOutputConfigurationEv (libkwin.so.6 + 0x2fca54)
#26 0x00007f4e8dcfd195 _ZN4KWin9Workspace31slotOutputBackendOutputsQueriedEv (libkwin.so.6 + 0x2fd195)
#27 0x00007f4e8ad6929a _Z10doActivateILb0EEvP7QObjectiPPv (libQt6Core.so.6 + 0x16929a)
#28 0x00007f4e8dd6f132 _ZN4KWin10DrmBackend13updateOutputsEv (libkwin.so.6 + 0x36f132)
#29 0x00007f4e8dd71bd0 _ZN4KWin10DrmBackend15handleUdevEventEv (libkwin.so.6 + 0x371bd0)
#30 0x00007f4e8ad6929a _Z10doActivateILb0EEvP7QObjectiPPv (libQt6Core.so.6 + 0x16929a)
#31 0x00007f4e8ad78633 _ZN15QSocketNotifier9activatedE17QSocketDescriptorNS_4TypeENS_14QPrivateSignalE (libQt6Core.so.6 + 0x178633)
#32 0x00007f4e8ad78d7b _ZN15QSocketNotifier5eventEP6QEvent (libQt6Core.so.6 + 0x178d7b)
#33 0x00007f4e8c03df1f _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt6Widgets.so.6 + 0x3df1f)
#34 0x00007f4e8acfdb28 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0xfdb28)
#35 0x00007f4e8aed6097 _ZN27QEventDispatcherUNIXPrivate23activateSocketNotifiersEv (libQt6Core.so.6 + 0x2d6097)
#36 0x00007f4e8aed6a51 _ZN20QEventDispatcherUNIX13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2d6a51)
#37 0x00007f4e8bafe212 _ZN23QUnixEventDispatcherQPA13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Gui.so.6 + 0x6fe212)
#38 0x00007f4e8ad0ab23 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x10ab23)
#39 0x00007f4e8ad063e9 _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x1063e9)
#40 0x0000561c3cb6db55 main (/usr/bin/kwin_wayland + 0xeb55)
#41 0x00007f4e8a6105b5 __libc_start_call_main (libc.so.6 + 0x35b5)
#42 0x00007f4e8a610668 __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x3668)
#43 0x0000561c3cb73f25 _start (/usr/bin/kwin_wayland + 0x14f25)
Stack trace of thread 28638:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67eb88 pthread_cond_timedwait@@GLIBC_2.3.2 (libc.so.6 + 0x71b88)
#4 0x00007f4e60c0fbb0 n/a (libnvidia-eglcore.so.580.119.02 + 0xa0fbb0)
#5 0x00007f4e60a37142 n/a (libnvidia-eglcore.so.580.119.02 + 0x837142)
#6 0x00007f4e60c1345a n/a (libnvidia-eglcore.so.580.119.02 + 0xa1345a)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28621:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28641:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28642:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28644:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28643:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 36477:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e8a844e00 _ZNSt18condition_variable4waitERSt11unique_lockISt5mutexE (libstdc++.so.6 + 0x44e00)
#5 0x00007f4e8dd7ab08 _ZZN4KWin15DrmCommitThreadC4EPNS_6DrmGpuERK7QStringENKUlvE_clEv.lto_priv.0 (libkwin.so.6 + 0x37ab08)
#6 0x00007f4e8dd7d24a _ZNSt17_Function_handlerIFSt10unique_ptrINSt13__future_base12_Result_baseENS2_8_DeleterEEvENS1_12_Task_setterIS0_INS1_7_ResultIvEES3_ENSt6thread8_InvokerISt5tupleIJZN7QThread6createIZN4KWin15DrmCommitThreadC4EPNSF_6DrmGpuERK7QStringEUlvE_JEEEPSD_OT_DpOT0_EUlDpOT_E_EEEEvEEE9_M_invokeERKSt9_Any_data (libkwin.so.6 + 0x37d24a)
#7 0x00007f4e8dd74ba6 _ZNSt13__future_base13_State_baseV29_M_do_setEPSt8functionIFSt10unique_ptrINS_12_Result_baseENS3_8_DeleterEEvEEPb (libkwin.so.6 + 0x374ba6)
#8 0x00007f4e8a684814 __pthread_once_slow.isra.0 (libc.so.6 + 0x77814)
#9 0x00007f4e8a684889 pthread_once@GLIBC_2.2.5 (libc.so.6 + 0x77889)
#10 0x00007f4e8dd7d433 _ZNSt13__future_base15_Deferred_stateINSt6thread8_InvokerISt5tupleIJZN7QThread6createIZN4KWin15DrmCommitThreadC4EPNS6_6DrmGpuERK7QStringEUlvE_JEEEPS4_OT_DpOT0_EUlDpOT_E_EEEEvE17_M_complete_asyncEv (libkwin.so.6 + 0x37d433)
#11 0x00007f4e8ae2e287 _ZN19QThreadCreateThread3runEv (libQt6Core.so.6 + 0x22e287)
#12 0x00007f4e8aed3c6e _ZN14QThreadPrivate5startEPv (libQt6Core.so.6 + 0x2d3c6e)
#13 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#14 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28654:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67bc84 __syscall_cancel (libc.so.6 + 0x6ec84)
#3 0x00007f4e8a6f5706 ppoll (libc.so.6 + 0xe8706)
#4 0x00007f4e898a0360 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0x4a360)
#5 0x00007f4e898a0423 g_main_context_iteration (libglib-2.0.so.0 + 0x4a423)
#6 0x00007f4e8b020ded _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x420ded)
#7 0x00007f4e8ad0ab23 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x10ab23)
#8 0x00007f4e8ae2dd06 _ZN7QThread4execEv (libQt6Core.so.6 + 0x22dd06)
#9 0x00007f4e8aed3c6e _ZN14QThreadPrivate5startEPv (libQt6Core.so.6 + 0x2d3c6e)
#10 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#11 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28620:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67bc84 __syscall_cancel (libc.so.6 + 0x6ec84)
#3 0x00007f4e8a6f5706 ppoll (libc.so.6 + 0xe8706)
#4 0x00007f4e898a0360 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0x4a360)
#5 0x00007f4e898a0423 g_main_context_iteration (libglib-2.0.so.0 + 0x4a423)
#6 0x00007f4e8b020ded _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x420ded)
#7 0x00007f4e8ad0ab23 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x10ab23)
#8 0x00007f4e8ae2dd06 _ZN7QThread4execEv (libQt6Core.so.6 + 0x22dd06)
#9 0x00007f4e8be55ae1 _ZN22QDBusConnectionManager3runEv (libQt6DBus.so.6 + 0x22ae1)
#10 0x00007f4e8aed3c6e _ZN14QThreadPrivate5startEPv (libQt6Core.so.6 + 0x2d3c6e)
#11 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#12 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28622:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e6d3c462d cnd_wait (libgallium-25.3.5.so + 0x5c462d)
#5 0x00007f4e6d37a0bc util_queue_thread_func (libgallium-25.3.5.so + 0x57a0bc)
#6 0x00007f4e6d3c455c impl_thrd_routine (libgallium-25.3.5.so + 0x5c455c)
#7 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#8 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28623:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67c2ac __futex_abstimed_wait_common (libc.so.6 + 0x6f2ac)
#3 0x00007f4e8a67e97e pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x7197e)
#4 0x00007f4e8a844e00 _ZNSt18condition_variable4waitERSt11unique_lockISt5mutexE (libstdc++.so.6 + 0x44e00)
#5 0x00007f4e8dd7ab08 _ZZN4KWin15DrmCommitThreadC4EPNS_6DrmGpuERK7QStringENKUlvE_clEv.lto_priv.0 (libkwin.so.6 + 0x37ab08)
#6 0x00007f4e8dd7d24a _ZNSt17_Function_handlerIFSt10unique_ptrINSt13__future_base12_Result_baseENS2_8_DeleterEEvENS1_12_Task_setterIS0_INS1_7_ResultIvEES3_ENSt6thread8_InvokerISt5tupleIJZN7QThread6createIZN4KWin15DrmCommitThreadC4EPNSF_6DrmGpuERK7QStringEUlvE_JEEEPSD_OT_DpOT0_EUlDpOT_E_EEEEvEEE9_M_invokeERKSt9_Any_data (libkwin.so.6 + 0x37d24a)
#7 0x00007f4e8dd74ba6 _ZNSt13__future_base13_State_baseV29_M_do_setEPSt8functionIFSt10unique_ptrINS_12_Result_baseENS3_8_DeleterEEvEEPb (libkwin.so.6 + 0x374ba6)
#8 0x00007f4e8a684814 __pthread_once_slow.isra.0 (libc.so.6 + 0x77814)
#9 0x00007f4e8a684889 pthread_once@GLIBC_2.2.5 (libc.so.6 + 0x77889)
#10 0x00007f4e8dd7d433 _ZNSt13__future_base15_Deferred_stateINSt6thread8_InvokerISt5tupleIJZN7QThread6createIZN4KWin15DrmCommitThreadC4EPNS6_6DrmGpuERK7QStringEUlvE_JEEEPS4_OT_DpOT0_EUlDpOT_E_EEEEvE17_M_complete_asyncEv (libkwin.so.6 + 0x37d433)
#11 0x00007f4e8ae2e287 _ZN19QThreadCreateThread3runEv (libQt6Core.so.6 + 0x22e287)
#12 0x00007f4e8aed3c6e _ZN14QThreadPrivate5startEPv (libQt6Core.so.6 + 0x2d3c6e)
#13 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#14 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
Stack trace of thread 28625:
#0 0x00007f4e8a6879a2 __syscall_cancel_arch (libc.so.6 + 0x7a9a2)
#1 0x00007f4e8a67bc3c __internal_syscall_cancel (libc.so.6 + 0x6ec3c)
#2 0x00007f4e8a67bc84 __syscall_cancel (libc.so.6 + 0x6ec84)
#3 0x00007f4e8a6f5706 ppoll (libc.so.6 + 0xe8706)
#4 0x00007f4e898a0360 g_main_context_iterate_unlocked.isra.0 (libglib-2.0.so.0 + 0x4a360)
#5 0x00007f4e898a0423 g_main_context_iteration (libglib-2.0.so.0 + 0x4a423)
#6 0x00007f4e8b020ded _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x420ded)
#7 0x00007f4e8ad0ab23 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x10ab23)
#8 0x00007f4e8ae2dd06 _ZN7QThread4execEv (libQt6Core.so.6 + 0x22dd06)
#9 0x00007f4e8aed3c6e _ZN14QThreadPrivate5startEPv (libQt6Core.so.6 + 0x2d3c6e)
#10 0x00007f4e8a67f464 start_thread (libc.so.6 + 0x72464)
#11 0x00007f4e8a7025ec __clone3 (libc.so.6 + 0xf55ec)
ELF object binary architecture: AMD x86-64
krake
February 27, 2026, 5:03pm
4
A detailed report like this should ideally go to https://bugs.kde.org/
Okay, I’ll post there also ty, if anybody has advice on how to diagnose this then lmk
1 Like
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