Bug Kwin

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peterjansen Registered Member Posts 2 Karma 0	Bug Kwin Wed Jan 22, 2020 3:04 pm I run KDE on Arch, recently Kwin broke after updating. All of the sudden the compositing-function of Kwin does not work anymore and KDE lost the ability to apply transparancy, Yakuake lost transparancy and when I open the appearance tab of the edit profile tab then I get this error message: The background transparency setting will not be used because your desktop does not appear to support transparent windows. I searched a lot with search-engines to figure out what is going on, nothing useful shows up. How do I get the compositing (no tearing!) and transparancy back? Which are the relevant files which I should look at? The GUI doesn't offer any solution to set this as far as I can tell. I use a 5700 XT, I didn't have these issues before with the same graphics card. Oh, and this. https://i.imgur.com/O2yDq5e.png Screenshot taken without changing anything. It is not a user-error apparently. Compositing is turned on. Just to be thorough I tried to disable "allow applications to block compositing", that did not help either. There has to be a bug. When I enter this command in the terminal qdbus org.kde.KWin /KWin supportInformation Then this is the end of the output Compositing =========== Compositing is not active In the screenshot you see that compositing is turned on in the GUI but somehow Kwin refuses to apply it. Here the full output. ========================== Version ======= KWin version: 5.17.5 Qt Version: 5.14.0 Qt compile version: 5.14.0 XCB compile version: 1.13.1 Operation Mode: X11 only Build Options ============= KWIN_BUILD_DECORATIONS: yes KWIN_BUILD_TABBOX: yes KWIN_BUILD_ACTIVITIES: yes HAVE_DRM: yes HAVE_GBM: yes HAVE_EGL_STREAMS: yes HAVE_X11_XCB: yes HAVE_EPOXY_GLX: yes HAVE_WAYLAND_EGL: yes X11 === Vendor: The X.Org Foundation Vendor Release: 12007000 Protocol Version/Revision: 11/0 SHAPE: yes; Version: 0x11 RANDR: yes; Version: 0x14 DAMAGE: yes; Version: 0x11 Composite: yes; Version: 0x4 RENDER: yes; Version: 0xb XFIXES: yes; Version: 0x50 SYNC: yes; Version: 0x31 GLX: yes; Version: 0x0 Decoration ========== Plugin: org.kde.kwin.aurorae Theme: __aurorae__svg__Sweet-Dark Plugin recommends border size: No Blur: 1 onAllDesktopsAvailable: true alphaChannelSupported: false closeOnDoubleClickOnMenu: false decorationButtonsLeft: 0, 2 decorationButtonsRight: 6, 3, 4, 5 borderSize: 3 gridUnit: 10 font: Noto Sans,10,-1,0,50,0,0,0,0,0,Regular smallSpacing: 2 largeSpacing: 10 Platform ========== Name: KWin::X11StandalonePlatform Options ======= focusPolicy: 0 nextFocusPrefersMouse: false clickRaise: true autoRaise: false autoRaiseInterval: 0 delayFocusInterval: 0 shadeHover: false shadeHoverInterval: 250 separateScreenFocus: false placement: 4 focusPolicyIsReasonable: true borderSnapZone: 10 windowSnapZone: 10 centerSnapZone: 0 snapOnlyWhenOverlapping: false rollOverDesktops: true focusStealingPreventionLevel: 0 operationTitlebarDblClick: 5000 operationMaxButtonLeftClick: 5000 operationMaxButtonMiddleClick: 5015 operationMaxButtonRightClick: 5014 commandActiveTitlebar1: 0 commandActiveTitlebar2: 28 commandActiveTitlebar3: 2 commandInactiveTitlebar1: 4 commandInactiveTitlebar2: 28 commandInactiveTitlebar3: 2 commandWindow1: 7 commandWindow2: 8 commandWindow3: 8 commandWindowWheel: 28 commandAll1: 10 commandAll2: 3 commandAll3: 14 keyCmdAllModKey: 16777251 showGeometryTip: false condensedTitle: false electricBorderMaximize: true electricBorderTiling: true electricBorderCornerRatio: 0.25 borderlessMaximizedWindows: false killPingTimeout: 5000 hideUtilityWindowsForInactive: true compositingMode: 1 useCompositing: true hiddenPreviews: 1 glSmoothScale: 2 xrenderSmoothScale: false maxFpsInterval: 16666666 refreshRate: 0 vBlankTime: 6000000 glStrictBinding: true glStrictBindingFollowsDriver: true glCoreProfile: false glPreferBufferSwap: 97 glPlatformInterface: 1 windowsBlockCompositing: true Screen Edges ============ desktopSwitching: false desktopSwitchingMovingClients: false cursorPushBackDistance: 1x1 timeThreshold: 150 reActivateThreshold: 350 actionTopLeft: 0 actionTop: 0 actionTopRight: 0 actionRight: 0 actionBottomRight: 0 actionBottom: 0 actionBottomLeft: 0 actionLeft: 0 Screens ======= Multi-Head: no Active screen follows mouse: no Number of Screens: 1 Screen 0: --------- Name: HDMI-1 Geometry: 0,0,1920x1080 Scale: 1 Refresh Rate: 60 Compositing =========== Compositing is not active Now I get this message in the compositing tab of system settings: OpenGL compositing (the default) has crashed KWin in the past. This was most likely due to a driver bug. If you think that you have meanwhile upgraded to a stable driver, you can reset this protection but be aware that this might result in an immediate crash! Alternatively, you might want to use the XRender backend instead. Some issue with Kwin not playing nice with the GPUOpen/mesa-drivers? PS Could this forum please accept 1080p pictures? Most people have a 1080p monitor.
peterjansen Registered Member Posts 2 Karma 0	Re: Bug Kwin Wed Jan 22, 2020 3:30 pm By big exception I will reply to my own topic, not to bump it or whatever but because I have the/a solution: switching from OpenGL 2.0 to OpenGL 3.1 solved the issue. I will leave it to the KDE-developers to connect the dots (I should have given enough information and if they want more information then I can give it) but apparently updated drivers did not allow Kwin to work with OpenGL 2.0 anymore.
Mamarok Manager Posts 6071 Karma 16 OS	Re: Bug Kwin Thu Jan 23, 2020 11:30 am FWIW: please do not report bugs in the forum, these need to be reported in https://bugs.kde.org Running Kubuntu 22.10 with Plasma 5.26.3, Frameworks 5.100.0, Qt 5.15.6, kernel 5.19.0-23 on Ryzen 5 4600H, AMD Renoir, X11 FWIW: it's always useful to state the exact Plasma version (+ distribution) when asking questions, makes it easier to help ...
Mnemonic Registered Member Posts 11 Karma 0	Re: Bug Kwin Sat Aug 01, 2020 10:17 am I'm running Manjaro KDE, and I have this issue. Sometimes I'm lucky on startup, and compositing will start, but other times, it doesn't. When I go in to the "Compositing" settings, I see the "OpenGL compositing (the default) has crashed KWin in the past. This was most likely due to a driver bug." message. When I run Code: Select all `sudo journalctl -x` I'm not exactly sure what the output means or what to look for, but I see the following that might be related (because it mentions kcms/kwincompositing failing to load): Code: Select all -- The job identifier is 167. Aug 01 10:50:34 z97 systemsettings5[1652]: Cyclic dependency detected between "file:///usr/lib/qt/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" and "file:///usr/lib/qt/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" Aug 01 10:50:34 z97 systemsettings5[1652]: file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/SubCategoryPage.qml:141:9: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... } Aug 01 10:50:34 z97 systemsettings5[1652]: file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/SubCategoryPage.qml:131:9: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... } Aug 01 10:50:34 z97 systemsettings5[1652]: file:///usr/lib/qt/qml/org/kde/kirigami.2/private/RefreshableScrollView.qml:143:13: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... } Aug 01 10:50:34 z97 systemsettings5[1652]: file:///usr/lib/qt/qml/org/kde/kirigami.2/private/RefreshableScrollView.qml:143:13: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... } Aug 01 10:50:34 z97 systemsettings5[1652]: Cyclic dependency detected between "file:///usr/lib/qt/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" and "file:///usr/lib/qt/qml/org/kde/kirigami.2/styles/org.kde.desktop.plasma/Units.qml" Aug 01 10:50:34 z97 systemsettings5[1652]: QQmlEngine::setContextForObject(): Object already has a QQmlContext Aug 01 10:50:34 z97 plasmashell[1403]: file:///usr/share/plasma/plasmoids/org.kde.plasma.taskmanager/contents/ui/Task.qml:285:5: QML Connections: Implicitly defined onFoo properties in Connections are deprecated. Use this syntax instead: function onFoo(<arguments>) { ... } Aug 01 10:50:37 z97 systemsettings5[1652]: Couldn't load plugin "kcms/kwincompositing" : "The shared library was not found." -- falling back to old-style loading from desktop file I found another post that mentions creating this file: Code: Select all `$ cat ~/.config/plasma-workspace/env/resume-compositor.sh #!/bin/bash qdbus org.kde.KWin /Compositor suspend qdbus org.kde.KWin /Compositor resume` However, I have found that this isn't 100% reliable when my computer starts up. I can run it manually from the terminal though, and it will start the KWin Compositor. I might try a fresh install of another distro...
Mnemonic Registered Member Posts 11 Karma 0	Re: Bug Kwin Sat Aug 01, 2020 10:27 am ALT + SHIFT + F12 starts the KWin Compositor again, but it's annoying doing that every time I boot and sign in.