| Summary: | "qt.qpa.xcb: could not connect to display". Cant start plasma after update and reboot | ||
|---|---|---|---|
| Product: | [Plasma] kstart | Reporter: | Daniel <daniilgavshin> |
| Component: | general | Assignee: | Unassigned bugs mailing-list <unassigned-bugs> |
| Status: | RESOLVED NOT A BUG | ||
| Severity: | critical | ||
| Priority: | NOR | ||
| Version: | 5.18.1 | ||
| Target Milestone: | --- | ||
| Platform: | Kubuntu | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
kstart5 is not the right way to start Plasma. |
SUMMARY STEPS TO REPRODUCE 1. pkcon update 2. reboot OBSERVED RESULT $> kstart5 Got keys from plugin meta data ("wayland-xcomposite-glx") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so" Found metadata in lib /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "xcb" ] }, "archreq": 0, "className": "QXcbIntegrationPlugin", "debug": false, "version": 331264 } Got keys from plugin meta data ("xcb") QFactoryLoader::QFactoryLoader() checking directory path "/usr/bin/platforms" ... QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/KWinQpaPlugin.so" Got keys from plugin meta data ("wayland-org.kde.kwin.qpa") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqeglfs.so" Got keys from plugin meta data ("eglfs") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqlinuxfb.so" Got keys from plugin meta data ("linuxfb") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqminimal.so" Got keys from plugin meta data ("minimal") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqminimalegl.so" Got keys from plugin meta data ("minimalegl") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqoffscreen.so" Got keys from plugin meta data ("offscreen") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqvnc.so" Got keys from plugin meta data ("vnc") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqwayland-egl.so" Got keys from plugin meta data ("wayland-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqwayland-generic.so" Got keys from plugin meta data ("wayland") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqwayland-xcomposite-egl.so" Got keys from plugin meta data ("wayland-xcomposite-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqwayland-xcomposite-glx.so" Got keys from plugin meta data ("wayland-xcomposite-glx") QFactoryLoader::QFactoryLoader() looking at "/usr/bin/platforms/libqxcb.so" Got keys from plugin meta data ("xcb") loaded library "/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so" qt.qpa.xcb: could not connect to display qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found. This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem. Available platform plugins are: wayland-org.kde.kwin.qpa, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb. EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Linux 5.3.0-40 generic 18.04 Ubuntu (available in About System) KDE Plasma Version: 4:5.18.2+p18.04+git20200303 KDE Frameworks Version: Qt Version: 5.14.1+dsfg-0+xneon+18.04+bionic+build81 ADDITIONAL INFORMATION