qt.qpa.plugin: Could not load the Qt platform plugin "xcb"
Unsolved
Installation and Deployment
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Ok, I have found the xcb part. Maybe this helps a bit:
QFactoryLoader::QFactoryLoader() checking directory path "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms" ... QFactoryLoader::QFactoryLoader() looking at "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so" Found metadata in lib /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "xcb" ] }, "archreq": 0, "className": "QXcbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("xcb") QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt/plugins/platforms" ... QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqeglfs.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqeglfs.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "eglfs" ] }, "archreq": 0, "className": "QEglFSIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("eglfs") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqlinuxfb.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqlinuxfb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "linuxfb" ] }, "archreq": 0, "className": "QLinuxFbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("linuxfb") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqminimal.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimal.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "minimal" ] }, "archreq": 0, "className": "QMinimalIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("minimal") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqminimalegl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimalegl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "minimalegl" ] }, "archreq": 0, "className": "QMinimalEglIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("minimalegl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqoffscreen.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqoffscreen.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "offscreen" ] }, "archreq": 0, "className": "QOffscreenIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("offscreen") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqvnc.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqvnc.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "vnc" ] }, "archreq": 0, "className": "QVncIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("vnc") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-egl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-egl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-egl" ] }, "archreq": 0, "className": "QWaylandEglPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-generic.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-generic.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland" ] }, "archreq": 0, "className": "QWaylandIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-xcomposite-egl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-xcomposite-egl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-xcomposite-egl" ] }, "archreq": 0, "className": "QWaylandXCompositeEglPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-xcomposite-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-xcomposite-glx.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-xcomposite-glx.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-xcomposite-glx" ] }, "archreq": 0, "className": "QWaylandXCompositeGlxPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-xcomposite-glx") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqxcb.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqxcb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "xcb" ] }, "archreq": 0, "className": "QXcbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("xcb") QFactoryLoader::QFactoryLoader() checking directory path "/usr/bin/platforms" ... loaded library "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so" QObject::moveToThread: Current thread (0x55871b6fa2c0) is not the object's thread (0x55871b6bee30). Cannot move to target thread (0x55871b6fa2c0) qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins" 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: xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx. -
Ok, I have found the xcb part. Maybe this helps a bit:
QFactoryLoader::QFactoryLoader() checking directory path "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms" ... QFactoryLoader::QFactoryLoader() looking at "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so" Found metadata in lib /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "xcb" ] }, "archreq": 0, "className": "QXcbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("xcb") QFactoryLoader::QFactoryLoader() checking directory path "/usr/lib/qt/plugins/platforms" ... QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqeglfs.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqeglfs.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "eglfs" ] }, "archreq": 0, "className": "QEglFSIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("eglfs") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqlinuxfb.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqlinuxfb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "linuxfb" ] }, "archreq": 0, "className": "QLinuxFbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("linuxfb") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqminimal.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimal.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "minimal" ] }, "archreq": 0, "className": "QMinimalIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("minimal") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqminimalegl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqminimalegl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "minimalegl" ] }, "archreq": 0, "className": "QMinimalEglIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("minimalegl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqoffscreen.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqoffscreen.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "offscreen" ] }, "archreq": 0, "className": "QOffscreenIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("offscreen") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqvnc.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqvnc.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "vnc" ] }, "archreq": 0, "className": "QVncIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("vnc") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-egl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-egl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-egl" ] }, "archreq": 0, "className": "QWaylandEglPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-generic.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-generic.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland" ] }, "archreq": 0, "className": "QWaylandIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-xcomposite-egl.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-xcomposite-egl.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-xcomposite-egl" ] }, "archreq": 0, "className": "QWaylandXCompositeEglPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-xcomposite-egl") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqwayland-xcomposite-glx.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqwayland-xcomposite-glx.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "wayland-xcomposite-glx" ] }, "archreq": 0, "className": "QWaylandXCompositeGlxPlatformIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("wayland-xcomposite-glx") QFactoryLoader::QFactoryLoader() looking at "/usr/lib/qt/plugins/platforms/libqxcb.so" Found metadata in lib /usr/lib/qt/plugins/platforms/libqxcb.so, metadata= { "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3", "MetaData": { "Keys": [ "xcb" ] }, "archreq": 0, "className": "QXcbIntegrationPlugin", "debug": false, "version": 331520 } Got keys from plugin meta data ("xcb") QFactoryLoader::QFactoryLoader() checking directory path "/usr/bin/platforms" ... loaded library "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so" QObject::moveToThread: Current thread (0x55871b6fa2c0) is not the object's thread (0x55871b6bee30). Cannot move to target thread (0x55871b6fa2c0) qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins" 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: xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx. -
@Puddies
Tryldd /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.soAny "not found"s?
ldd: Warnung: Sie haben kein Ausführungsrecht für `/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so' linux-vdso.so.1 (0x00007ffe5aac9000) libQt5XcbQpa-70670cdb.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5XcbQpa-70670cdb.so.5.15.0 (0x00007f53138ac000) libfreetype-8d3bcff4.so.6.14.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libfreetype-8d3bcff4.so.6.14.0 (0x00007f53135dc000) libz-d8a329de.so.1.2.7 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libz-d8a329de.so.1.2.7 (0x00007f53133c5000) libQt5Gui-ca084835.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Gui-ca084835.so.5.15.0 (0x00007f5312a2e000) libQt5Core-d92f2856.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Core-d92f2856.so.5.15.0 (0x00007f53122d4000) libGL.so.1 => /usr/lib/libGL.so.1 (0x00007f531224e000) libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f531222d000) libX11-xcb-1ae4fd0e.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libX11-xcb-1ae4fd0e.so.1.0.0 (0x00007f531202a000) libxcb-icccm-413c9f41.so.4.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-icccm-413c9f41.so.4.0.0 (0x00007f5311e24000) libxcb-image-e82a276d.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-image-e82a276d.so.0.0.0 (0x00007f5311c1a000) libxcb-shm-7a199f70.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shm-7a199f70.so.0.0.0 (0x00007f5311a14000) libxcb-keysyms-21015570.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-keysyms-21015570.so.1.0.0 (0x00007f5311810000) libxcb-randr-a96a5a87.so.0.1.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-randr-a96a5a87.so.0.1.0 (0x00007f53115f9000) libxcb-render-util-43ce00f5.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-util-43ce00f5.so.0.0.0 (0x00007f53113f3000) libxcb-render-637b984a.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-637b984a.so.0.0.0 (0x00007f53111dd000) libxcb-shape-25c2b258.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shape-25c2b258.so.0.0.0 (0x00007f5310fd7000) libxcb-sync-89374f40.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-sync-89374f40.so.1.0.0 (0x00007f5310dce000) libxcb-xfixes-9be3ba6f.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xfixes-9be3ba6f.so.0.0.0 (0x00007f5310bc2000) libxcb-xinerama-ae147f87.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xinerama-ae147f87.so.0.0.0 (0x00007f53109bd000) libxcb-xkb-9ba31ab3.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xkb-9ba31ab3.so.1.0.0 (0x00007f5310794000) libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007f531076a000) libXext.so.6 => /usr/lib/libXext.so.6 (0x00007f5310755000) libX11.so.6 => /usr/lib/libX11.so.6 (0x00007f5310614000) libSM.so.6 => /usr/lib/libSM.so.6 (0x00007f531060a000) libICE.so.6 => /usr/lib/libICE.so.6 (0x00007f53105ed000) libxkbcommon-x11-c65ed502.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-x11-c65ed502.so.0.0.0 (0x00007f53103de000) libxkbcommon-71ae2972.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-71ae2972.so.0.0.0 (0x00007f531019d000) libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f5310196000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f530ff80000) libm.so.6 => /usr/lib/libm.so.6 (0x00007f530fe3c000) libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f530fe21000) libc.so.6 => /usr/lib/libc.so.6 (0x00007f530fc53000) libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x00007f530fc4e000) libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x00007f530fb19000) libbz2-a273e504.so.1.0.6 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libbz2-a273e504.so.1.0.6 (0x00007f530f908000) libpng15-c2ffaf3d.so.15.13.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libpng15-c2ffaf3d.so.15.13.0 (0x00007f530f6d9000) /usr/lib64/ld-linux-x86-64.so.2 (0x00007f5313b5f000) libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0 (0x00007f530f61f000) libGLX.so.0 => /usr/lib/libGLX.so.0 (0x00007f530f5ec000) libxcb-util-4d666913.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-util-4d666913.so.1.0.0 (0x00007f530f3e5000) libXau-00ec42fe.so.6.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libXau-00ec42fe.so.6.0.0 (0x00007f530f1e0000) libXau.so.6 => /usr/lib/libXau.so.6 (0x00007f530f1d9000) libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007f530f1d1000) libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007f530f1c8000) libpcre.so.1 => /usr/lib/libpcre.so.1 (0x00007f530f156000) -
ldd: Warnung: Sie haben kein Ausführungsrecht für `/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so' linux-vdso.so.1 (0x00007ffe5aac9000) libQt5XcbQpa-70670cdb.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5XcbQpa-70670cdb.so.5.15.0 (0x00007f53138ac000) libfreetype-8d3bcff4.so.6.14.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libfreetype-8d3bcff4.so.6.14.0 (0x00007f53135dc000) libz-d8a329de.so.1.2.7 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libz-d8a329de.so.1.2.7 (0x00007f53133c5000) libQt5Gui-ca084835.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Gui-ca084835.so.5.15.0 (0x00007f5312a2e000) libQt5Core-d92f2856.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Core-d92f2856.so.5.15.0 (0x00007f53122d4000) libGL.so.1 => /usr/lib/libGL.so.1 (0x00007f531224e000) libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f531222d000) libX11-xcb-1ae4fd0e.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libX11-xcb-1ae4fd0e.so.1.0.0 (0x00007f531202a000) libxcb-icccm-413c9f41.so.4.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-icccm-413c9f41.so.4.0.0 (0x00007f5311e24000) libxcb-image-e82a276d.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-image-e82a276d.so.0.0.0 (0x00007f5311c1a000) libxcb-shm-7a199f70.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shm-7a199f70.so.0.0.0 (0x00007f5311a14000) libxcb-keysyms-21015570.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-keysyms-21015570.so.1.0.0 (0x00007f5311810000) libxcb-randr-a96a5a87.so.0.1.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-randr-a96a5a87.so.0.1.0 (0x00007f53115f9000) libxcb-render-util-43ce00f5.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-util-43ce00f5.so.0.0.0 (0x00007f53113f3000) libxcb-render-637b984a.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-637b984a.so.0.0.0 (0x00007f53111dd000) libxcb-shape-25c2b258.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shape-25c2b258.so.0.0.0 (0x00007f5310fd7000) libxcb-sync-89374f40.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-sync-89374f40.so.1.0.0 (0x00007f5310dce000) libxcb-xfixes-9be3ba6f.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xfixes-9be3ba6f.so.0.0.0 (0x00007f5310bc2000) libxcb-xinerama-ae147f87.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xinerama-ae147f87.so.0.0.0 (0x00007f53109bd000) libxcb-xkb-9ba31ab3.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xkb-9ba31ab3.so.1.0.0 (0x00007f5310794000) libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007f531076a000) libXext.so.6 => /usr/lib/libXext.so.6 (0x00007f5310755000) libX11.so.6 => /usr/lib/libX11.so.6 (0x00007f5310614000) libSM.so.6 => /usr/lib/libSM.so.6 (0x00007f531060a000) libICE.so.6 => /usr/lib/libICE.so.6 (0x00007f53105ed000) libxkbcommon-x11-c65ed502.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-x11-c65ed502.so.0.0.0 (0x00007f53103de000) libxkbcommon-71ae2972.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-71ae2972.so.0.0.0 (0x00007f531019d000) libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f5310196000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f530ff80000) libm.so.6 => /usr/lib/libm.so.6 (0x00007f530fe3c000) libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f530fe21000) libc.so.6 => /usr/lib/libc.so.6 (0x00007f530fc53000) libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x00007f530fc4e000) libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x00007f530fb19000) libbz2-a273e504.so.1.0.6 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libbz2-a273e504.so.1.0.6 (0x00007f530f908000) libpng15-c2ffaf3d.so.15.13.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libpng15-c2ffaf3d.so.15.13.0 (0x00007f530f6d9000) /usr/lib64/ld-linux-x86-64.so.2 (0x00007f5313b5f000) libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0 (0x00007f530f61f000) libGLX.so.0 => /usr/lib/libGLX.so.0 (0x00007f530f5ec000) libxcb-util-4d666913.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-util-4d666913.so.1.0.0 (0x00007f530f3e5000) libXau-00ec42fe.so.6.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libXau-00ec42fe.so.6.0.0 (0x00007f530f1e0000) libXau.so.6 => /usr/lib/libXau.so.6 (0x00007f530f1d9000) libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007f530f1d1000) libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007f530f1c8000) libpcre.so.1 => /usr/lib/libpcre.so.1 (0x00007f530f156000)@Puddies said in qt.qpa.plugin: Could not load the Qt platform plugin "xcb":
ldd: Warnung: Sie haben kein Ausführungsrecht für/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so'`The dependencies look OK, but never seen this warning before. What does
ls -lon it tell you?Having said that, it did report
loaded library "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so"I would be looking at the
QObject::moveToThread: Current thread (0x55871b6fa2c0) is not the object's thread (0x55871b6bee30). Cannot move to target thread (0x55871b6fa2c0)You should not be getting this. Are you playing with threads somewhere?
-
ldd: Warnung: Sie haben kein Ausführungsrecht für `/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so' linux-vdso.so.1 (0x00007ffe5aac9000) libQt5XcbQpa-70670cdb.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5XcbQpa-70670cdb.so.5.15.0 (0x00007f53138ac000) libfreetype-8d3bcff4.so.6.14.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libfreetype-8d3bcff4.so.6.14.0 (0x00007f53135dc000) libz-d8a329de.so.1.2.7 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libz-d8a329de.so.1.2.7 (0x00007f53133c5000) libQt5Gui-ca084835.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Gui-ca084835.so.5.15.0 (0x00007f5312a2e000) libQt5Core-d92f2856.so.5.15.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libQt5Core-d92f2856.so.5.15.0 (0x00007f53122d4000) libGL.so.1 => /usr/lib/libGL.so.1 (0x00007f531224e000) libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f531222d000) libX11-xcb-1ae4fd0e.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libX11-xcb-1ae4fd0e.so.1.0.0 (0x00007f531202a000) libxcb-icccm-413c9f41.so.4.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-icccm-413c9f41.so.4.0.0 (0x00007f5311e24000) libxcb-image-e82a276d.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-image-e82a276d.so.0.0.0 (0x00007f5311c1a000) libxcb-shm-7a199f70.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shm-7a199f70.so.0.0.0 (0x00007f5311a14000) libxcb-keysyms-21015570.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-keysyms-21015570.so.1.0.0 (0x00007f5311810000) libxcb-randr-a96a5a87.so.0.1.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-randr-a96a5a87.so.0.1.0 (0x00007f53115f9000) libxcb-render-util-43ce00f5.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-util-43ce00f5.so.0.0.0 (0x00007f53113f3000) libxcb-render-637b984a.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-render-637b984a.so.0.0.0 (0x00007f53111dd000) libxcb-shape-25c2b258.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-shape-25c2b258.so.0.0.0 (0x00007f5310fd7000) libxcb-sync-89374f40.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-sync-89374f40.so.1.0.0 (0x00007f5310dce000) libxcb-xfixes-9be3ba6f.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xfixes-9be3ba6f.so.0.0.0 (0x00007f5310bc2000) libxcb-xinerama-ae147f87.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xinerama-ae147f87.so.0.0.0 (0x00007f53109bd000) libxcb-xkb-9ba31ab3.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-xkb-9ba31ab3.so.1.0.0 (0x00007f5310794000) libxcb.so.1 => /usr/lib/libxcb.so.1 (0x00007f531076a000) libXext.so.6 => /usr/lib/libXext.so.6 (0x00007f5310755000) libX11.so.6 => /usr/lib/libX11.so.6 (0x00007f5310614000) libSM.so.6 => /usr/lib/libSM.so.6 (0x00007f531060a000) libICE.so.6 => /usr/lib/libICE.so.6 (0x00007f53105ed000) libxkbcommon-x11-c65ed502.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-x11-c65ed502.so.0.0.0 (0x00007f53103de000) libxkbcommon-71ae2972.so.0.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxkbcommon-71ae2972.so.0.0.0 (0x00007f531019d000) libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f5310196000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f530ff80000) libm.so.6 => /usr/lib/libm.so.6 (0x00007f530fe3c000) libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f530fe21000) libc.so.6 => /usr/lib/libc.so.6 (0x00007f530fc53000) libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x00007f530fc4e000) libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x00007f530fb19000) libbz2-a273e504.so.1.0.6 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libbz2-a273e504.so.1.0.6 (0x00007f530f908000) libpng15-c2ffaf3d.so.15.13.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libpng15-c2ffaf3d.so.15.13.0 (0x00007f530f6d9000) /usr/lib64/ld-linux-x86-64.so.2 (0x00007f5313b5f000) libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0 (0x00007f530f61f000) libGLX.so.0 => /usr/lib/libGLX.so.0 (0x00007f530f5ec000) libxcb-util-4d666913.so.1.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libxcb-util-4d666913.so.1.0.0 (0x00007f530f3e5000) libXau-00ec42fe.so.6.0.0 => /home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/../../../../opencv_python.libs/libXau-00ec42fe.so.6.0.0 (0x00007f530f1e0000) libXau.so.6 => /usr/lib/libXau.so.6 (0x00007f530f1d9000) libXdmcp.so.6 => /usr/lib/libXdmcp.so.6 (0x00007f530f1d1000) libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007f530f1c8000) libpcre.so.1 => /usr/lib/libpcre.so.1 (0x00007f530f156000)@Puddies said in qt.qpa.plugin: Could not load the Qt platform plugin "xcb":
ldd: Warnung: Sie haben kein Ausführungsrecht für `/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so'
Check your permissons on this directory. It expects execution permission. Seems strange.
@JonB It says "ldd: warning: you do not have execution permission for...."
-
@Puddies said in qt.qpa.plugin: Could not load the Qt platform plugin "xcb":
ldd: Warnung: Sie haben kein Ausführungsrecht für/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so'`The dependencies look OK, but never seen this warning before. What does
ls -lon it tell you?Having said that, it did report
loaded library "/home/<username>/.local/lib/python3.9/site-packages/cv2/qt/plugins/platforms/libqxcb.so"I would be looking at the
QObject::moveToThread: Current thread (0x55871b6fa2c0) is not the object's thread (0x55871b6bee30). Cannot move to target thread (0x55871b6fa2c0)You should not be getting this. Are you playing with threads somewhere?
@JonB
ls -lreturns
-rw-r--r-- 1 <username> <group> 104K 10. Jun 13:34 libqxcb.soI set execution permissions and the warning disappeared. However, this did not resolve the crash of my application.
I dont use any threads in my code. However, I dont also use QT directly, I use matplotlib for the gui (which uses qt).
But I did not explicitely use threads here. -
@JonB
ls -lreturns
-rw-r--r-- 1 <username> <group> 104K 10. Jun 13:34 libqxcb.soI set execution permissions and the warning disappeared. However, this did not resolve the crash of my application.
I dont use any threads in my code. However, I dont also use QT directly, I use matplotlib for the gui (which uses qt).
But I did not explicitely use threads here.@Puddies
Normally under Linux.sofiles are marked executable, so would be-rwxr-xr-x. That will be the cause of the warning message. But it doesn't actually matter, since it says it loaded it.I still think you have a threading issue as per the message, I don't know if that is what is causing your problem.
-
Thread https://forum.qt.io/topic/127832/pyqt5-and-tensorflowlite-causes-crashes/3 shows exactly the same output and issue. If someone can answer one it answers the other....
