<![CDATA[qt.qpa.xcb: QXcbConnection: XCB error: 148 (Unknown)]]>Hello everyone,
I'm trying to implemant canbus example (https://code.qt.io/cgit/qt/qtserialbus.git/tree/examples/serialbus/can?h=5.15.2) but i get this error when i run .pro file:
qt.qpa.xcb: QXcbConnection: XCB error: 148 (Unknown), sequence: 191, resource id: 0, major code: 140 (Unknown), minor code: 20

And nothing appears in the mainwindow !

f31b1f6f-7b87-4cd5-bde0-ef86f139a3fd-image.png

Note: is this a useful solution (https://stackoverflow.com/questions/20799161/how-to-make-qt-and-qtcreator-link-the-libraries-statically-instead-of-dynamic)?

OS: Raspbian GNU/Linux 11 (bullseye) [linux version 5.15.53-v7+]
Qt Creator 4.14.1
Based on Qt 5.15.2 (GCC 10.2.1 20210110, 32 bit)

]]>https://forum.qt.io/topic/138372/qt-qpa-xcb-qxcbconnection-xcb-error-148-unknownRSS for NodeSat, 04 Apr 2026 23:06:03 GMTThu, 04 Aug 2022 10:09:05 GMT60