libEGL warning: DRI2: failed to authenticate raspberry pi

RahibeMeryem

Hi,

I have always below error in Rapsberry pi 3B+ Qt10.0 compiled simple gui app.

any solution for this ?

PS : I added user pi to video group etc. but problem still there..

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root'
libEGL warning: DRI2: failed to authenticate
Unable to query physical screen size, defaulting to 100 dpi.
To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters)