Hi! Riccardo Mottola wrote: > an update on this - Last kernel 5.15 works fine on my PowerBook again! > Will test now on my iBooks and also on the iMac where I never had issues > however. Good news. X11 is working again: * clamshell iBook G3 * white iBook G4 * iMac G5 iSight (never stopped working, but better check!) All these systems have ATI cards of varying vintage. Riccardo