Hi, Google, and the other natural (yet non-human) resources let me down. :-( Folks on testers-list@xxxxxxxxxx were not able to help. :-( Not all is lost... I can live without the thumb buttons but the jumpiness and erratic movement is driving me nuts. Set up is nothing special. Fully patched Red Hat 9 and a Logitech Mx500 USB optical mouse. Oh, I am using the Super FreeS/WAN kernel but the problem is the same with the RH kernel. cheers, -- I think, therefore, ken_i_m gratuitous sig <here></here> _______________________________________________ XFree86 mailing list XFree86@xxxxxxxxxxx http://XFree86.Org/mailman/listinfo/xfree86