> So how do you boot? (we use BootX). Which kernel arguments? (we use Don't. Use yaboot. BootX runs as part of the MacOS startup, and MacOS sets up overlapping PCI resources for the Mach64. The X server doesn't like that, and disables one of these resources. This the kernel cannot cope with. With XFree 4.0, on my Lombard, the result was always the same: kernel panic, on occasion followed by severe filesystem corruption.
video=atyfb:vmode:14,cmode:32,mclk:89 is my kernel option for the Mach64. Michael