> > This sounds more like a hardware problem in your machine (not display) > > than a bug in Plan 9. Plan 9 crashing hard shouldn't do anything to the > > bios (unless it did something *really* nasty in /dev/realmode, but I > > can't think of anything that would trash the bios). > > Thanks to both for your reply. I will have to investigate (and see what > is producing this).
i would recommend using aux/realemu. it provides a measure of safety when doing mode setting. it could be that the vesa bios does go off into the woods when it detects a 16:9 monitor. the vesa bios has access to this information through the edid sideband communication, which is available on almost every video interconnect, including vga. - erik
