On Mon, 18 Aug 2003, Tugrul Galatali wrote: > On Mon, 2003-08-18 at 16:21, Benjamin Herrenschmidt wrote: > > Your device tree doesn't contain the EDID... From what I see, I'd > > say > > it's a HW problem (not properly wired screen ?)
Same thing on my iBook. Not sure if it's a hardware problem, though. It manifested after toying with an OpenFirmware hack that enables dual-head output in OSX. > I went and bought the torx screwdriver needed to pop open the > bottom > cover. I unplugged, blasted with compressed air, and reseated all the > wires coming down from the LCD, and that seems to have had no effect. > I > had also unwound on seemingly unecessary and sharp turn in the largest > line down from the LCD. > > OSX is still happy, X is still unhappy. I ended up hardcording the EDID-values into radeonfb.c. Most ugly hack, but at least It Works For Me. > Some point later today, I'll try dismantling the LCD itself and > hope > that fiddling with it might have some effect, aside from destroying it > :) If the cable is removable from both ends, maybe I'll try shopping > for > a replacement. > > Any clue on how I can get this problem to manifest under OSX so > I can > build some sort of case with tech support? $ ioreg -l | grep EDID gives two lines with "EDIDerr=<f615>" or similiar here. Good luck, -- Michael :wq

