On Thursday 19 August 2010 22:43:19 Paul Hartman wrote: > I think, from the error you posted about originally, it's just > letting you know: "Hey, your MTRR was set wrong and we've changed it > for you". So changing it would simply make the message go away but > not actually perform any differently because you'd be setting it to > the same value it is auto-correcting it to anyway. Or that's how I > understand it, at least.
I thought that too, until I looked a bit more closely and saw this: [ 0.608643] mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining [ 0.608725] [drm] MTRR allocation failed. Graphics performance may suffer. "failed" seems ominous. No wonder Walter asked advice. -- Rgds Peter. Linux Counter 5290, 1994-04-23.
