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