Re: Strange Slowdown

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 18 Aug 2001 13:57:02 +0100 (BST)


> After i switched "High Memory-Support" to "OFF"(4GB Before) the speed went
> to normal, but now less than half RAM is used.
> Any suggestions?

This sounds like the top of memory is running uncached due to wrong mtrr
settings from the BIOS. Can you post your /proc/mtrr
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