Re: Linux 2.6.6 appears to be 3 to 4 times slower than 2.6.5

[Andrew Morton]

Alastair Stevens <alastair.stevens@xxxxxxxxxxxxxxxxx> wrote:
>
> Another "me too" I'm afraid.  I'm running 2.6.6 on an ordinary UP Athlon 
> system under Gentoo, and it behaves very strangely.  About 3 out of 4 times, 
> it hangs during boot-up, at the "Freeing unused kernel memory" stage, and 
> seems to not get as far as calling init....
> 
> Yesterday, it got past that stage, and the various startup scripts began to 
> run, but *achingly* slowly.  It took about 10 minutes to get most of the 
> network services started, with no login prompt in sight - I got fed up and 
> rebooted then, because I needed to get some work done!

Please try again and if it gets all the way to a login prompt, compare the
contents of /proc/mtrr with 2.6.6-rc3.  Also play around with `top', etc. 
See if there's anything unusual happening.
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