Re: 2.4.x & Celeron = very slow system

Alan Cox
2001-08-19T13:52:48Z

> With 2.4.x kernel my system (Celeron (Coppermine) 850Mhz (100x8.5)
> 256Mb i810) behaves like slow i386sx.
> For example, when I extract 25MB gzip file on 2.2.19 kernel - it
> takes about 12 seconds, but with 2.4.8(9) - 6(!) MINUTES on the SAME
> system...
> The only idea is that 2.4.x kernel turns off cache (L1 & L2) on
> processor (on my cpu). How can I check it? Any ideas?

We don't touch the caches like that. First guess is to disable the ACPI
support, because we've seen that do a million bogus things