Subject: Re: Problem with Wietek PowerUP
To: Petter Skott <lps@ludd.luth.se>
From: David Brownlee <abs@netbsd.org>
List: port-sparc
Date: 02/19/2001 15:01:34
	At a guess you might be able to comment out the

        stba(AC_SYSENABLE, ASI_CONTROL,
             lduba(AC_SYSENABLE, ASI_CONTROL) | SYSEN_CACHE);

	lines in sys/arch/sparc/sparc/cache.c:sun4_cache_enable()

		David/absolute		-- www.netbsd.org: No hype required --


On Mon, 19 Feb 2001, Petter Skott wrote:

> I do'nt think that it's possible to build souch a kernel, however i'm not
> sure of it.
> I did'nt conduct any tests whith diffrent memory sizes.
> There is deffinitly a difference between Solaris and NetBSD, NetBSD worked
> well before the upgrade which indicates that NetBSD uses the cache/memory
> more frequently then Solaris.
>
> /Petter
>
>
> On Mon, 19 Feb 2001, David Brownlee wrote:
>
> > 	Is it possible to compile a kernel which would run with cache
> > 	disables to test this? Also, have you tried running with half the
> > 	memory (then swapping to the other half) to see if it could be
> > 	a memory issue. Its possible NetBSD puts a different usage pattern
> > 	on the memory/cache to Solaris.
> >
> > 		David/absolute		-- www.netbsd.org: No hype required --
> >
>
>