On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
> On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
> > On Mon, 20 Oct 2003, Vallo Kallaste wrote:
> > 
> > VK>Hi
> > VK>
> > VK>It seems to be a recent problem. The hardware is OK, both Windows XP
> > VK>(which I use very seldom) and Gentoo Linux do not exhibit any
> > VK>problems.
> > VK>Basically one will get random signals as I have got in build- and
> > VK>installworld. It's impossible to complete make -j2 buildworld on my
> > VK>machine, but sometimes non-parallel buildworld will do, only to die
> > VK>later in installworld.
> > VK>This is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
> > VK>1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
> > VK>matters.
> > 
> > I have the same MB just with 1800+ processors. I had to reduce the CPU
> > frequency by about 10% in the BIOS setup to get the machine stable. I
> > assume the problem is actually the memory.
> Couldn't the following be of help here?
> options         DISABLE_PSE
> options         DISABLE_PG_G

I don't think so.  I tried that on my A7M266D with no effect.  I believe
something in recent pmap code doesn't like this mobo, or maybe dual
athlons in general.  I can run RELENG_5_1 rock solid, and -current from
9/24/03 rock solid, but -current from 10/3 or later gets random sigs
and eventually panics.  I have scsi disks so it's not ata.

Barney Wolff         http://www.databus.com/bwresume.pdf
I'm available by contract or FT, in the NYC metro area or via the 'Net.
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