Re: Random signals in {build,install}world recently?

From: Harti Brandt <brandt_at_fokus.fraunhofer.de>
Date: Mon, 20 Oct 2003 17:15:02 +0200 (CEST)
On Mon, 20 Oct 2003, Christian Brueffer wrote:

CB>On Mon, Oct 20, 2003 at 10:50:02AM -0400, Barney Wolff wrote:
CB>> On Mon, Oct 20, 2003 at 03:20:56PM +0200, Mark Santcroos wrote:
CB>> > On Mon, Oct 20, 2003 at 10:27:38AM +0200, Harti Brandt wrote:
CB>> > > On Mon, 20 Oct 2003, Vallo Kallaste wrote:
CB>> > >
CB>> > > VK>Hi
CB>> > > VK>
CB>> > > VK>It seems to be a recent problem. The hardware is OK, both Windows XP
CB>> > > VK>(which I use very seldom) and Gentoo Linux do not exhibit any
CB>> > > VK>problems.
CB>> > > VK>Basically one will get random signals as I have got in build- and
CB>> > > VK>installworld. It's impossible to complete make -j2 buildworld on my
CB>> > > VK>machine, but sometimes non-parallel buildworld will do, only to die
CB>> > > VK>later in installworld.
CB>> > > VK>This is on two-processor AMD 2400+ MP system, ASUS A7M-266D mobo and
CB>> > > VK>1GB ECC memory, ATA disks and CD/RW-DVD only. 4BSD scheduler if it
CB>> > > VK>matters.
CB>> > >
CB>> > > I have the same MB just with 1800+ processors. I had to reduce the CPU
CB>> > > frequency by about 10% in the BIOS setup to get the machine stable. I
CB>> > > assume the problem is actually the memory.
CB>> >
CB>> > Couldn't the following be of help here?
CB>> >
CB>> > options         DISABLE_PSE
CB>> > options         DISABLE_PG_G
CB>>
CB>> I don't think so.  I tried that on my A7M266D with no effect.  I believe
CB>> something in recent pmap code doesn't like this mobo, or maybe dual
CB>> athlons in general.  I can run RELENG_5_1 rock solid, and -current from
CB>> 9/24/03 rock solid, but -current from 10/3 or later gets random sigs
CB>> and eventually panics.  I have scsi disks so it's not ata.
CB>>
CB>
CB>I have the same experiences.  Also AMD A7M-266D with two 1800+ Athlons here.
CB>Used to work fine, but got random signals with my latest builds.

I have no problems with the -current, but, as I've said, I have tuned
speed down. If I remember correctly they running slower than their nominal
speed. Dmesg shows 1380.01MHz, although they're 1800+. This is tuneable in
the BIOS.

harti
-- 
harti brandt,
http://www.fokus.fraunhofer.de/research/cc/cats/employees/hartmut.brandt/private
brandt_at_fokus.fraunhofer.de, harti_at_freebsd.org
Received on Mon Oct 20 2003 - 06:15:12 UTC

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