Subject: Re: Bad Illegal instruction traps on dual-Xeon (p4) Linux Dell box
To: tepperly@llnl.gov (Tom Epperly)
Date: Thu, 21 Mar 2002 00:04:01 +0000 (GMT)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), linux-kernel@vger.kernel.org
In-Reply-To: <3C991BE6.70504@llnl.gov> from "Tom Epperly" at Mar 20, 2002 03:31:50 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Sender: linux-kernel-owner@vger.kernel.org

> One box, tux06, has the latest Dell BIOS, A05. I don't know how to 
> determine if it has the latest microcode updates. Where can one get the 
> current microcode updates, and how do I install it?

The microcode updates change the stepping value for the CPU afaik.

> According to cat /proc/cpuinfo, two boxes tux06 & tux34 have stepping 
> 10, and tux47 has stepping 2. I have seen the unexplained "Illegal 
> instruction" messages on tux34 and tux47, but I haven't run the modified 
> kernel on them. root access is restricted here.

Humm. I'm still as baffled as Dell I'm afraid
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