Re: Bad Illegal instruction traps on dual-Xeon (p4) Linux Dell box

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 21 Mar 2002 00:04:01 +0000 (GMT)

> 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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