Re: cpuid instruction causes panic on 486DX system

To: Jarle Greipsland <jarle%uninett.no@localhost>
Subject: Re: cpuid instruction causes panic on 486DX system
From: Andrew Doran <ad%netbsd.org@localhost>
Date: Tue, 15 Jan 2008 16:19:17 +0000

On Tue, Jan 15, 2008 at 09:10:14AM +0100, Jarle Greipsland wrote:

> I just tried to boot a current kernel on my trusty, old
> 486DX-based machine.  It panicked very early in the boot sequence
> with a "supervisor trap privileged instruction fault".  To me it
> seems that the kernel tried to use a not implemented instruction
> on this CPU.

Correct. It should work with sys/arch/i386/i386/identcpu.c revision 1.86.

Andrew

References:
- cpuid instruction causes panic on 486DX system
  - From: Jarle Greipsland

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