Re: /proc/cpuinfo wrong for Intel 486SX-33!!

Richard B. Johnson (root@chaos.analogic.com)
Mon, 3 May 1999 21:41:44 -0400 (EDT)


On Mon, 3 May 1999, Alex Buell wrote:

> I got a report from an user of one of my programs that his /proc/cpuinfo
> doesn't identify his processor properly on his 2.2.6 kernel.
>
> --report--
> Got this for my IBM PS/1 with a intel 486SX-33 (may be 25)
>
> Linux netpimp 2.2.6 #1 Mon Apr 19 21:46:05 EDT 1999
>
> netpimp:/# cat /proc/cpuinfo
> processor : 0
> vendor_id : unknown <-- LOOK!!
> cpu family : 4
> model : 0
> model name : unknown
> stepping : unknown
> fdiv_bug : no
> hlt_bug : no
> sep_bug : no
> f00f_bug : no
> fpu : no
> fpu_exception : no
> cpuid level : -1
> wp : yes
> flags :
> bogomips : 16.54
> --end--
>
> I think this isn't right, isn't it?!?!
>

This chip probably doen't have a vendor ID. A lot of the SX chips
were "strange" so say the least. It looks as though the code did
the best it could. The cpuid level shows the register isn't even
written.

Cheers,
Dick Johnson
***** FILE SYSTEM WAS MODIFIED *****
Penguin : Linux version 2.2.6 on an i686 machine (400.59 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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