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Re: SMP on Alpha 2100 (Sable)

On Sun, Aug 19, 2001 at 06:36:04PM -0400, Greg Johnson wrote:
> Now that I can finally boot my AS2100 with an SMP 2.4.x kernel (with
> to the patch from Christopher C. Chimelis), I've found that SMP doesn't
> work so well.  When the first CPU boots, it registers 1082.96 BogoMIPS,
> but when the second comes up it only gets 8.24 BogoMIPS.  /proc/cpuinfo
> reports two processors, but the machine feels like it only has one.
> When I run two jobs on it both get 50% cpu (according to top).
> ..........
> Turning on RTC interrupts.

Try a kernel WITHOUT enabling the RTC; this has always given me problems,
but there are folks that swear by the "RTC-Lite" patches, if you really
need it...

Good luck.


Jay A Estabrook                            Alpha Engineering - LINUX Project
Compaq Computer Corp. - MRO1-2/K20         (508) 467-2080
200 Forest Street, Marlboro MA 01752       Jay.Estabrook@compaq.com

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