use only one core of dual core system

James Kosin jkosin at beta.intcomgrp.com
Tue Oct 18 20:33:25 UTC 2005


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Bill Rees wrote:

> I'm trying to isolate a driver problem that appears to be smp
> related so I would like to take the system with the smp kernel and
> boot it so that only one cpu is used. Ideally, I'll be able to tell
> if running off of two cores is causing problems with the usb driver.
> So the only thing I've found that I can pass to the kernel during
> boot is maxprocs which doesn't seem to actually deal with the number
> of cpus but rather the number of processes.
> Is there any boot variable that will prevent the second cpu from
> coming up?
>
> bill
>
Bill,

Try installing the non-smp kernel and booting that kernel, instead of
the smp kernel.

James

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