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Re: /netbsd: panic: cpu0: ipi_send: couldn't send ipi to UPAID2



On Wed, 2011-02-09 at 15:54 +0100, Martin Husemann wrote:
> On Wed, Feb 09, 2011 at 11:02:06PM +1100, matthew green wrote:
> > wild guess:  can you re-seat the cpu modules?  or the ram?  or perhaps
> > try increasing the timeout from 1000 to 10000?  (see ipifuncs.c.)
> 
> FWIW, I have seen this happen on my SB1000 as well, only under realy
> heavy load, and in my case not quite reproducable.
> 
> I don't see how this could happen though. Maybe we should scale the DELAY()
> slightly with bigger loop counts?
> 
> Martin
> 

I've seen that the delay is called with a fixed value of 1. May be a
slightly bigger random-value would help here, too.

- Volkmar 

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