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Date:      Wed, 15 May 2002 16:27:17 -0700
From:      Lars Eggert <larse@ISI.EDU>
To:        David Gilbert <dgilbert@velocet.ca>
Cc:        freebsd-hackers@freebsd.org, freebsd-smp@freebsd.org
Subject:   Re: SMP kernel freezes with nice processes.
Message-ID:  <3CE2EED5.2010003@isi.edu>
References:  <15586.56294.70836.700134@trooper.velocet.net>

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David Gilbert wrote:
> I run dnetc with an argument to run two (one for each processor).  If
> I realtime nice (not nasty) the processes, the computer freezes for a
> few seconds every minute or two.  If I have them only regular nice'd,
> this does not happen.

"realtime nice" = idprio? If so, probably priority inversion. Not much 
you can do about that without looking at the dnetc source any finding 
out which resources it holds locked.

Lars
-- 
Lars Eggert <larse@isi.edu>           USC Information Sciences Institute

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