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Date:      Fri, 3 Mar 2000 11:15:52 +1100 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Wes Morgan <morganw@engr.sc.edu>, Ollivier Robert <roberto@keltia.freenix.fr>, freebsd-current@FreeBSD.ORG
Subject:   Re: ntpd hanging machine
Message-ID:  <Pine.BSF.4.21.0003031109580.2212-100000@alphplex.bde.org>
In-Reply-To: <200003022255.OAA03429@apollo.backplane.com>

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On Thu, 2 Mar 2000, Matthew Dillon wrote:

> :> > merge. Until that point I was using the stock ntp4 from udel with no
> :> > problems. But I tried the one shipping with 4.0 and it locks up completely

>     rtprio (and idprio) is virtually guarenteed to lockup your machine 
>     eventually.  Don't use either.

Unfortunately, ntpd in -current uses rtprio by default.

Perter Dufault's recent changes fixed some related things, but not the
priority inversion problems.

Bruce



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