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Date:      Thu, 23 Jul 1998 20:22:01 -0600
From:      Steve Passe <smp@csn.net>
To:        Mike Smith <mike@smith.net.au>
Cc:        Steve Passe <smp@csn.net>, "Jordan K. Hubbard" <jkh@time.cdrom.com>, Bruce Evans <bde@zeta.org.au>, asami@FreeBSD.ORG, committers@FreeBSD.ORG, stable@FreeBSD.ORG
Subject:   Re: Tree tagging put off by ~12 hours. 
Message-ID:  <199807240222.UAA02671@Ilsa.StevesCafe.com>
In-Reply-To: Your message of "Thu, 23 Jul 1998 15:29:25 PDT." <199807232229.PAA01465@dingo.cdrom.com> 

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Hi,

> > Just my observation on NMIs in general, FreeBSD doesn't re-cock
> > the PII chip correctly to take a subsequent NMI.  I am using 
> > custom ISA hardware that generates an NMI to give us 'pseudo-realtime'
> > response.  To get it to work I had to add code to the NMI ISR to
> > recock the PII chip to handle repeated NMIs.  This is in the context
> > of 2.2.6...
> 
> Patches?

I misspoke a little...
The code is in a proprietary lkm, I redirect the NMI IDT entry to point to it,
ignoring the FreeBSD NMI ISR entirely.  So I can't give patches.  I will try
to encapsolate the basics of it and forward when I can find time...

--
Steve Passe	| powered by
smp@csn.net	|            Symmetric MultiProcessor FreeBSD



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