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Date:      Thu, 23 Mar 2006 01:32:28 +0100
From:      Paolo Pisati <p.pisati@oltrelinux.com>
To:        FreeBSD_Current <freebsd-current@freebsd.org>
Subject:   Re: interesting(?) data on network interrupt servicing
Message-ID:  <20060323003228.GA1983@tin.it>
In-Reply-To: <200603221545.13769.jhb@freebsd.org>
References:  <20060322122906.A41691@xorpc.icir.org> <200603221545.13769.jhb@freebsd.org>

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On Wed, Mar 22, 2006 at 03:45:12PM -0500, John Baldwin wrote:
> This is going out to the I/O APIC and writing a bit to mask the
> interrupt until the handler has run.  Is he using a kernel that
> has SMP enabled?  If so, turning SMP off might make things
> slightly better.

7.x:
SMP is on, PREEMPTION if off

4.x:
SMP is off (doesn't boot on a UP box with SMP turned on)

-- 

Paolo

"le influenze esterne sono troppe, il mondo reale non e' mica 
quello fatato dei komunisti :-p" - Anonymous Lumbard



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