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Date:      Tue, 11 Mar 2003 11:20:36 -0800 (PST)
From:      Doug Ambrisko <ambrisko@ambrisko.com>
To:        Wes Peters <wes@softweyr.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Realtek
Message-ID:  <200303111920.h2BJKaEC013582@www.ambrisko.com>
In-Reply-To: <200303102102.33694.wes@softweyr.com>

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Wes Peters writes:
| On Monday 10 March 2003 08:47, Doug Ambrisko wrote:
| > Hmm, I thought I had said "benchmark in your environment".  We have a
| > closed box that is sort-of a router and a bridge.  So your only inputs
| > is really network traffic.  That is what we tune the box for.  So it
| > would be interesting to see you kill it in 1s.  Again our issue is PCI
| > bus.
| 
| Flood it with wire speed 64-byte packets and drive it into receive 
| interrupt livelock.  Yup, the PCI bus is (most of) the problem here too.

Can't reproduce it.  Maybe they fixed it in the 8100L rev.?

I tried a ping -f -s 22 to hit it with 64 byte packets.  I also had
traffic going to the onboard gig and it wasn't impacted (granted the
source was a 100bit link tied to the gig link).

I'm running variants of -stable (FreeBSD 4.7 and later) on this hardware.

Doug A.

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