netdev - Re: tcp bw in 2.6

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Message-ID: <20071002212132.GF29944@bitmover.com>
Date:	Tue, 2 Oct 2007 14:21:32 -0700
From:	lm@...mover.com (Larry McVoy)
To:	David Miller <davem@...emloft.net>
Cc:	torvalds@...ux-foundation.org, lm@...mover.com,
	herbert@...dor.apana.org.au, wscott@...mover.com,
	netdev@...r.kernel.org
Subject: Re: tcp bw in 2.6

> We fixed a lot of bugs in TSO last year.
> 
> It would be really great to see numbers with a more recent kernel
> than 2.6.18

More data, sky2 works fine (really really fine, like 79MB/sec) between
Linux dylan.bitmover.com 2.6.18.1 #5 SMP Mon Oct 23 17:36:00 PDT 2006 i686
Linux steele 2.6.20-16-generic #2 SMP Sun Sep 23 18:31:23 UTC 2007 x86_64

So this is looking like a e1000 bug.  I'll try to upgrade the kernel on 
the ia64 box and see what happens.
-- 
---
Larry McVoy                lm at bitmover.com           http://www.bitkeeper.com
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