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Date: Tue, 17 Apr 2001 16:41:03 +0200
From: Andi Kleen <ak@suse.de>
To: Jan Kasprzak <kas@informatics.muni.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Possible problem with zero-copy TCP and sendfile()
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In-Reply-To: <20010417151007.F916@informatics.muni.cz>; from kas@informatics.muni.cz on Tue, Apr 17, 2001 at 03:10:07PM +0200
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On Tue, Apr 17, 2001 at 03:10:07PM +0200, Jan Kasprzak wrote:
> 00:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 74)


IIRC the problem came up earlier. Some versions of 3com NICs seem to make
problems with the hardware checksum. There were some fixes in the driver 
later; could you try it with 2.4.4pre3 (which includes zerocopy) ?


-Andi
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