Date: Sat, 26 Apr 2008 11:05:12 +0200 From: Luigi Rizzo <rizzo@iet.unipi.it> To: net@freebsd.org, current@freebsd.org Subject: Re: 'nfe' stalls (analysis and partial solution) Message-ID: <20080426090512.GB74094@onelab2.iet.unipi.it> In-Reply-To: <20080425160039.GA65918@onelab2.iet.unipi.it>
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On Fri, Apr 25, 2008 at 06:00:39PM +0200, Luigi Rizzo wrote: > just for the record and the mail archives - i have been experiencing > a lot of unrecovered stalls of the network card with the 'nfe' > driver under heavy load (this was on 7.0-i386 and 7.0-amd64, but > it is hardware related so it cross-platform). > > After 2-3 days of investigation, and with the help of > Pyun YongHyeon (yongari) i finally managed to pin down the > problem and start working on a solution. > > I would be grateful if others can report of similar problems > with the 'nfe' driver so we can see if the patch we can come > up with also fix their problem. followup: a patch to address the problem is available at http://info.iet.unipi.it/~luigi/FreeBSD/ (current version is http://info.iet.unipi.it/~luigi/FreeBSD/nfe-20080426.1044.diff but it might change with time as we get more details or info on how to deal with this problem). cheers luigihome | help
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