Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 1 Jun 1998 10:07:09 -0400 (EDT)
From:      Scott Drassinower <scottd@cloud9.net>
To:        David Greenman <dg@root.com>
Cc:        freebsd-hardware@FreeBSD.ORG
Subject:   Re: Intel EtherExpress 100+ problems 
Message-ID:  <Pine.BSF.3.96.980601100549.6444D-100000@earl-grey.cloud9.net>
In-Reply-To: <199806010510.WAA09519@implode.root.com>

next in thread | previous in thread | raw e-mail | index | archive | help

So the problem that I'm having with NFS will likely occur with a 3Com or
SMC card as well?  There is no workaround at all for this, just deal with
messed up nfs or run at 10 megabits? 

--
 Scott M. Drassinower					    scottd@cloud9.net
 Cloud 9 Consulting, Inc.			       	     White Plains, NY
 +1 914 696-4000					http://www.cloud9.net

On Sun, 31 May 1998, David Greenman wrote:

> >I've been having some problems with an Intel EtherExpress 100+ card (which
> >2.2.6-RELEASE is seeing as a 100B card, fwiw) running in 100 megabit mode,
> >full duplex, to a Cisco Catalyst 2900XL.  Running tail or grep on a large
> >(>10mb) file via NFS from another 2.2.6 machine (with an Intel 100+ too)
> >will simply freeze the tail or grep process, and it won't die.  ps shows
> >the process in disk wait, even though other operations on the mount will
> >be fine.
> >  
> >When I replace the Cisco with a 10 megabit hub, the cards drop to 10
> >megabit and half duplex, and there are no nfs problems. 
> >
> >Cisco said they had some internal docs talking about problems with the
> >Intel 100B cards running 100 megabit, full duplex, that were cleared up
> >with the 100+ cards.  Intel was completely useless.  
> >
> >I'm wondering if there is perhaps a problem with the fxp driver in 2.2.6,
> >or some weird issue with the Cisco.  I don't have another 100 megabit
> >switch laying around, and I really wouldn't want to have to switch from
> >the Intel cards not knowing what the problem is.  All that Cisco could
> >suggest was different cards or a sniffer to look for more clues.
> >
> >Any ideas?  This seems pretty weird.
> 
>    There are no known bugs in the fxp driver, but there are plenty of NFS
> bugs, some of which show up as link speed sensitive race conditions.
> 
> -DG
> 
> David Greenman
> Co-founder/Principal Architect, The FreeBSD Project
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-hardware" in the body of the message
> 


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hardware" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.980601100549.6444D-100000>