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>
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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
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