Date: Mon, 05 Aug 1996 17:02:06 -0500 From: Randy Terbush <randy@zyzzyva.com> To: Tom Samplonius <tom@uniserve.com> Cc: Randy Terbush <randy@zyzzyva.com>, freebsd-stable@freebsd.org Subject: Re: ep0 problems and the stable tree Message-ID: <199608052202.RAA27788@sierra.zyzzyva.com> In-Reply-To: tom's message of Mon, 05 Aug 1996 10:52:18 -0700. <Pine.BSF.3.91.960805104646.3871A-100000@haven.uniserve.com>
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3c509 combo Would it not evenutally catch up? > > On Mon, 5 Aug 1996, Randy Terbush wrote: > > > I'm would like to add the following to my previous post and > > bring this on to the current list, since the -stable list appears > > to be deserted... > > > > I can further pin this behavior down to TCP NFS connections. > > UDP does not seem to be aflicted, but it is easily recreated > > over a TCP NFS connection. > > > > Is there any chance that the "grinding to a halt" reports on > > -current are network related? > > > > > I've seen a lot of discussion about the ep driver getting broken late > > > in the 2.1.5 release. Should I still be seeing this from sources dated > > > > > > sierra:/sys/i386/isa > > > #> ll if_ep* > > > -rw-r--r-- 1 root wheel 36464 Jul 15 23:10 if_ep.c > > > -rw-r--r-- 1 root wheel 36457 May 26 14:54 if_ep.c.orig > > > -rw-r--r-- 1 root wheel 13946 Mar 31 23:08 if_epreg.h > > > > > > Aug 3 16:11:25 sierra /kernel: ep0: Status: 2002 (input buffer overflow) > > > Aug 3 16:13:49 sierra /kernel: ep0: Status: 2002 (input buffer overflow) > > > Aug 3 16:13:52 sierra /kernel: ep0: Status: 2002 (input buffer overflow) > > > > > > > > > The net result is that a new NFS client on the net is suddenly freezing > > > quite frequently. Killing and restarting the 'nfsd' processes on the > > > server fix the problem. > > What kind of 3COM card are you using? Some 3COM cards have very > limited buffer space (8k ?), and will get buffer overflow very easily if > your computer can't keep service interupts fast enough. > > This would explain why TCP would be effect, becasue TCP would transfer > a whole window of packets at once, which would flood your buffer space. > > BTW, I ignored your first message to -stable because your never said > what kind of card you were using, because if you are using one of the > good cards, I'd wasting your and my time. > > Tom
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