From owner-freebsd-hackers Tue Jan 28 12:05:25 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id MAA06832 for hackers-outgoing; Tue, 28 Jan 1997 12:05:25 -0800 (PST) Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.8.5/8.8.5) with SMTP id MAA06825 for ; Tue, 28 Jan 1997 12:05:22 -0800 (PST) Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id MAA08806; Tue, 28 Jan 1997 12:46:53 -0700 From: Terry Lambert Message-Id: <199701281946.MAA08806@phaeton.artisoft.com> Subject: Re: Erroneous Ierrs from vx0 To: dwhite@resnet.uoregon.edu Date: Tue, 28 Jan 1997 12:46:53 -0700 (MST) Cc: dnelson@emsphone.com, hackers@freebsd.org In-Reply-To: from "Doug White" at Jan 28, 97 10:53:43 am X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > I've noticed that when I run 3Com's DOS config program that the card > > reports 5K of receive buffers and 3K of send buffers. Is this really > > all there is on the card? If so, I can understand the NFS problem, but > > I can't believe a 100mbit card woud have such small buffers. > > A followup to this. > > I went twiddling around in the 3c90x config program. The option 'Network > Driver Optimization' has a direct bearing on this. I set it from .. I > think 'better performance' to 'normal' and the bad packets disappeared. Most cards have a "server" setting, which is a bad thing to select; it's for using the cords in a NetWare server, and optimizes the buffer arrangement for the NetWare server stack utilization patterns (which are moderately pessimal, since they depends on cooperative tasking for thread switching, so can run to completion). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.