From owner-freebsd-stable Fri Dec 20 16:10:44 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 74CEE37B401 for ; Fri, 20 Dec 2002 16:10:43 -0800 (PST) Received: from scatcat.saeab.se (c213-100-94-173.swipnet.se [213.100.94.173]) by mx1.FreeBSD.org (Postfix) with ESMTP id E13D243EEF for ; Fri, 20 Dec 2002 16:10:36 -0800 (PST) (envelope-from thn@saeab.se) Received: from saeab.se (home.thn.saeab.se [10.1.0.1]) by scatcat.saeab.se (8.12.6/8.12.6) with ESMTP id gBL0AWXu000655; Sat, 21 Dec 2002 01:10:32 +0100 (CET) (envelope-from thn@saeab.se) Message-ID: <3E03B1C6.83A9671C@saeab.se> Date: Sat, 21 Dec 2002 01:11:50 +0100 From: Thomas Nystrom Organization: Sv. Aktuell Elektronik AB X-Mailer: Mozilla 4.78 [en] (Win98; U) X-Accept-Language: sv,en MIME-Version: 1.0 To: Matthew Dillon Cc: Mike Tancsa , stable@FreeBSD.ORG Subject: Re: Fix for hanging of vr interface (Rhine Ethernet) References: <5.2.0.9.0.20021220151835.03a72a48@marble.sentex.ca> <200212202229.gBKMTREh022639@apollo.backplane.com> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Matthew Dillon wrote: > > : > :I will gladly test out the patch, but what was the original problem that > :people were having with this NIC ? > : > : ---Mike > > Well, my box is network-booted and nfs mounted. What happened > to me was that everything locked up (e.g. because NFS was > suddenly inoperable). It recovered itself 5 minutes later. > > Right now I'm running torture tests with the patch. No lockups > so far, but I do see an occassional 'vr0: rx packet lost' on > the console (about two dozen so far). I haven't messed around > too much with the BIOS pci parameters yet. Does anyone know > how large vr0's on-chip FIFOs are? > I think they are 2K bytes each (don't have the datasheets with me). That message is printed out because the Rhine chip signals that a packet is dropped. On my system I could tweak it away by changing the RX-Threshold and the DMA block size. My theory is that the bus is busy making it impossible for the chip to store the received frame in memory. /thn -- --------------------------------------------------------------- Svensk Aktuell Elektronik AB Thomas Nyström Box 10 Phone: +46 8 35 92 85 S-191 21 Sollentuna Fax: +46 8 59 47 45 36 Sweden Email: thn@saeab.se --------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message