From owner-freebsd-mobile Mon Sep 23 09:57:57 1996 Return-Path: owner-mobile Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id JAA11376 for mobile-outgoing; Mon, 23 Sep 1996 09:57:57 -0700 (PDT) Received: from agora.rdrop.com (root@agora.rdrop.com [199.2.210.241]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id JAA11298; Mon, 23 Sep 1996 09:57:44 -0700 (PDT) Received: from rocky.mt.sri.com by agora.rdrop.com with smtp (Smail3.1.29.1 #17) id m0v5EK8-0008tYC; Mon, 23 Sep 96 09:57 PDT Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id KAA02885; Mon, 23 Sep 1996 10:46:22 -0600 (MDT) Date: Mon, 23 Sep 1996 10:46:22 -0600 (MDT) Message-Id: <199609231646.KAA02885@rocky.mt.sri.com> From: Nate Williams To: michael butler Cc: nate@mt.sri.com (Nate Williams), current@freebsd.org, mobile@freebsd.org Subject: Re: 3C589b + ep driver In-Reply-To: <199609231641.CAA04350@asstdc.scgt.oz.au> References: <199609231609.KAA02696@rocky.mt.sri.com> <199609231641.CAA04350@asstdc.scgt.oz.au> Sender: owner-mobile@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > FWIW, I'm now starting to see these as well with the if_zp driver under > > -current, and I *NEVER* saw them before in the almost 2 years I ran 2.1 > > and 2.1.5. > > I tried the zp driver from yesterday's -current and couldn't get it to work > for me (which is odd because I installed using it in July :-() > > > This is what also implies that it's not something necessarily specific > > to the drivers, but something that changes which might require all of > > the drivers to be modified. > > I'm tempted to think (but without proof since I don't have sufficient > hardware documentation - any, in fact) that the present drivers are timing > sensitive (increasing CPU load causes more frequent failures) and that some > other changes in the kernel have provoked a latent weakness. That's possible, but the CPU load wasn't an issue with me. The network load was an issue, but in the 2.1 days I was running the box as an NFS client where I mounted /usr/src & /usr/obj, and re-built the world on my laptop. If that's not a lot of network load on an ethernet card, I don't know what is. :) Recently it's been locking up under remote CVS heavy loads (though not as heavy as before) which can be fixed by a simple 'ifconfig zp0 down; ifconfig zp0 up'. It hasn't went down since then under similar loads, but I was updating the sources from a *very* old version of -current to the latest bits which caused alot more traffic to be sent out. The only thing I can think of that would cause the lockups are missed interrupts, so Bruce would probably be the expert in this. Nate