Date: Mon, 23 Sep 1996 10:46:22 -0600 (MDT) From: Nate Williams <nate@mt.sri.com> To: michael butler <imb@scgt.oz.au> Cc: nate@mt.sri.com (Nate Williams), current@freebsd.org, mobile@freebsd.org Subject: Re: 3C589b + ep driver Message-ID: <199609231646.KAA02885@rocky.mt.sri.com> In-Reply-To: <199609231641.CAA04350@asstdc.scgt.oz.au> References: <199609231609.KAA02696@rocky.mt.sri.com> <199609231641.CAA04350@asstdc.scgt.oz.au>
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> > 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. Natehelp
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