Date: Wed, 26 Jul 2000 15:32:49 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Bernd Walter <ticso@cicely8.cicely.de> Cc: David Greenman <dg@root.com>, Andrew Gallatin <gallatin@cs.duke.edu>, "Koster, K.J." <K.J.Koster@kpn.com>, "'FreeBSD Alpha mailing list'" <freebsd-alpha@FreeBSD.ORG> Subject: Re: fxp0 hangs my AXPpci33 Message-ID: <Pine.BSF.4.05.10007261532250.18265-100000@semuta.feral.com> In-Reply-To: <20000727002844.A35107@cicely8.cicely.de>
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Well, I have a Multia I haven't fired up lately... maybe it's time... :-).... -matt On Thu, 27 Jul 2000, Bernd Walter wrote: > On Wed, Jul 26, 2000 at 01:25:22PM -0700, Matthew Jacob wrote: > > > > > >I think that the SEEPROM reading might be very timing > > > >dependant... David? I'm worried that whatever the path in the chipset > > > > > > It is timing dependant, but the driver inserts more than enough delay > > > by using DELAY(1) for 1us. I think the requirement is much much less than > > > that (< .5us), so if timing really is the problem, then it leads me to wonder > > > if DELAY() might be somewhat broken on Alpha for small delays. A quick way > > > to test for that would be to change the DELAY(1)'s to DELAY(10) or more. > > > > It shouldn't be. It's using the rpcc register to do more precise timing. It > > *used* to be about 30% off, but now should be quite accurate- but it's > > certainly possible. I'll be interested in hearing this. > > > > I forget- is this with 4.0 or with -current/4.1? I seem to recall that this > > source base is a recent source base change even for 4.1- (July 4th). > > To add something to the problem I had. > My problem was after changing a 4.0-current system (short time before > 4.0-RELEASE) from an axppci33 board to a PC164. > After I got this problems I updated to a recent STABLE and asked on the > alpha list. > Even the original bug was there before the card worked fine with the > axppci33 board. I used it with and with cache installed. > The difference is that my card is older than the 559 - I asume it's a 557. > > -- > B.Walter COSMO-Project http://www.cosmo-project.de > ticso@cicely.de Usergroup info@cosmo-project.de > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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