Date: Wed, 15 Nov 2000 07:12:28 +0100 From: Wilko Bulte <wkb@freebie.demon.nl> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-alpha@freebsd.org Subject: Re: 4.2RC1 hosed on Tlaser Message-ID: <20001115071228.C1321@freebie.demon.nl> In-Reply-To: <14866.39772.756614.268360@grasshopper.cs.duke.edu>; from gallatin@cs.duke.edu on Wed, Nov 15, 2000 at 09:30:14AM -0500 References: <E13w2Kk-0007GP-00@post.mail.nl.demon.net> <14866.39772.756614.268360@grasshopper.cs.duke.edu>
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On Wed, Nov 15, 2000 at 09:30:14AM -0500, Andrew Gallatin wrote: > > wkb@freebie.demon.nl writes: > > > > [handwritten transcript from console] > > .. boot succeeds ok... > > dwlpx0 (DWLPA PCI at kft0 hose0) > > base = 0xb80000000 > > mask = 0xf80000000 > > hacked = 0xb80000000 > > panic: hose encoding hack would clobber base address > > > > I have no clue what this means, any takers? > > > > :-( :-( > > > > Wilko > > Yes. We have a grody hack in 4-stable to store off the hose in a > memory or i/o address so that the low-level chipset code knows which > hose a particular I/O request is for. In this case, the SRM console > has assigned a memory address which overlaps the high bits we're using > for the hose hack. This means that this particular box won't work > until Doug's hose fixes are backported to -stable. (see, for example, > the diff between rev 1.14 of sys/alpha/tlsb/dwlpx.c and 1.13.) > > This box would probably work if you were shuffle hardware around or > remove it until it the SRM console happened to not use such a large > memory address. > > BTW, this hack is responsible for the caveat about NCR/Sym controllers > only working on the first hose of multi-hose boxes. Right. Me calling it hose-d was right on the spot then. I'm gonna request jkh's permission to put this in RELNOTES. I don't think this will be fixed in 4.2R right? W/ -- Wilko Bulte Arnhem, the Netherlands wilko@freebsd.org http://www.freebsd.org http://www.nlfug.nl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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