Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001115071228.C1321>