Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!munnari.oz.au!metro!ipso!runxtsa!brucee
From: brucee@runxtsa.runx.oz.au (Bruce Evans)
Newsgroups: comp.os.minix
Subject: Re: Huge cache under Minix-32
Message-ID: <2324@runxtsa.runx.oz.au>
Date: 30 Sep 90 12:24:57 GMT
References: <31783@nigel.ee.udel.edu>
Organization: RUNX Unix Timeshare.  Sydney, Australia.
Lines: 11

In article <31783@nigel.ee.udel.edu> andrew@eleceng.bradford.ac.uk (Andrew G. Minter) writes:
>After upgrading my RAM to 4Mb, I tried increasing the size of the cache to
>1Mb, but now shoelace locks up whebn trying to load the fs.

The cache has to fit below 640K because the system is loaded into the
real-mode address space :(. Shoelace should detect that the big FS would
overwrite shoelace and abort the boot. However, the check for this has a
bug. It fails for small overwrites. I'm not sure what happens for large
ones.
-- 
Bruce Evans  (evans@syd.dit.csiro.au)