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Date:      Tue, 10 Oct 2000 09:43:23 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        freebsd-alpha@FreeBSD.ORG
Subject:   Re: size problems with INVARIANTS/DIAGNOSTIC -current kernels
Message-ID:  <Pine.BSF.4.21.0010100942470.94692-100000@salmon.nlsystems.com>
In-Reply-To: <14818.16720.20802.44583@grasshopper.cs.duke.edu>

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On Mon, 9 Oct 2000, Andrew Gallatin wrote:

> 
> Doug Rabson writes:
>  > On Sun, 8 Oct 2000, Andrew Gallatin wrote:
>  > 
>  > > 
>  > > Doug Rabson writes:
>  > >  > Hmm. I think I need to see a disassembly of the region which contains the
>  > >  > fault pc. I can't quite see what is happening yet.
>  > > 
>  > > OK.  As you recall, I've altered kmeminit so that I touch kmemusage
>  > > immediately, rather than waiting for malloc to do it..:
>  > 
>  > The address looks ok, so the mapping must be broken. Can I see the value
>  > of vtopte(0xfffffe0000296000). Something bad seems to have happened to the
>  > pte which maps this page.
>  > 
> 
> Copyright (c) 1992-2000 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> kmem_init: kmemusage = 0xfffffe0000296000
> vtopte (kmemusage) =   0xffffffff80000a58

I'm sorry, I think I meant *vtopte(kmemusage). I need to look at the pte
itself to see if its sane.

-- 
Doug Rabson				Mail:  dfr@nlsystems.com
					Phone: +44 20 8348 6160




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