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Date:      Sun, 21 Apr 1996 09:40:10 -0700
From:      John Polstra <jdp@polstra.com>
To:        jkh@time.cdrom.com
Cc:        freebsd-current@freebsd.org
Subject:   Re: Another 2.2-SNAP soon, folks?
Message-ID:  <199604211640.JAA25438@austin.polstra.com>
In-Reply-To: <5325.830102379@time.cdrom.com>

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> Any objections / reports of known brokenness which would make this
> a bad time for a SNAP?

I would very much like to see gzipped executables working again.
Without them, you can't use the fixit disk.  (I know, I know, you can
use it with an older install disk.  But that's not quite the same.)

I realize that the proper answer to a statement like this is, "Feel
free to fix it yourself."  I tried for almost a whole day.  But I
don't know the kernel well at all, and gzipped executables crash
it without so much as a complaint on the console, let alone a
bona-fide panic.  So I was limited to the time-honored technique
of sprinkling printfs throughout the offending code.  I got some
clues that way, but the results were very anomalous.  In fact, they
would seem to support Terry's hypothesis about the processor cache.
(This was on a 486DX2, by the way.)  I'd be happy to share what I
learned, FWIW, with anyone who wants to try and fix gzipped executables.
--
   John Polstra                                       jdp@polstra.com
   John D. Polstra & Co., Inc.                Seattle, Washington USA
   "Self-knowledge is always bad news."                 -- John Barth



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