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Date:      Tue, 12 Mar 2002 02:13:39 -0500 (EST)
From:      Garrett Wollman <wollman@lcs.mit.edu>
To:        sparc@freebsd.org
Subject:   Or perhaps it's bunzip2 (was: Re: VM problems?)
Message-ID:  <200203120713.g2C7DdF14965@khavrinen.lcs.mit.edu>
In-Reply-To: <200203120640.g2C6e5c14628@khavrinen.lcs.mit.edu>

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I wrote:

>The nature of the differences makes me suspect either VM or SCSI
>controller difficulties.

Or perhaps it's something completely different.

If I get the distrib tarball on my Intel machine....
wollman@khavrinen(1)$ fetch http://people.freebsd.org/~jake/sparc64/distrib-20020310.tar.bz2
Receiving distrib-20020310.tar.bz2 (32788574 bytes): 100%
32788574 bytes transferred in 183.9 seconds (174.12 kBps)
wollman@khavrinen(2)$ md5 distrib-20020310.tar.bz2 
MD5 (distrib-20020310.tar.bz2) = c7ef01eb2b518b79c6659605156f1a03

OK, this matches what I have on the Ultra5:

wollman@tsornin(228)$ md5 distrib-20020310.tar.bz2 
MD5 (distrib-20020310.tar.bz2) = c7ef01eb2b518b79c6659605156f1a03

So far, so good.  But what happens when we uncompress them?

wollman@khavrinen(4)$ bunzip2 -c distrib-20020310.tar.bz2 | md5  
ff450f0e0b06003dbb8c71e5232abb0d

wollman@tsornin(229)$ bunzip2 -c distrib-20020310.tar.bz2 | md5  
12b008501b0051d25854d27a91de3200

Uh-oh!  Looks like something's broken with bunzip2!

I get the same MD5 if I run bunzip2 to a file (on the Ultra), so it
must not be a problem with pipes.

I'm about to try recompressing on the PC with gzip and copying that
over, just to see what sort of difference it makes.

-GAWollman

-- 
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick

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