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From: Gonzalo Nemmi <gnemmi@gmail.com>
To: freebsd-questions@freebsd.org
Date: Sat, 10 Jan 2009 15:15:37 -0200
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Message-Id: <200901101515.37544.gnemmi@gmail.com>
Subject: Portsnap problem: "gunzip: unknown compression format"
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I've been getting this for the last three days even though there where no 
changes at all in my system.

root@inferna:~ # portsnap fetch update
Looking up portsnap.FreeBSD.org mirrors... 2 mirrors found.
Fetching snapshot tag from portsnap1.FreeBSD.org... done.
Fetching snapshot metadata... done.
Updating from Wed Jan  7 17:20:01 ARST 2009 to Sat Jan 10 13:26:38 ARST 2009.
Fetching 3 metadata patches.. done.
Applying metadata patches... done.
Fetching 0 metadata files... done.
Fetching 258 
patches.....10....20....30....40....50....60....70....80....90....100....110....120....130....140....150....160....170....180....190....200....210....220....230....240....250.... 
done.
Applying patches... done.
Fetching 29 new ports or files... gunzip: unknown compression format
snapshot is corrupt.
root@inferna:~ # which gunzip
/usr/bin/gunzip
root@inferna:~ #

Is anyone getting the same message?
Any hints on what could be the mos likely cause?

Thanks in advanced.
-- 
Blessings
Gonzalo Nemmi