*BSD News Article 65931


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From: gorski@cips01.physik.uni-bonn.de
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Probs with Adaptec 2940 ???
Date: 12 Apr 1996 20:42:41 GMT
Organization: University of Bonn, Germany
Lines: 50
Distribution: world
Message-ID: <GORSKI.96Apr12224241@axiom.somewhere.de>
NNTP-Posting-Host: rhrz-ts2-p2.rhrz.uni-bonn.de


I've found some random errors in some of my tar-files.
Using gnutar under FreeBSD produces random errors while 
extracting the archive.
The same procedure under DOS works fine.

I've verified these errors with creating several archives
under DOS and FreeBSD, so it seems to be no termination 
error.


I just do that to make some errors:

-----------------------------------------------------------------------
tar -cf test.tar foo/             [creating works without errors]
tar -vtf test.tar 
[filenames]
....
[xyz filename]
tar: read error on test.tar : Input/output error
[same error as above]
...
tar: Too many errors, quitting.

-----------------------------------------------------------------------

xconsole says something like this:
-----------------------------------------------------------------------

sd0(ahc0:0:0): MEDIUM ERROR info:57de1d asc:11,0 Unrecovered read error
, retries:4
sd0(ahc0:0:0): MEDIUM ERROR info:57de1d asc:11,0 Unrecovered read error
, retries:3
sd0(ahc0:0:0): MEDIUM ERROR info:57de1d asc:11,0 Unrecovered read error
, retries:2
sd0(ahc0:0:0): MEDIUM ERROR info:57de1d asc:11,0 Unrecovered read error
, retries:1
sd0(ahc0:0:0): MEDIUM ERROR info:57de1d asc:11,0 Unrecovered read error
, FAILURE
-----------------------------------------------------------------------


I can't explain these errors, because the source file is readable.


Any hints?

Thanks for reply.