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Date:      Tue, 27 Jun 1995 21:10:27 +0200
From:      esser@zpr.uni-koeln.de (Stefan Esser)
To:        Doug Rabson <dfr@freefall.cdrom.com>
Cc:        CVS-commiters@freefall.cdrom.com, cvs-usrsbin@freefall.cdrom.com
Subject:   Re: cvs commit: src/usr.sbin/pstat pstat.c
Message-ID:  <199506271910.AA03029@FileServ1.MI.Uni-Koeln.DE>
In-Reply-To: Doug Rabson <dfr@freefall.cdrom.com> "cvs commit: src/usr.sbin/pstat pstat.c" (Jun 27,  4:07)

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On Jun 27,  4:07, Doug Rabson wrote:
} Subject: cvs commit: src/usr.sbin/pstat pstat.c

}   Log:
}   Changes to support version 3 of the NFS protocol.
}   The version 2 support has been tested (client+server) against FreeBSD-2.0,
}   IRIX 5.3 and FreeBSD-current (using a loopback mount).  The version 2 support
}   is stable AFAIK.
}   The version 3 support has been tested with a loopback mount and minimally
}   against an IRIX 5.3 server.  It needs more testing and may have problems.
}   I have patched amd to support the new variable length filehandles although
}   it will still only use version 2 of the protocol.

Tried to access a DEC Alpha using the patched NFS code,
and get a panic:

panic: allocbuf: page changed offset??!!!?

on first access to a larger file (i.e. "cat FILE" if
file is more than a few KByte long). Short files can
be read (largest I tried and succeeded was 3KB).

The Alpha identifies itself as:

DEC OSF/1 V3.0 (Rev. 358); Fri Mar 10 11:04:33 MET 1995 

on login (this is a NFS version 3 compatible server AFAIK).

Since I recompiled the NFS clients and "mount_nfs", and 
the new versions aren't compatible with the old kernel
I kept, I'd have to checkout an older version of their 
sources and rebuild them to verify, that your recent 
change caused this behaviour.

Let me know, if you want me to do any tests for you.
The NFS file system that lead to the failure is open for
free access, so you may want to try it:

I used "axp1.rrz.uni-koeln.de:/var/adm/ris/ris0.alpha/kit"
for my tests.


Regards, STefan
-- 
 Stefan Esser				Internet:	<se@ZPR.Uni-Koeln.DE>
 Zentrum fuer Paralleles Rechnen	Tel:		+49 221 4706021
 Universitaet zu Koeln			FAX:		+49 221 4705160
 Weyertal 80
 50931 Koeln



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