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Date:      Fri, 20 Aug 1999 16:40:49 +0200 (MET DST)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        current@freebsd.org
Subject:   problem with vnconfig -s labels ...
Message-ID:  <199908201440.QAA25296@labinfo.iet.unipi.it>

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Hi,

trying to build picobsd on 19990816snap of -current, i am consistently
hitting a problem, which is totally reproducible from the command line.
The following sequence

    vnconfig -s labels -c /dev/rvn0 fs.PICOBSD
    disklabel -rw /dev/rvn0 fd1440

causes a panic with a page fault accessing a low address (presumably
through a null pointer) in vnstrategy.

fs.PICOBSD is a file filled with 0's with dd if=/dev/zero...
and the problem appears to occur independently from the size of the
file.

can someone investigate this ? the code seems to work fine on 3.x

	cheers
	luigi
-----------------------------------+-------------------------------------
  Luigi RIZZO, luigi@iet.unipi.it  . Dip. di Ing. dell'Informazione
  http://www.iet.unipi.it/~luigi/  . Universita` di Pisa
  TEL/FAX: +39-050-568.533/522     . via Diotisalvi 2, 56126 PISA (Italy)

		  http://www.iet.unipi.it/~luigi/ngc99/
====  First International Workshop on Networked Group Communication  ====
-----------------------------------+-------------------------------------


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