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Date:      Mon, 29 Nov 1999 12:52:10 -0800 (PST)
From:      Matthew Dillon <dillon@apollo.backplane.com>
To:        Manfred Antar <mantar@pacbell.net>
Cc:        Poul-Henning Kamp <phk@critter.freebsd.dk>, Mike Smith <mike@smith.net.au>, current@FreeBSD.ORG
Subject:   Re: New vfs_conf.c panic
Message-ID:  <199911292052.MAA08991@apollo.backplane.com>
References:  <"Your message of Mon, 29 Nov 1999 12:17:26 PST." <4.2.2.19991129115621.00aa5d10@pozo.com> <4.2.2.19991129124010.00a9aa70@pozo.com>

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:c014a794 T devsw
:c014a7b0 T cdevsw_add

    c014a79a --- sounds like the same or a similar bug to the one I 
    fixed, where devsw() was being called with rootdev == NODEV (-1)
    and doing a NULL (well -1) pointer dereference.  

    In my case it was related to an assumption at line 203 of vfs_conf.c
    in vfs_mountroot_try() that rootdev had been initialized.  This isn't
    the case for a BOOTP boot.  I do not know about other types of booting.

						    -Matt


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