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Date:      Wed, 28 Oct 1998 17:26:51 -0800 (PST)
From:      Robert Schulhof <rrs@LMI.Net>
To:        mike@smith.net.au
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: MFS_ROOT and picobsd
Message-ID:  <199810290126.RAA13997@badlans.lanminds.com>
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Hi Mike,

  You're right.  The problem is in the check on the block device.  I was
stupid and just decided to modify bdevvp in kern/vfs_ops.c as follows:

-        if (dev == NODEV || major(dev) >= nblkdev || 
-            bdevsw[major(dev)] == NULL) { 
                *vpp = NULLVP;
                return (ENXIO); 
        }
+        if (dev == NODEV ) {
                *vpp = NULLVP;
                return (ENXIO); 
        }

This solved my problem with MFS_ROOT mount panics, but I don't know the
kernel code well and this is just a bandaid.


Thanks!


Rob




 
 Robert Schulhof
 UNIX System Administrator
 LanMinds Internet. (LMI Net)
 rrs@lmi.net
 http://www.lmi.net
 (510) 843-6389 VOX
 (510) 843-6390 FAX

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