Subject: Re: dev_t changes & partitions
To: Charles M. Hannum <>
From: Manuel Bouyer <>
List: tech-kern
Date: 01/16/1998 10:38:39
On Jan 15, Charles M. Hannum wrote
> If you did, then it should be obvious that the (old, which I
> pointed out in text you didn't quote) MAKEDEV just wrote a `32-bit'
> device node using the old major and minor number.  (So it's now
> pointing to the wrong disk device.  When I run newfs(8), it blows away
> my other disk.)

If we renumber the majors (which I think should be done at the same time),
it's likely that the nodes created don't point to a disk driver any more
(or at last it should be made so). So you don't trash your disk, but your
machine will not reboot. 

Manuel Bouyer, LIP6, Universite Paris VI.