On Fri, 28 Jan 2000 10:24:12 -0400 
 David Maxwell <david@fundy.ca> wrote:

 > On Fri, Jan 28, 2000 at 03:06:51AM -0500, maximum entropy wrote:
 > > # tunefs -N /dev/rwd0a		# reports softdeps disabled
 > > # mount -u /			# or you could reboot to multiuser
 > > # tunefs -N /dev/rwd0a		# reports softdeps enabled!!!
 > 
 > That's the proper, if unintuitive, operation of mount -u.
 > 
 > You didn't specify any options, so it took the fstab defaults. From 
 > MOUNT(8):  re: -u

Um... no.

The problem is that the tunefs's change of the superblock was undone
by the file system writing its copy of the superblock back out to disk.

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>