Subject: panic("lockmgr: locking against myself")
To: None <current-users@NetBSD.ORG>
From: Kazufumi-MIT-Mitani <mit@mit-s.otaru-uc.ac.jp>
List: current-users
Date: 03/12/1998 00:25:41 
from March 1st current source (maybe), mount -t null causes kernel panic
on my ss10 box.

it's at kern/kern_lock.c

	panic("lockmgr: locking against myself")

and it may be caused by miscfs/nullfs/null_subr.c

	if (vget(cvp, LK_EXCLUSIVE))

... right?

any fix?

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//mit