Frank van der Linden <frank@wins.uva.nl> $B$5$s$+$i(B
 Wed, 11 Mar 1998 16:48:06 +0100 $B:"$K$$$?$@$$$?(B
 Re: panic("lockmgr: locking against myself") $B$K4X$9$k%a!<%k!$GR8+CW$7$^$7$?!%(B

> On Thu, Mar 12, 1998 at 12:25:41AM +0900, Kazufumi-MIT-Mitani wrote:
> > 	panic("lockmgr: locking against myself")
> > and it may be caused by miscfs/nullfs/null_subr.c
> > 	if (vget(cvp, LK_EXCLUSIVE))
> > ... right?
> 
> Correct. That LK_EXCLUSIVE should be a 0, I made an error during the
> Lite2 merge. I've checked in this change, if you change it in your
> tree too (if you don't want to wait until tomorrow's update), it
> should be fine. Well.. as good as it ever worked, anyway ;-)

OK. I changed "if (vget(cvp, LK_EXCLUSIVE))' to 'if (vget(cvp, 0))" ,
recompile kernel, reboot, and mount -t null /mnt/src /usr/src
then,,,,, same panic :(

anyone test mount -t null after this change ?

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//mit