Re: LOCKDEBUG_BARRIER in mi_userret (was: Re: Another force unmount failure)

[David Holland <dholland-tech%netbsd.org@localhost>]

On Fri, Jul 17, 2015 at 06:37:30PM +0200, Emmanuel Dreyfus wrote:
 > > `Last locked' tells you the return address of the call to rw_enter
 > > that last acquired the lock.  (The other addresses may be useful for
 > > other lockdebug panics but aren't likely to be of much use here.)
 > 
 > Here is the code. The function cannot exit without vp->v_interlock being
 > unlocked. What does that means? 
 >
 > [...]
 >
 > (gdb) list *0xc018b217
 > 0xc018b217 is in genfs_lock

That you've leaked a vnode lock.

-- 
David A. Holland
dholland%netbsd.org@localhost