Re: kern/43456: KASSERT from ptyfs null mount

[Juergen Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost>]

The following reply was made to PR kern/43456; it has been noted by GNATS.

From: Juergen Hannken-Illjes <hannken%eis.cs.tu-bs.de@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/43456: KASSERT from ptyfs null mount
Date: Sun, 13 Jun 2010 14:50:10 +0200

 Coming through a null mount the layered node is active (v_usecount == 2)
 whereas the ptyfs node is inactive (v_usecount == 1).
 
 Therefore vclean() will not call spec_node_revoke() on the ptyfs node -> boom.
 
 -- 
 Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)