The following reply was made to PR kern/34293; it has been noted by GNATS.

From: yamt@mwd.biglobe.ne.jp (YAMAMOTO Takashi)
To: mlelstv@serpens.de
Cc: gnats-bugs@NetBSD.org, kern-bug-people@NetBSD.org,
	gnats-admin@NetBSD.org, netbsd-bugs@NetBSD.org
Subject: Re: PR/34293 CVS commit: src/sys/dev
Date: Tue,  5 Sep 2006 21:53:09 +0900 (JST)

 > > while vndthread is working on behalf of the pagedaemon here,
 > > it is not a pagedaemon.  so it can't get special treatment for pagedaemon
 > > from buffer cache etc and can deadlock.
 > 
 > In my case it is definitely not working on behalf of the pagedaemon.
 
 did you have plenty of free memory?  it wasn't clear from the PR.
 
 you said "separate pool for nested I/O buffers" worked.
 it made me think you were low of memory, given that getiobuf() is not
 related to buffer cache watermarks.
 
 YAMAMOTO Takashi