The following reply was made to PR port-shark/22355; it has been noted by GNATS.

From: "Julio M. Merino Vidal" <jmmv84@gmail.com>
To: yamt@netbsd.org
Cc: source-changes@NetBSD.org, gnats-bugs@NetBSD.org
Subject: Re: port-shark/22355 [was CVS commit: src/sys/nfs]
Date: Sun, 29 Jul 2007 12:47:37 +0200

 On 27/07/2007, at 12:03, YAMAMOTO Takashi wrote:
 
 >
 > Module Name:	src
 > Committed By:	yamt
 > Date:		Fri Jul 27 10:03:58 UTC 2007
 >
 > Modified Files:
 > 	src/sys/nfs: nfs_serv.c nfs_socket.c nfs_subs.c nfs_var.h
 >
 > Log Message:
 > stop nfs tick when we have nothing to do.
 
 Unfortunately, this breaks shark.  After upgrading my machine to a  
 recent kernel, I can no longer boot from the hard disk; the machine  
 seems to be completely stalled at that point.  I cannot even enter  
 ddb as the PS/2 keyboard does not respond.
 
 Booting an install kernel is also useless.  After the kernel gives  
 control to userland, the keyboard won't work.  I.e., if I boot with  
 the '-a' option, I can answer the questions the kernel makes, but  
 once sysinst is started I cannot do anything else.
 
 Reverting this change lets me reinstall shark correctly.
 
 FWIW, disabling 'file-system NFS' from the kernel has this same  
 effect, hence why I'm appending this to the port-shark/22355 PR.
 
 Any idea about what happens?
 
 Thank you,
 
 -- 
 Julio M. Merino Vidal <jmmv84@gmail.com>