From owner-freebsd-hackers@FreeBSD.ORG  Fri Jun 25 11:43:14 2004
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Date: Fri, 25 Jun 2004 14:43:03 +0300
From: Danny Braniss <danny@cs.huji.ac.il>
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cc: freebsd-hackers@freebsd.org
cc: Robert Watson <rwatson@freebsd.org>
Subject: Re: waiting on sbwait 
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> On Fri, Jun 25, 2004 at 09:17:01AM +0300, Danny Braniss wrote:
> > it's definetly NFS related, i/you can cause this to happen at will,
> > ie: ls /net/host where host is down. the /net is a amd trigger which will
> > try and mount via nfs all of host's exports.
> 
> In that case, the "sbwait" is the kernel waiting for the unresponsive
> NFS server (or maybe amd) to reply. There's not much you can do
> about that other than change your amd or nfs configuration to give
> up if the server is unresponsive.
> 
> 	David.

I understand, but the problem is that all access via amd are now stalled, till
the one process failes/times-out. I guess it's because the single thread amd.

danny