From owner-freebsd-current@FreeBSD.ORG  Tue May 31 20:56:40 2011
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From: Jung-uk Kim <jkim@FreeBSD.org>
To: Xin LI <delphij@gmail.com>
Date: Tue, 31 May 2011 16:56:25 -0400
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Cc: "George V. Neville-Neil" <gnn@neville-neil.com>,
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	Johannes Dieterich <dieterich.joh@googlemail.com>
Subject: Re: Boot halts on Thinkpad X220 (Sandy Bridge)
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On Tuesday 31 May 2011 04:50 pm, Jung-uk Kim wrote:
> I got BIOS dump from gnn last week.  I've been scratching my head
> cause it should just fail and exit gracefully unless I am totally
> missing something. :-(
>
> Are you guys sure that INT 15h is causing hangs?  Maybe INT 16h is
> the real culprit (which is more probable, BTW)?

BTW, it shouldn't call INT 16h at all unless INT 15h succeeded 
somehow.  So, I am totally lost. :-(

Jung-uk Kim