From owner-freebsd-hackers@FreeBSD.ORG  Wed Mar 17 10:37:26 2010
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Date: Wed, 17 Mar 2010 12:37:12 +0200
From: Andriy Gapon <avg@icyb.net.ua>
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To: Mohacsi Janos <mohacsi@niif.hu>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: ATA 4K sector issues
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on 17/03/2010 12:16 Mohacsi Janos said the following:
> Dear FreeBSD hackers,
>     What is the situation with ATA 4K dirves in FreeBSD? Are there any
> support for them in fdisk or disklabel?
> More information at:
> http://ata.wiki.kernel.org/index.php/ATA_4_KiB_sector_issues

Did you mean to say gpart(1)? :)
AFAIK, the tool(s) do not auto-align on 4K boundaries, but they give user an
ability to do that by hand.
Besides, some 4K sector disks lie that they have 512 sectors.

-- 
Andriy Gapon