From owner-freebsd-scsi@FreeBSD.ORG  Mon Jan 30 15:40:55 2012
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Date: Mon, 30 Jan 2012 19:25:55 +0400
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: freebsd-scsi@freebsd.org, Marius Strobl <marius@FreeBSD.org>
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Subject: Trouble with LSI SAS1078
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I found PR kern/134520 and discursion in -scsi at 2010-05-01.
I have same trouble for 9.0-RELEASE and Intel SR2600URLXR.

Matthew Jacob (currently not working on mpt) wrote "I have this
chassis and it seems to work okay for me".

I think difference in AXXRAKSAS2 -- working system have full RAID
support, system with "unable to map registers in PIO mode" -- lost
RAID support.

Can somebody modify driver for support this configuration?