kern/153665: [ahci] AHCI module unconsistent behaviour with SATA3 disk and SATA3 enabled controller

[Alexander Motin]

The following reply was made to PR kern/153665; it has been noted by GNATS.

From: Alexander Motin <mav at FreeBSD.org>
To: Harry Coin <harrycoin at aol.com>
Cc: bug-followup at FreeBSD.org, freebsd at yasse.net
Subject: Re: kern/153665: [ahci] AHCI module unconsistent behaviour with SATA3
 disk and SATA3 enabled controller
Date: Thu, 28 Jul 2011 22:34:06 +0300

 Harry Coin wrote:
 >  I've get the same problem every time trying to root mount ZFS on a pair
 > of mirrored ssds off this chip in an add-on PCIex1 card: drives boot
 > when using the motherboard ICH + ahci, drives boot off the marvell chip
 > only without ahci.ko  Only when using ahci + marvell chip does the
 > problem appear.  In that case, system reports a 'root mount error', the
 > keyboard locks tight, and the system fan starts running at full speed.
 
 Please try to update your system to 8-STABLE. I believe this problem was
 fixed by r222304 and merged at r222918.
 
 -- 
 Alexander Motin