Date: Tue, 14 Feb 2012 09:49:04 -0700 From: "Kenneth D. Merry" <ken@freebsd.org> To: Ollivier Robert <roberto@keltia.freenix.fr> Cc: freebsd-stable@freebsd.org Subject: Re: LSI supported mps(4) driver in stable/9 and stable/8 Message-ID: <20120214164903.GA63724@nargothrond.kdm.org> In-Reply-To: <20120213140844.GA61050@roberto-aw.eurocontrol.fr> References: <20120202191105.GA55719@nargothrond.kdm.org> <20120213140844.GA61050@roberto-aw.eurocontrol.fr>
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On Mon, Feb 13, 2012 at 15:08:45 +0100, Ollivier Robert wrote: > According to Kenneth D. Merry: > > The LSI-supported version of the mps(4) driver that supports their 6Gb SAS > > HBAs as well as WarpDrive controllers, is now in stable/9 and stable/8. > > Thanks. > > > Note that the CAM infrastructure changes that went into FreeBSD/head along > > with this driver have not gone into either stable/9 or stable/8. Only the > > driver itself has been merged. > > > > The CAM infrastructure changes depend on some other da(4) driver changes > > that will need to get merged before they can go back. If that merge > > happens, it will probably only be into stable/9. > > Got an ETA for this? Saying differently, is it reasonable to run stable/9 with the new driver but w/o the CAM changes? What do these changes bring BTW? Sorry, been out-of-touch these days :( > No ETA for the CAM changes. I need to talk with Alexander Motin about it, and I haven't gotten around to that. Too busy with other things. The changes just allow the driver to get notification from CAM about read capacity data instead of having the driver probe by itself. The probe in the driver for stable is kludgy, but does work. So it is perfectly fine to run the driver in stable/9 or stable/8 without the CAM changes. The latest mps(4) driver changes have been merged into stable/9 and stable/8, so this would be a good time to try it out. Ken -- Kenneth Merry ken@FreeBSD.org
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