LSI supported mps(4) driver available

[Gary Palmer]

On Mon, Mar 26, 2012 at 08:05:59PM +1030, Matt Thyer wrote:
> On Mar 26, 2012 3:43 AM, "Garrett Cooper" <yanegomi at gmail.com> wrote:
> >
> > On Sun, Mar 25, 2012 at 5:16 AM, Matt Thyer <matt.thyer at gmail.com> wrote:
> > > On 21 January 2012 09:58, Kenneth D. Merry <ken at freebsd.org> wrote:
> > >
> > >> On Fri, Jan 20, 2012 at 23:14:20 -0000, Steven Hartland wrote:
> > >> > ----- Original Message -----
> > >> > From: "Kenneth D. Merry" <ken at freebsd.org>
> > >> > To: <freebsd-scsi at freebsd.org>; <freebsd-current at freebsd.org>
> > >> > Sent: Friday, January 20, 2012 8:44 PM
> > >> > Subject: LSI supported mps(4) driver available
> > >> >
> > >> >
> > >> > >
> > >> > >The LSI-supported version of the mps(4) driver that supports their
> 6Gb
> > >> SAS
> > >> > >HBAs as well as WarpDrive controllers, is available here:
> > >> > >
> > >> > >http://people.freebsd.org/~ken/lsi/mps_lsi.20120120.1.txt
> > >> > >
> > >> > >I plan to check it in to head next week, and then MFC it into
> stable/9 a
> > >> > >week after that most likely.
> > >> >
> > >> > Great to see this being done, thanks to everyone! Be even better to
> see
> > >> > this MFC'ed to 8.x as well if all goes well. Do you think this will
> > >> > possible?
> > >>
> > >> Yes, that should be doable as well.  It's unlikely that all of the CAM
> > >> changes will get merged back, but the driver itself shouldn't be a
> problem.
> > >>
> > >> Ken
> > >>
> > >
> > > Has this driver been MFC to 8-STABLE yet ?
> > >
> > > I'm asking because I updated my NAS on the 4th of March from 8-STABLE
> > > r225723 to r232477 and am now seeing 157,000 interrupts per second on
> irq
> > > 16 where my SuperMicro AOC-USAS2-L8i resides (this card uses the LSI
> > > SAS2008 chip).
> > >
> > > More details are in a thread on the freebsd-stable mailing list entitled
> > > "157k interrupts per second causing 60% CPU load on idle system".  The
> > > first message is here:
> > >
> http://www.freebsd.org/cgi/getmsg.cgi?fetch=152290+156717+/usr/local/www/db/text/2012/freebsd-stable/20120325.freebsd-stable
> > >
> > > If this new driver isn't in 8-STABLE yet I think I'll try upgrading the
> > > whole system to 9-STABLE.
> >
> >    Be sure to update your firmware beforehand. v11 firmware from LSI
> > (or the OEM vendor) is required in order for all drives to be detected
> > in FreeBSD in certain configs.
> > Cheers,
> > -Garrett
> 
> After encountering this problem I updated my firmware from phase 7 to phase
> 11 but this did not fix things.
> 
> My question is: "Is the LSI driver even in 8-STABLE yet?".
> 
> If not I'll upgrade to 9-STABLE to get the new driver.
> 
> If it is, then I want to downgrade to just before it came in to see if this
> high interrupt rate problem is fixed.

I'm no export in svn, however:

http://svnweb.freebsd.org/base?view=revision&amp;revision=230922

would appear to suggest that the new driver is in 8-Stable

Gary