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Date:      Wed, 4 Apr 2012 17:55:17 +0530
From:      "Desai, Kashyap" <Kashyap.Desai@lsi.com>
To:        Matt Thyer <matt.thyer@gmail.com>, Mike Tancsa <mike@sentex.net>
Cc:        "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>, "McConnell, Stephen" <Stephen.McConnell@lsi.com>
Subject:   RE: 157k interrupts per second causing 60% CPU load on idle system
Message-ID:  <B2FD678A64EAAD45B089B123FDFC3ED72B96EF8F30@inbmail01.lsi.com>
In-Reply-To: <CACM2%2B-7DrENh5ZBs-6vkSrH1szMqnYKi2acmzByAOgXdZvHZMg@mail.gmail.com>
References:  <CACM2%2B-46zHafjZo0O1dNNvEJm%2B2sUcYboBWwhJ8NxVhXyvpBZQ@mail.gmail.com> <4F6A67C0.7000909@sentex.net> <CACM2%2B-6BubOF1uWtXcBQyZqeiuqhvXazL9564CwN9uhJVNe2_w@mail.gmail.com> <4F6B3B46.4060105@sentex.net> <CACM2%2B-6J%2BkaV3aCudDNztDFefo602kTJZ-S99HB%2Bjhxe-tu5XA@mail.gmail.com> <CACM2%2B-7DrENh5ZBs-6vkSrH1szMqnYKi2acmzByAOgXdZvHZMg@mail.gmail.com>

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> -----Original Message-----
> From: owner-freebsd-stable@freebsd.org [mailto:owner-freebsd-
> stable@freebsd.org] On Behalf Of Matt Thyer
> Sent: Wednesday, April 04, 2012 5:50 PM
> To: Mike Tancsa
> Cc: freebsd-stable@freebsd.org
> Subject: Re: 157k interrupts per second causing 60% CPU load on idle
> system
>=20
> On 25 March 2012 22:26, Matt Thyer <matt.thyer@gmail.com> wrote:
>=20
> >
> > Does anyone know if and when this driver was merged from current to
> > 8-STABLE ?
> >
> > If I can work out what revision that occurred in I'll go back to just
> > before then to confirm if the problem exists.
> >
>=20
> In the -CURRENT list I've been told that the new driver was introduced
> into
> 8-STABLE at revision 230921.
> I reverted to that revision but the problem was still apparent.
>=20
> So I've now tried:
>=20
> - Previous BIOS
> - Updating the controller firmware from phase 7 to phase 11
> - Going back to the old (pre LSI authored) mps driver
>=20
> But all to no avail.
>=20
> What has worked is to move the single SATA 3 (6 Gbps) drive (the other 7
> drives are SATA 2) to the onboard SATA 2 Intel controller.
>=20
> So it seems that both the old and new mps driver have a problem with the
> Western Digital WD20EARX SATA 3 drive on a SuperMicro AOC-USAS2-L8i (SAS
> 6G) controller (flashed with -IT firmware).
>=20
> I'll continue this in the -CURRENT list in the thread about the new
> driver
> as that's where the main discussion has been.

Mike,=20
Have your purchase LSI controller through Channel or OEM ?
It would be a difficult for developers to help you without any support chan=
nel invovoled ?
If possible can you contact LSI support channel ?

~ Kashyap


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