Date: Tue, 27 Mar 2012 11:27:19 -0700 From: Jason Wolfe <nitroboost@gmail.com> To: "Kenneth D. Merry" <ken@freebsd.org> Cc: "Desai, Kashyap" <Kashyap.Desai@lsi.com>, Garrett Cooper <yanegomi@gmail.com>, Matt Thyer <matt.thyer@gmail.com>, freebsd-current@freebsd.org, Steven Hartland <killing@multiplay.co.uk>, freebsd-scsi@freebsd.org Subject: Re: LSI supported mps(4) driver available Message-ID: <CAAAm0r3ytb%2BJqAUKuaK53xAQq4pMpOgkTvMM7r%2BHNRreDd9gnQ@mail.gmail.com> In-Reply-To: <20120327172129.GA67307@nargothrond.kdm.org> References: <20120120204459.GA51162@nargothrond.kdm.org> <72898EA27A61484885D72A06BD9CECE8@multiplay.co.uk> <20120120232841.GA71874@nargothrond.kdm.org> <CACM2%2B-7gwPoK9kFkqWrZoE=T9DHJG46Y9kRrYdiUOH3rYLD1tA@mail.gmail.com> <CAGH67wT9L-2dbvJiKmts3KzYQOtgRRSpm_9N_ThgyjbbjAb91g@mail.gmail.com> <CACM2%2B-4LSz8CYy3NvrkjY5NjkV_wH60VeG5uXR11Es3wi2f6ow@mail.gmail.com> <20120326132558.GB76647@in-addr.com> <CACM2%2B-4H1jc97UrJL2dgYfo2R1hyS4S3ObzOsa%2BqX_yrnHxkqg@mail.gmail.com> <20120327172129.GA67307@nargothrond.kdm.org>
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On Tue, Mar 27, 2012 at 10:21 AM, Kenneth D. Merry <ken@freebsd.org> wrote: > On Tue, Mar 27, 2012 at 23:50:31 +1030, Matt Thyer wrote: >> On 26 March 2012 23:55, Gary Palmer <gpalmer@freebsd.org> wrote: >> >> It's painful to take this system back to r230921 due to intolerance for >> downtime from it's users so I'd like to investigate the cause of the >> problem and try patches/sysctls/whatever first. >> >> The drives I'm using are 7 x WDC WD20EARS-00M (3 are AB50, 4 are AB51) a= nd >> 1 x WD20EARX-00P AB51. >> The WD20EARX-00P AB51 is a SATA 3 (6 Gbps) drive but the others are all >> SATA 2 (3 Gbps). >> >> I know the driver doesn't like mixed speeds in IR mode but I'm flashed w= ith >> IT firmware as ZFS is doing my RAID (raidz2). >> >> I was having problems with the WD20EARX-00P AB51 drive being faulted by = ZFS >> until I updated the firmware to 11 and now ZFS is happy (I've also done = a >> full extended drive SMART test and the drive is fine). >> >> So what do people suggest (before reversion to r230921) ? > > If you're going to prove that it's the new LSI driver, you will probably > have to go back to the old driver. > > You don't have to back out your entire tree, you can just back out the > driver itself if you have an SVN tree. =A0You can go into sys/dev/mps and= do: > > svn update -r 230714 > > And then edit sys/conf/files and comment out these three lines: > > dev/mps/mps_config.c =A0 =A0 =A0 =A0 =A0 =A0optional mps > dev/mps/mps_mapping.c =A0 =A0 =A0 =A0 =A0 optional mps > dev/mps/mps_sas_lsi.c =A0 =A0 =A0 =A0 =A0 optional mps > > Then you should be able to rebuild your kernel with the old driver and se= e > if the problem occurs again. > > Ken > -- > Kenneth Merry > ken@FreeBSD.ORG I'm having an issue with the new mps driver myself http://lists.freebsd.org/pipermail/freebsd-scsi/2012-February/005243.html , so I have a patch handy for downgrading also if it helps anyone. It includes the sys/conf/files removals also. http://nitrology.com/mps_downgrade-fbsd8.diff Jason
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