From owner-freebsd-scsi@FreeBSD.ORG Tue Mar 27 18:27:20 2012 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B99931065677; Tue, 27 Mar 2012 18:27:20 +0000 (UTC) (envelope-from nitroboost@gmail.com) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id 031458FC17; Tue, 27 Mar 2012 18:27:19 +0000 (UTC) Received: by yenl9 with SMTP id l9so239477yen.13 for ; Tue, 27 Mar 2012 11:27:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=T41jB72zvJSdZ8RJli0OzadUTF0j7LdXovDtb8uPpwE=; b=Q6QfreZVd818N6AQ/3vh/DGTzCK8FuEs2zOdwMyKx9M8uWPWEGgUKqbB+2T2bC/mKt mfq8fRVZ8G5EcBR22VQr7DnqUTp/wL1StSAhXFwS1MLZGaH0gdAWw+75YhoO4Ph18V9c iForcW03UOC4N3ag3VTOwy7l+hl4Zl/gvC1AKpe+aqYBYnLHJ1/XXscUQ2SButG2Gqm3 VhZtNqL9gpinnUe/RkeBDUmCVvs2KvzpHpI6uSuwloO7FjwTVMM2gObf2t8dGILR7V52 cyYSFRbBLGAmy6HPQr5Krrt4BvTNtv7qizbyRjKQSSGR2AQUnpklvV+y2QjqWixArzix KYCg== MIME-Version: 1.0 Received: by 10.60.14.166 with SMTP id q6mr20854916oec.17.1332872839167; Tue, 27 Mar 2012 11:27:19 -0700 (PDT) Received: by 10.182.47.135 with HTTP; Tue, 27 Mar 2012 11:27:19 -0700 (PDT) In-Reply-To: <20120327172129.GA67307@nargothrond.kdm.org> References: <20120120204459.GA51162@nargothrond.kdm.org> <72898EA27A61484885D72A06BD9CECE8@multiplay.co.uk> <20120120232841.GA71874@nargothrond.kdm.org> <20120326132558.GB76647@in-addr.com> <20120327172129.GA67307@nargothrond.kdm.org> Date: Tue, 27 Mar 2012 11:27:19 -0700 Message-ID: From: Jason Wolfe To: "Kenneth D. Merry" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: "Desai, Kashyap" , Garrett Cooper , Matt Thyer , freebsd-current@freebsd.org, Steven Hartland , freebsd-scsi@freebsd.org Subject: Re: LSI supported mps(4) driver available X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Mar 2012 18:27:20 -0000 On Tue, Mar 27, 2012 at 10:21 AM, Kenneth D. Merry wrote: > On Tue, Mar 27, 2012 at 23:50:31 +1030, Matt Thyer wrote: >> On 26 March 2012 23:55, Gary Palmer 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