From owner-svn-src-all@FreeBSD.ORG Fri Feb 19 06:11:41 2010 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 95915106566B; Fri, 19 Feb 2010 06:11:41 +0000 (UTC) (envelope-from lstewart@freebsd.org) Received: from lauren.room52.net (lauren.room52.net [210.50.193.198]) by mx1.freebsd.org (Postfix) with ESMTP id 4EEE38FC17; Fri, 19 Feb 2010 06:11:40 +0000 (UTC) Received: from lstewart.caia.swin.edu.au (lstewart.caia.swin.edu.au [136.186.229.95]) by lauren.room52.net (Postfix) with ESMTPSA id DF7F07E87D; Fri, 19 Feb 2010 17:11:35 +1100 (EST) Message-ID: <4B7E2B94.3090605@freebsd.org> Date: Fri, 19 Feb 2010 17:11:32 +1100 From: Lawrence Stewart User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.5) Gecko/20100105 Thunderbird/3.0 MIME-Version: 1.0 To: Matthew Jacob References: <201002141938.o1EJcRpx065470@svn.freebsd.org> <4B7D4962.8070706@freebsd.org> <4B7D626A.9040301@feral.com> In-Reply-To: <4B7D626A.9040301@feral.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-stable@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, svn-src-stable-8@FreeBSD.org Subject: Re: svn commit: r203889 - in stable/8/sys: cam cam/ata cam/scsi dev/ahci dev/asr dev/ata dev/ciss dev/hptiop dev/hptrr dev/mly dev/mpt dev/ppbus dev/siis dev/trm dev/twa dev/usb/storage X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2010 06:11:41 -0000 Hi Matt, On 02/19/10 02:53, Matthew Jacob wrote: > Just a total swag here, but reduce the openings via camcontrol to < 32, > or even < 16 Thanks for the suggestion. camcontrol doesn't seem able to futz with the mpt controller e.g.: root@server# camcontrol identify da0 -v (pass0:mpt0:0:2:0): ATAPI_IDENTIFY. ACB: a1 00 00 00 00 40 00 00 00 00 00 00 (pass0:mpt0:0:2:0): CAM status: CCB request was invalid However, there does appear to be a relevant sysctl: root@server# sysctl dev.mpt.0 dev.mpt.0.%desc: LSILogic SAS/SATA Adapter dev.mpt.0.%driver: mpt dev.mpt.0.%location: slot=3 function=0 dev.mpt.0.%pnpinfo: vendor=0x1000 device=0x0050 subvendor=0x1000 subdevice=0x3060 class=0x010000 dev.mpt.0.%parent: pci2 dev.mpt.0.debug: 3 dev.mpt.0.role: 1 dev.mpt.0.vol_member_wce: NC dev.mpt.0.vol_queue_depth: 128 dev.mpt.0.vol_resync_rate: 0 dev.mpt.0.nonoptimal_volumes: 0 Setting dev.mpt.0.vol_queue_depth=32, I can still trigger the "mpt0: mpt_cam_event: 0x16" messages by doing an svn up on the src tree. Same if I set depth to 16, so unfortunately it doesn't seem to do help in this case. Cheers, Lawrence