From owner-svn-src-all@FreeBSD.ORG Fri Feb 13 20:48:39 2009 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 4D284106564A; Fri, 13 Feb 2009 20:48:39 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id F16538FC13; Fri, 13 Feb 2009 20:48:38 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from phobos.local (71-218-27-233.hlrn.qwest.net [71.218.27.233]) (authenticated bits=0) by pooker.samsco.org (8.14.2/8.14.2) with ESMTP id n1DKmS2P074530; Fri, 13 Feb 2009 13:48:34 -0700 (MST) (envelope-from scottl@samsco.org) Message-ID: <4995DC9B.1030708@samsco.org> Date: Fri, 13 Feb 2009 13:48:27 -0700 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.13) Gecko/20080313 SeaMonkey/1.1.9 MIME-Version: 1.0 To: Attila Nagy References: <200902131004.n1DA4xol082999@svn.freebsd.org> <49958C73.2050406@fsn.hu> In-Reply-To: <49958C73.2050406@fsn.hu> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.8 required=3.8 tests=AWL,BAYES_00,RCVD_IN_PBL autolearn=ham version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on pooker.samsco.org Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org, Scott Long Subject: Re: svn commit: r188570 - head/sys/cam 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, 13 Feb 2009 20:48:40 -0000 Attila Nagy wrote: > Hello, > > Scott Long wrote: >> Author: scottl >> Date: Fri Feb 13 10:04:59 2009 >> New Revision: 188570 >> URL: http://svn.freebsd.org/changeset/base/188570 >> >> Log: >> In the case that the probe has determined that it can't query the >> device for >> a serial number, fall through to the next case so that initial >> negotiation >> still happens. Without this, devices were showing up with only 1 >> available >> tag opening, leading to observations of very poor I/O performance. >> This should fix problems reported with VMWare Fusion and ESX. Early >> generation MPT-SAS controllers with SATA disks might also be affected. >> HP CISS controllers are also likely affected, as are many other >> pseudo-scsi disk subsystems. >> > Is it possible that these two are related? > http://marc.info/?l=freebsd-scsi&m=122900270413265&w=2 > This is a bug in Domain Validation, introduced a couple of years ago, that I still haven't sorted out. Scott