From owner-aic7xxx@FreeBSD.ORG Thu Mar 1 22:35:17 2007 Return-Path: X-Original-To: aic7xxx@freebsd.org Delivered-To: aic7xxx@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id AC6BF16A406 for ; Thu, 1 Mar 2007 22:35:17 +0000 (UTC) (envelope-from ibr@radix50.net) Received: from almaty.kz-easy.com (kz-easy.com [85.214.25.173]) by mx1.freebsd.org (Postfix) with ESMTP id 422B513C4B8 for ; Thu, 1 Mar 2007 22:35:16 +0000 (UTC) (envelope-from ibr@radix50.net) Received: from alatau.radix50.net (dslb-088-064-024-217.pools.arcor-ip.net [88.64.24.217]) (authenticated bits=0) by almaty.kz-easy.com (8.13.4/8.13.4/Debian-3sarge3) with ESMTP id l21MZ52L019789 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 1 Mar 2007 23:35:11 +0100 Received: from alatau.radix50.net (localhost [127.0.0.1]) by alatau.radix50.net (8.13.8/8.13.8/Debian-2) with ESMTP id l21MZ4an029440 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 1 Mar 2007 23:35:05 +0100 Received: (from ibr@localhost) by alatau.radix50.net (8.13.8/8.13.8/Submit) id l21MZ423029438 for aic7xxx@freebsd.org; Thu, 1 Mar 2007 23:35:04 +0100 Date: Thu, 1 Mar 2007 23:35:04 +0100 From: Baurzhan Ismagulov To: aic7xxx@freebsd.org Message-ID: <20070301223504.GB28433@radix50.net> Mail-Followup-To: aic7xxx@freebsd.org References: <20070228204034.GA2379@radix50.net> <45E602B3.2020306@paralan.com> <20070228233314.GA7348@radix50.net> <45E6F877.9000409@ssa.crane.navy.mil> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45E6F877.9000409@ssa.crane.navy.mil> User-Agent: Mutt/1.5.13 (2006-08-11) X-Spam-Status: No, score=1.8 required=5.0 tests=RCVD_IN_NJABL_DUL, RCVD_IN_SORBS_DUL autolearn=no version=3.0.3 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.0.3 (2005-04-27) on almaty.kz-easy.com Subject: Re: Adaptec 2940UW with Fujitsu MAN3184M X-BeenThere: aic7xxx@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Adaptec Device Drivers in FreeBSD and Linux List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Mar 2007 22:35:17 -0000 Hello Todd, On Thu, Mar 01, 2007 at 09:59:51AM -0600, Todd Denniston wrote: > >>The Adaptec 2940UW is Single Ended. With Single Ended, there are a > >>number of things to consider when trying to go Ultra. It is possible > >>that even though the 2940UW initially negotiates for Ultra, the domain > >>validation forces it to the slower rate due to issues seen with the > >>communications. > > > >Any way to see those at the Linux administrator level? > > at least with the "AIC-7899A U160/m" I am running you can see them by > looking at /proc/scsi/aic7xxx/0, i.e. I see the following: Adaptec AIC7xxx driver version: 7.0 Adaptec aic7880 Ultra SCSI adapter aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs Allocated SCBs: 4, SG List Length: 128 Serial EEPROM: 0x0338 0x0338 0x0338 0x0338 0x0338 0x0338 0x0338 0x0238 0x0338 0x0338 0x0338 0x0338 0x0338 0x0338 0x0338 0x0338 0x10b6 0x00db 0x2807 0x0010 0xff00 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0x00ff 0x6c1e Target 0 Negotiation Settings User: 40.000MB/s transfers (20.000MHz, offset 127, 16bit) Goal: 20.000MB/s transfers (10.000MHz, offset 8, 16bit) Curr: 20.000MB/s transfers (10.000MHz, offset 8, 16bit) Channel A Target 0 Lun 0 Settings Commands Queued 58 Commands Active 0 Command Openings 8 Max Tagged Openings 8 Device Queue Frozen Count 0 ... I see that the bus frequency is limited to 10 MHz, but I don't see why (which "issues seen with the communications" were the reason for that) and what I could do to change that. > did he say what in proc could be used to set it? or was he just indicating > that is where to look to find what it is set to? No. Yes. But I have 20 MHz anyway, that's the maximum the card can do and that I want to reach. > >The "when" part above is strange. Now I don't have the drive connected, > >aic7xxx is loaded, but I see neither kernel messages in log, nor > >/proc/aic7xxx. > > should be /proc/scsi/aic7xxx/ I think. Ah, thanks! Any further ideas? With kind regards, -- Baurzhan Ismagulov http://www.kz-easy.com/