From owner-freebsd-scsi@FreeBSD.ORG Mon Apr 11 08:52:44 2011 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 8C7461065686; Mon, 11 Apr 2011 08:52:44 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 7C12F8FC23; Mon, 11 Apr 2011 08:52:43 +0000 (UTC) Received: by bwz12 with SMTP id 12so5576141bwz.13 for ; Mon, 11 Apr 2011 01:52:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:sender:message-id:date:from:user-agent :mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=mpZfbr5qraS8QRXJ2YKqTToA9s82G1xieDYTXydojYk=; b=BQj3wrC/MKDZZ+nDHuLxnxLtv3WRF8kDDErSgqdrLIpt1WMhhocNTjpmF+1WccRO5N ijCjEM+cg6oVoBWSq7CTGRkRi22s4SzXz4cRXK3+ie5t174GKju76LI6MKkWPSPFGDqf f44eNtPrqBD00HmW/vXgOcPLIRz17nUthV7+0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=ELnncj49monS57z8VgJzQRZZNhjk3q4Qbj5WcvjZBroWnC5MIpO4xPN8YWjGNY6fBx pLgnndN6Rq95+IpRy1Nwx4JN4YHS9nGa5x5sW1UsBnsdRTlhicPpKJzFoa/1W9KRUi/f rdumQcblHfTWQx5yOUKK2yD2vL85nR/DZ1ozg= Received: by 10.204.16.72 with SMTP id n8mr784611bka.8.1302511962256; Mon, 11 Apr 2011 01:52:42 -0700 (PDT) Received: from mavbook2.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id q24sm3067627bks.21.2011.04.11.01.52.40 (version=SSLv3 cipher=OTHER); Mon, 11 Apr 2011 01:52:41 -0700 (PDT) Sender: Alexander Motin Message-ID: <4DA2C14F.60905@FreeBSD.org> Date: Mon, 11 Apr 2011 11:52:31 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Alexander Best References: <20110331223339.GA13682@freebsd.org> <201104010843.47367.jhb@freebsd.org> <20110404204316.GA11367@freebsd.org> <4D9D9917.3030102@FreeBSD.org> <20110410115644.GA55815@freebsd.org> <4DA210D3.5090807@FreeBSD.org> <20110411025646.GA46088@freebsd.org> <4DA2A33B.8010807@FreeBSD.org> <20110411083821.GA80320@freebsd.org> In-Reply-To: <20110411083821.GA80320@freebsd.org> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org, John Baldwin Subject: Re: multiple issues with devstat_*(9) 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: Mon, 11 Apr 2011 08:52:44 -0000 Alexander Best wrote: > On Mon Apr 11 11, Alexander Motin wrote: >> Alexander Best wrote: >>> my cd0 is a pata atapi dvdrom drive and i have the following in my kernel conf: >>> >>> device atacore >>> device ahci >>> device atajmicron >>> device atapci >>> #device atapicd >>> device atapicam >>> >>> device umass >>> device scbus >>> device cd >>> device pass >>> device da >>> device random >>> device pty >>> device md >>> >>> the dmesg entries for cd0 are: >>> >>> cam_periph_alloc: attempt to re-allocate valid device cd0 rejected >>> cdasync: Unable to attach new device due to status 0x6 >>> cd0 at ata2 bus 0 scbus8 target 0 lun 0 >>> cd0: Removable CD-ROM SCSI-0 device >>> cd0: 3.300MB/s transfers >>> cd0: cd present [2149024 x 2048 byte records] >> Aha, that's it. It is atapicam's lie. atapicam is one of a things that >> will go away during migration to CAM ATA. If you remove `device >> atapicam`, but add `options ATA_CAM` instead, CAM will manage that bus >> directly and report it as ATA. > > thanks for the hint. i also read the following in the ahci(4) man page: > > " Driver features include support for Serial ATA and ATAPI devices, ..." > > ...does that mean that my DVD drive can also attach to the ahci driver? If it is SATA and you connect it to AHCI controller -- yes, it will work with ahci(4) controller driver. -- Alexander Motin