From owner-freebsd-current@FreeBSD.ORG  Sun Mar 29 09:27:14 2015
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 68A44E13;
 Sun, 29 Mar 2015 09:27:14 +0000 (UTC)
Received: from saturn.lyxys.ka.sub.org (saturn.lyxys.ka.sub.org
 [217.29.35.151])
 (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id E2D37848;
 Sun, 29 Mar 2015 09:27:13 +0000 (UTC)
Received: from juno.lyxys.ka.sub.org (juno.lyx
 [IPv6:fd2a:89ca:7d54:0:240:caff:fe92:4f47])
 by saturn.lyxys.ka.sub.org (8.14.9/8.14.9) with ESMTP id t2T9O3ai031626
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL);
 Sun, 29 Mar 2015 11:24:03 +0200 (CEST)
 (envelope-from wolfgang@lyxys.ka.sub.org)
Received: from juno.lyxys.ka.sub.org (localhost [127.0.0.1])
 by juno.lyxys.ka.sub.org (8.14.9/8.14.9) with ESMTP id t2T9RDQd069961
 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Sun, 29 Mar 2015 11:27:13 +0200 (CEST)
 (envelope-from wolfgang@lyxys.ka.sub.org)
Received: (from wolfgang@localhost)
 by juno.lyxys.ka.sub.org (8.14.9/8.14.9/Submit) id t2T9RD2B069960;
 Sun, 29 Mar 2015 11:27:13 +0200 (CEST)
 (envelope-from wolfgang@lyxys.ka.sub.org)
X-Authentication-Warning: juno.lyx: wolfgang set sender to
 wolfgang@lyxys.ka.sub.org using -f
Date: Sun, 29 Mar 2015 11:27:13 +0200
From: Wolfgang Zenker <wolfgang@lyxys.ka.sub.org>
To: bsdml <pietro.bsdml@gmail.com>
Subject: Re: T40 bootloop on CAM status: Command timeout on both 10.1 and
 -CURRENT
Message-ID: <20150329092713.GA69272@lyxys.ka.sub.org>
References: <551748A4.1090303@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <551748A4.1090303@gmail.com>
Organization: private site
User-Agent: Mutt/1.5.23 (2014-03-12)
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3
 (saturn.lyxys.ka.sub.org [IPv6:fd2a:89ca:7d54:1:200:24ff:feca:b4cc]);
 Sun, 29 Mar 2015 11:24:04 +0200 (CEST)
Cc: mav@freebsd.org, freebsd-current@freebsd.org
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 29 Mar 2015 09:27:14 -0000

Hi,

* bsdml <pietro.bsdml@gmail.com> [150329 01:34]:
> since I tried to install FreeBSD 10.1 on my recently purchased T40 I got 
> stuck at this annoying bootloop that says
> "ATAPY_IDENTIFY. ACB: a1 00 00 00 00 40 00 00 00 etc etc.. CAM status: 
> Command timeout". I have also tried latest 11-CURRENT snapshot and it 
> did not make any difference at all, it is affected from the same exact 
> bootloop.
> [..]
> It seems like there might be an issue with the CAM ATA stack that is 
> clashing with the PATA controller on my T40.

I had the same problem on an ancient T42p. In my case, disabling the
second ata channel allowed me to boot.

I added the following line to /boot/device.hints:
hint.ata.1.disabled="1"

Wolfgang