From owner-svn-src-head@FreeBSD.ORG  Tue Feb 10 23:31:52 2009
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 750C7106567B;
	Tue, 10 Feb 2009 23:31:52 +0000 (UTC) (envelope-from sam@freebsd.org)
Received: from ebb.errno.com (ebb.errno.com [69.12.149.25])
	by mx1.freebsd.org (Postfix) with ESMTP id 4B1F68FC08;
	Tue, 10 Feb 2009 23:31:52 +0000 (UTC) (envelope-from sam@freebsd.org)
Received: from trouble.errno.com (trouble.errno.com [10.0.0.248])
	(authenticated bits=0)
	by ebb.errno.com (8.13.6/8.12.6) with ESMTP id n1ANVplM030098
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Tue, 10 Feb 2009 15:31:51 -0800 (PST) (envelope-from sam@freebsd.org)
Message-ID: <49920E67.60805@freebsd.org>
Date: Tue, 10 Feb 2009 15:31:51 -0800
From: Sam Leffler <sam@freebsd.org>
Organization: FreeBSD Project
User-Agent: Thunderbird 2.0.0.18 (X11/20081209)
MIME-Version: 1.0
To: Alexander Motin <mav@freebsd.org>
References: <200902102322.n1ANMTgW007393@svn.freebsd.org>
In-Reply-To: <200902102322.n1ANMTgW007393@svn.freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-DCC-sonic.net-Metrics: ebb.errno.com; whitelist
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r188464 - head/sys/kern
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 10 Feb 2009 23:31:53 -0000

Alexander Motin wrote:
> Author: mav
> Date: Tue Feb 10 23:22:29 2009
> New Revision: 188464
> URL: http://svn.freebsd.org/changeset/base/188464
>
> Log:
>   Check for device_set_devclass() errors and skip driver probe/attach if any.
>   Attach call without devclass set crashes the system.
>   
>   On resume AHCI driver sometimes tries to create duplicate adX device.
>   It is surely his own problem, but IMHO it is not a reason to crash here.
>   Other reasons are also possible.
>
>   
Please leave a comment in the code that this is basically a WAR for 
buggy drivers.

    Sam