From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Hancock Subject: Re: AHCI driver problem on ICH (Re: AHCI driver problem on SB700/SB800 w/ Acer Ferrari One) Date: Fri, 13 May 2011 20:08:34 -0600 Message-ID: <4DCDE422.6060808@gmail.com> References: <201105120025.34531.rjw@sisk.pl> <201105132222.11582.rjw@sisk.pl> <201105132244.29605.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:41799 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176Ab1ENCIh (ORCPT ); Fri, 13 May 2011 22:08:37 -0400 In-Reply-To: <201105132244.29605.rjw@sisk.pl> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Rafael J. Wysocki" Cc: Tejun Heo , Michael Leun , linux-ide@vger.kernel.org, Linux PM mailing list , LKML , jipeng2005@gmail.com On 05/13/2011 02:44 PM, Rafael J. Wysocki wrote: > On Friday, May 13, 2011, Rafael J. Wysocki wrote: >> On Friday, May 13, 2011, Tejun Heo wrote: >>> Hello, >>> >>> Can you guys please take a look at bug#34692? It seems to be the same problem. >>> >>> https://bugzilla.kernel.org/show_bug.cgi?id=34692 >> >> Yes, same issue. >> >>> The offending commit seems to be 270dac35c2. Does reverting it >>> resolves the problem for you guys too? >> >> Yes, it does. > > Would you object if I asked Linus to revert that commit? Think that's likely the best solution for now. I'm guessing there's some case where link power management trips up the check that was added. Most or all existing released controllers don't need it so I think Jian could likely try again after 2.6.39.