From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: ata_piix resume from S3 on T43P failed Date: Sat, 13 May 2006 00:19:12 -0400 Message-ID: <44655E40.2090004@garzik.org> References: <1147334740.7273.38.camel@forrest26.sh.intel.com> <4462F667.3060504@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=EUC-KR Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:36066 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S932203AbWEMETP (ORCPT ); Sat, 13 May 2006 00:19:15 -0400 In-Reply-To: <4462F667.3060504@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: "zhao, forrest" , linux-ide@vger.kernel.org, Hannes Reinecke Tejun Heo wrote: > zhao, forrest wrote: >> Hi, Tejun >> >> We just tested your git tree on thinkpad T43P laptop, and found that >> after ata_piix resumed from S3, SATA disk can't be read/write anymore. >> But according to the test result of kernel 2.6.16-rc6 on T43P, ata_piix >> can resume from S3 successfully. >> >> We know that this problem may be not related to your patches, but I >> think you know the libata development status very well, maybe you can >> give us some clue about what happened to ata_piix between 2.6.16-rc6 and >> your git tree. >> > > Hello, Zhao. > > I haven't really followed AHCI suspend/resume stuff but AFAICT it never > made to #upstream. I don't know whether it was included in -rc# or not. > But it sounds like it did. Hannes @ SuSE posted an AHCI suspend/resume patch that needs to go in. Unfortunately AHCI is a high rate of churn, so it's still in my 'Pending' folder :/ Jeff