From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephan Diestelhorst Subject: Re: [PATCH] SATA / AHCI: Do not play with the link PM during suspend to RAM Date: Thu, 2 Sep 2010 16:31:59 +0200 Message-ID: <201009021632.00699.stephan.diestelhorst@amd.com> References: <201007091750.05020.stephan.diestelhorst@amd.com> <201008262024.35551.rjw@sisk.pl> <201008280135.39005.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201008280135.39005.rjw@sisk.pl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Rafael J. Wysocki" , Stephan Diestelhorst Cc: "linux-ide@vger.kernel.org" , Tejun Heo , "linux-pm@lists.osdl.org" , "linux-kernel@vger.kernel.org" List-Id: linux-ide@vger.kernel.org On Saturday 28 August 2010, 01:35:38 Rafael J. Wysocki wrote: > I reproduced the problem with the Tejun's patch applied, so I'm now quite > sure the problem is related to the suspend of controller ports (which is done > by scheduling SCSI error handling on the controller). > > Anyway, below is a new version of my patch that plays a bit nicer with > the resume code. Can you please check if it still fixes the problem for you? Applied to 2.6.35.3 and tested. Works perfectly fine (> 10 s2ram cycles under heavy I/O load). Many thanks, Stephan -- Stephan Diestelhorst, AMD Operating System Research Center stephan.diestelhorst@amd.com, Tel. +49 (0)351 448 356 719 Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632