From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [git patches] libata updates for 2.6.37 Date: Tue, 30 Nov 2010 15:13:58 +0100 Message-ID: <4CF506A6.4020200@kernel.org> References: <20101022012302.GA7487@havoc.gtf.org> <20101129180755.GK15818@bombadil.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:44314 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752682Ab0K3OOO (ORCPT ); Tue, 30 Nov 2010 09:14:14 -0500 In-Reply-To: <20101129180755.GK15818@bombadil.infradead.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Kyle McMartin Cc: Jeff Garzik , Andrew Morton , Linus Torvalds , linux-ide@vger.kernel.org, LKML Hello, On 11/29/2010 07:07 PM, Kyle McMartin wrote: > On Thu, Oct 21, 2010 at 09:23:02PM -0400, Jeff Garzik wrote: >> 1) Link Power Management (LPM) rewrite >> > > Hrm, this is causing issues for me... When I resume from suspend on my > thinkpad X201s I get: > > [ 2454.478673] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 2454.487736] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) > succeeded > [ 2454.487742] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE > filtered out > [repeated a few times] > [ 2454.492688] ata1.00: configured for UDMA/100 > [ 2454.506690] ata1.00: configured for UDMA/100 > [ 2454.506696] ata1: EH complete > [...] > [ 2455.097874] ata1.00: configured for UDMA/100 > [ 2455.097882] ata1: EH complete > [...] > [ 2455.386756] ata1.00: failed to enable DIPM, Emask 0x100 > [ 2455.386768] ata1: hard resetting link > [...] > [ 2455.847925] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 2455.849372] ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) > succeeded > [ 2455.849380] ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE > LOCK) filtered out > [ditto] > [ 2455.854171] ata1.00: configured for UDMA/100 > [ 2455.854480] ata1.00: failed to enable DIPM, Emask 0x100 > [ 2455.854484] ata1: disabling LPM on the link > [ 2455.854489] ata1: limiting SATA link speed to 1.5 Gbps > [ 2455.854494] ata1.00: limiting speed to UDMA/100:PIO3 > > Tejun, any ideas how I can debug this? Hmm... DIPM commands are failing with AC_ERR_OTHER. Other than DIPM not being configured and speed capped at 1.5Gbps, the machine works fine afterwards, right? Are you up for applying debug patches? Thanks. -- tejun