Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754009Ab2BFEnA (ORCPT ); Sun, 5 Feb 2012 23:43:00 -0500 Received: from mga01.intel.com ([192.55.52.88]:31102 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753696Ab2BFEm6 (ORCPT ); Sun, 5 Feb 2012 23:42:58 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="121226662" Subject: Re: Regression 3.2 -> 3.3-rc1 10 sec hang at boot and resume, COMRESET failed From: Lin Ming To: Norbert Preining Cc: "Srivatsa S. Bhat" , linux-kernel@vger.kernel.org, jeff@garzik.org, Tejun Heo , "stern@rowland.harvard.edu >> Alan Stern" , linux-ide@vger.kernel.org, Linux PM mailing list , "Rafael J. Wysocki" In-Reply-To: <20120206031528.GA16093@gamma.logic.tuwien.ac.at> References: <1328231716.15079.15.camel@minggr> <1328242884.15079.22.camel@minggr> <20120203052452.GC24563@gamma.logic.tuwien.ac.at> <1328247269.15079.26.camel@minggr> <20120203054319.GA25510@gamma.logic.tuwien.ac.at> <1328257660.15079.30.camel@minggr> <20120206004608.GA9413@gamma.logic.tuwien.ac.at> <1328492218.15079.38.camel@minggr> <20120206024052.GI9413@gamma.logic.tuwien.ac.at> <1328496591.15079.40.camel@minggr> <20120206031528.GA16093@gamma.logic.tuwien.ac.at> Content-Type: text/plain; charset="UTF-8" Date: Mon, 06 Feb 2012 12:42:56 +0800 Message-ID: <1328503376.15079.55.camel@minggr> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1601 Lines: 50 On Mon, 2012-02-06 at 12:15 +0900, Norbert Preining wrote: > On Mo, 06 Feb 2012, Lin Ming wrote: > > Only this patch on top of HEAD *without* reverting 7faa33da9b7. > > Works. Am I right that it differs from 7faa33da9b7 only in that > the later also changes: Right. Tejun, This regression is caused by 7faa33da9b7(ahci: start engine only during soft/hard resets). But I can't reproduce it. What's your guess? Thanks, Lin Ming > @@ -2019,7 +2022,7 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg) > ahci_power_down(ap); > else { > ata_port_err(ap, "%s (%d)\n", emsg, rc); > - ata_port_freeze(ap); > + ahci_start_port(ap); > } > > > Best wishes > > Norbert > ------------------------------------------------------------------------ > Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org} > JAIST, Japan TeX Live & Debian Developer > DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 > ------------------------------------------------------------------------ > HOVE (adj.) > Descriptive of the expression seen on the face of one person in the > presence of another who clearly isn't going to stop talking for a very > long time. > --- Douglas Adams, The Meaning of Liff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/