Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756134Ab0LQUjV (ORCPT ); Fri, 17 Dec 2010 15:39:21 -0500 Received: from einhorn.in-berlin.de ([192.109.42.8]:38686 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756097Ab0LQUjU (ORCPT ); Fri, 17 Dec 2010 15:39:20 -0500 X-Envelope-From: stefanr@s5r6.in-berlin.de Date: Fri, 17 Dec 2010 21:38:38 +0100 From: Stefan Richter To: "Rafael J. Wysocki" Cc: LKML , "Linux-pm mailing list" , Maxim Levitsky Subject: Re: [Regression] firewire_ohci causes system resume to fail Message-ID: <20101217213838.76db3710@stein> In-Reply-To: <201012170047.56309.rjw@sisk.pl> References: <201012051542.31826.rjw@sisk.pl> <20101205161758.2d75c65d@stein> <20101205170947.6b4e2d09@stein> <201012170047.56309.rjw@sisk.pl> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1630 Lines: 40 On Dec 17 Rafael J. Wysocki wrote: > On Sunday, December 05, 2010, Stefan Richter wrote: > > On Dec 05 Stefan Richter wrote: > > > On Dec 05 Rafael J. Wysocki wrote: > > > > There is a regression I can reproduce 100% of the time on a AMD-based desktop > > > > box that resume from hibernation (or suspend) fails because of the firewire_ohci > > > > module. The box just hangs when firewire_ohci resume runs, apparently, and it > > > > is sufficient to do: > > > > > > > > # echo devices > /sys/power/pm_test > > > > # echo disk > /sys/power/state > > > > > > > > to reproduce the issue. > > > > > > Do you have anything attached to the FireWire bus? What controller do > > > you have? > > > > I just now tested the above on an Intel Mac mini, running > > unmodified 2.6.37-rc4 x86-32, without and with a camera on the FireWire > > port, and could not reproduce the problem. I also got an AMD based PC > > here with an array of different FireWire controllers which I shall make > > available to the same test... > > I'm unable to reproduce the problem with 2.6.37-rc6, so presumably this was > a temporary glitch with the particular kernel build. Good. I finally got around to test this on my AMD RS780 based PC with several FireWire controllers in it. It performs above PM test without any apparent problem. -- Stefan Richter -=====-==-=- ==-- =---= http://arcgraph.de/sr/ -- 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/