Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758203AbXIFTzq (ORCPT ); Thu, 6 Sep 2007 15:55:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756597AbXIFTzj (ORCPT ); Thu, 6 Sep 2007 15:55:39 -0400 Received: from smtp1.Stanford.EDU ([171.67.22.28]:54024 "EHLO smtp1.stanford.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755500AbXIFTzi (ORCPT ); Thu, 6 Sep 2007 15:55:38 -0400 Subject: Re: 2.6.22.6 + rt9: suspend/hibernate not working From: Fernando Lopez-Lezcano To: Ingo Molnar , Daniel Walker Cc: linux-kernel@vger.kernel.org, planetccrma@ccrma.Stanford.EDU, Pavel Machek In-Reply-To: <1189104143.10587.8.camel@cmn3.stanford.edu> References: <1188951154.26511.90.camel@cmn3.stanford.edu> <1188951309.4442.1.camel@imap.mvista.com> <1189104143.10587.8.camel@cmn3.stanford.edu> Content-Type: text/plain Date: Thu, 06 Sep 2007 12:55:35 -0700 Message-Id: <1189108535.10587.11.camel@cmn3.stanford.edu> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1661 Lines: 39 On Thu, 2007-09-06 at 11:42 -0700, Fernando Lopez-Lezcano wrote: > On Tue, 2007-09-04 at 17:15 -0700, Daniel Walker wrote: > > On Tue, 2007-09-04 at 17:12 -0700, Fernando Lopez-Lezcano wrote: > > > Hi Ingo... I'm getting reports from some of my Planet CCRMA users (which > > > I confirmed) that the latest rt kernel I released has broken suspend > > > (tested on fc6 & fc7, stock Fedora kernel works fine - the rt > > > configuration files are virtual clones as far as possible of the > > > standard Fedora kernel config files). > > > > > > I don't know where to start debugging this. When suspend is initiated it > > > freezes with a "Stopping tasks ... " message in the text console - a > > > hard power cycle is the only way to get the machine back to normal. > > > > > > kernel/power/process.c seems to contain that string in the > > > freeze_processes function so it looks like the freezer is not freezing > > > tasks as no "done" message is ever printed. > > > > > > What could we do to help? > > > > If you have high resolution timers enabled you could try disabling it, > > and see if the problem persists . > > The problem is still there ("Stopping tasks ... " and nothing > afterwards). Looks like it was a known problem (sorry about the noise), see: http://lkml.org/lkml/2007/8/25/117 It does fix the problem here as well. Ingo: is this still the right fix for 2.6.22.6 + rt9? -- Fernando - 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/