From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750991AbXCTTkz (ORCPT ); Tue, 20 Mar 2007 15:40:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752800AbXCTTkz (ORCPT ); Tue, 20 Mar 2007 15:40:55 -0400 Received: from minas.ics.muni.cz ([147.251.4.40]:35858 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751324AbXCTTky (ORCPT ); Tue, 20 Mar 2007 15:40:54 -0400 Message-ID: <4600389E.6030901@gmail.com> Date: Tue, 20 Mar 2007 20:40:14 +0100 From: Jiri Slaby User-Agent: Thunderbird 2.0b2 (X11/20070116) MIME-Version: 1.0 To: Pavel Machek CC: Andrew Morton , linux-kernel@vger.kernel.org, linux-pm@lists.osdl.org, "Rafael J. Wysocki" Subject: Re: 2.6.21-rc4-mm1 References: <20070319205623.299d0378.akpm@linux-foundation.org> <45FFF026.4030502@gmail.com> <20070320080944.9cb3c765.akpm@linux-foundation.org> <20070320183821.GD2670@elf.ucw.cz> In-Reply-To: <20070320183821.GD2670@elf.ucw.cz> X-Enigmail-Version: 0.95b Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Muni-Spam-TestIP: 147.251.48.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Tue, 20 Mar 2007 20:40:17 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek napsal(a): > Hi! > >>> Andrew Morton napsal(a): >>>> http://userweb.kernel.org/~akpm/2.6.21-rc4-mm1/ >>> I'm getting this while trying to swsusp: >>> Stopping tasks ... >>> Stopping kernel threads timed out after 20 seconds (1 tasks refusing to freeze): >>> swapper >>> Restarting tasks ... done. >>> >>> What to test? Enable PM_DEBUG? > > Is it repeatable? Freezer normally works better than that. Yes, at least it happened 3 times consecutively, when I tried to asleep the machine, then I turned it off. >> Also, it might be useful to add a temporary /proc/freeze-unfreeze thing >> which will simply do a freeze/unfreeze cycle. Then we can apply various >> workloads to the machine while madly stressing the freezer code. > > echo testproc > /sys/power/disk; echo disk > /sys/power/state ... is > pretty much what you want. Ok, I'll try this. thanks, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E