Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754768AbXLASe1 (ORCPT ); Sat, 1 Dec 2007 13:34:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753888AbXLASd6 (ORCPT ); Sat, 1 Dec 2007 13:33:58 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:39588 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753664AbXLASd5 (ORCPT ); Sat, 1 Dec 2007 13:33:57 -0500 Date: Sat, 1 Dec 2007 19:32:56 +0100 From: Ingo Molnar To: =?iso-8859-1?Q?J=F6rn?= Engel Cc: Mark Lord , Pavel Machek , Mark Lord , Thomas Gleixner , len.brown@intel.com, Andrew Morton , linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, rjw@sisk.pl Subject: Re: [BUG] Strange 1-second pauses during Resume-from-RAM Message-ID: <20071201183256.GA14052@elte.hu> References: <20071115181418.GA6603@ucw.cz> <473C825E.3030307@rtr.ca> <20071115193424.GA31691@elte.hu> <20071115193612.GA751@elte.hu> <20071130125628.GA30773@lazybastard.org> <20071130133546.GB29679@elte.hu> <20071130134312.GA32273@elte.hu> <20071130183510.GA1570@lazybastard.org> <20071130184625.GB9928@elte.hu> <20071201151650.GA5031@lazybastard.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20071201151650.GA5031@lazybastard.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 991 Lines: 28 * J?rn Engel wrote: > > hm, that looks weird. if you disable CONFIG_PROVE_LOCKING, does that > > improve things? (or just turns a noisy lockup into a silent lockup?) > > Not much, although the dumps look different now: > http://logfs.org/~joern/trace3.jpg > http://logfs.org/~joern/trace4.jpg > > I have to change my qemu setup a little to see the top of those > dumps... btw., if you start qemu like this: qemu -cdrom ./cdrom.iso -hda ./hda.img -boot c -full-screen -kernel ~/bzImage -append "root=/dev/hda1 earlyprintk=serial,ttyS0,9600 console=tty console=ttyS0,9600 enforcing=0 debug" you'll get the inner kernel's serial console log to qemu's standard output. Pretty useful for capturing kernel crashes. Ingo -- 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/