From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended) Date: Mon, 9 Feb 2009 10:18:49 +0100 Message-ID: <20090209091849.GF31890@elte.hu> References: <878wognj00.fsf@burly.wgtn.ondioline.org> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <878wognj00.fsf-D7l3p2TGOOdLdt5/z87VRY6ehsQQaF5K@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Paul Collins Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Thomas Gleixner * Paul Collins wrote: > "Rafael J. Wysocki" writes: > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12667 > > Subject : Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended) > > Submitter : Paul Collins > > Date : 2009-01-21 7:15 (19 days old) > > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1c5745aa380efb6417b5681104b007c8612fb496 > > References : http://marc.info/?l=linux-kernel&m=123252215315106&w=4 > > I've just done ten suspend/resume cycles with 2.6.29-rc4 and this > message was not logged, so it's either gone away or else become much > more difficult to reproduce. Various suspend handlers were enabling irqs spuriously - fixed by recent patches in -rc4. The warning above is consistent with the timekeeping code being surprised with a premature irqs-enable. Ingo From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754025AbZBIJTS (ORCPT ); Mon, 9 Feb 2009 04:19:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752462AbZBIJTE (ORCPT ); Mon, 9 Feb 2009 04:19:04 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:38532 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbZBIJTC (ORCPT ); Mon, 9 Feb 2009 04:19:02 -0500 Date: Mon, 9 Feb 2009 10:18:49 +0100 From: Ingo Molnar To: Paul Collins Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Thomas Gleixner Subject: Re: [Bug #12667] Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended) Message-ID: <20090209091849.GF31890@elte.hu> References: <878wognj00.fsf@burly.wgtn.ondioline.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <878wognj00.fsf@burly.wgtn.ondioline.org> User-Agent: Mutt/1.5.18 (2008-05-17) 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 * Paul Collins wrote: > "Rafael J. Wysocki" writes: > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12667 > > Subject : Badness at kernel/time/timekeeping.c:98 in pmud (timekeeping_suspended) > > Submitter : Paul Collins > > Date : 2009-01-21 7:15 (19 days old) > > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1c5745aa380efb6417b5681104b007c8612fb496 > > References : http://marc.info/?l=linux-kernel&m=123252215315106&w=4 > > I've just done ten suspend/resume cycles with 2.6.29-rc4 and this > message was not logged, so it's either gone away or else become much > more difficult to reproduce. Various suspend handlers were enabling irqs spuriously - fixed by recent patches in -rc4. The warning above is consistent with the timekeeping code being surprised with a premature irqs-enable. Ingo