Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262398AbUJ0MLx (ORCPT ); Wed, 27 Oct 2004 08:11:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262401AbUJ0MLw (ORCPT ); Wed, 27 Oct 2004 08:11:52 -0400 Received: from gate.crashing.org ([63.228.1.57]:15590 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S262398AbUJ0MK7 (ORCPT ); Wed, 27 Oct 2004 08:10:59 -0400 Subject: Re: Strange IO behaviour on wakeup from sleep From: Benjamin Herrenschmidt To: Tim Schmielau Cc: Pavel Machek , Linux Kernel list , Paul Mackerras , Andrew Morton , Bartlomiej Zolnierkiewicz , Jens Axboe In-Reply-To: References: <1098845804.606.4.camel@gaston> Content-Type: text/plain Date: Wed, 27 Oct 2004 22:06:29 +1000 Message-Id: <1098878790.9478.11.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1003 Lines: 25 On Wed, 2004-10-27 at 13:20 +0200, Tim Schmielau wrote: > On Wed, 27 Oct 2004, Benjamin Herrenschmidt wrote: > > > Not much datas at this point yet, but paulus and I noticed that current > > bk (happened already last saturday or so) has a very strange problem > > when waking up from sleep (suspend to ram) on our laptops. > > It's a shot in the dark, but I am concerned whether timers continue to > work correctly after suspend with the following patch from Linus' bk tree. > I think jiffies may not be set behind the back of the timer subsystem, but > maybe it works if we can guarantee there are no timers scheduled. > > It might be worth backing out and retesting. The problem has been observed on ppc, while this patch only affects i386... Ben. - 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/