From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754014AbYIJRDl (ORCPT ); Wed, 10 Sep 2008 13:03:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752326AbYIJRDb (ORCPT ); Wed, 10 Sep 2008 13:03:31 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:46881 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752313AbYIJRDb (ORCPT ); Wed, 10 Sep 2008 13:03:31 -0400 Date: Wed, 10 Sep 2008 10:02:41 -0700 (PDT) From: Linus Torvalds To: Frans Pop cc: Alan Cox , linux-kernel@vger.kernel.org, Thomas Gleixner Subject: Re: Time travel experiment? In-Reply-To: <200809101856.24997.elendil@planet.nl> Message-ID: References: <200809101658.06935.elendil@planet.nl> <200809101755.19927.elendil@planet.nl> <200809101825.29276.elendil@planet.nl> <200809101856.24997.elendil@planet.nl> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 10 Sep 2008, Frans Pop wrote: > > But I would not expect the RTC to get changed when the resume is > successful. Or does it just get updated with every resume step without a > reset to the pre-trace value on completion? Indeed. We don't know where the bug happens when tracing, so each trace-point just writes its hash value into it. And nothing restores it, since nothing knows that the resume is "done" (a lot of problems happen due to X interactions much later than the 'core' resume thing). Linus