Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932293AbXFEIXj (ORCPT ); Tue, 5 Jun 2007 04:23:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758062AbXFEIXc (ORCPT ); Tue, 5 Jun 2007 04:23:32 -0400 Received: from smtp24.orange.fr ([193.252.22.25]:48047 "EHLO smtp24.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754699AbXFEIXa (ORCPT ); Tue, 5 Jun 2007 04:23:30 -0400 X-ME-UUID: 20070605081552499.79F641C00093@mwinf2458.orange.fr Subject: Re: A kexec approach to hibernation From: Xavier Bestel To: nigel@nigel.suspend2.net Cc: Jeremy Maitin-Shepard , Pavel Machek , Jeremy Maitin-Shepard , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Linus Torvalds In-Reply-To: <1180996586.4356.65.camel@nigel.suspend2.net> References: <878xb3l888.fsf@jbms.ath.cx> <200706020114.37245.rjw@sisk.pl> <87odjz9qo9.fsf@jbms.ath.cx> <200706020233.44509.rjw@sisk.pl> <87k5un9l4n.fsf@jbms.ath.cx> <20070604104621.GB4405@elf.ucw.cz> <20070604220910.GB2515@andrew.cmu.edu> <1180996586.4356.65.camel@nigel.suspend2.net> Content-Type: text/plain Date: Tue, 05 Jun 2007 10:15:41 +0200 Message-Id: <1181031341.6863.164.camel@frg-rhel40-em64t-04> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-27) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 899 Lines: 20 On Tue, 2007-06-05 at 08:36 +1000, Nigel Cunningham wrote: > I spent some time, last I think, seriously considering this approach. > The more I thought about the details, the more I realised that it wasn't > a viable approach. As I said before, it does indeed sound like a dream > at first, but once you get into the details, it becomes more and more of > a nightmare. >From very far, it looks like apm suspend (i.e. an "external" system taking control of the computer for hibernation and resuming). FWIW, on my old laptop apm beats any kernel solution hands down in terms of speed and robustness. Not that this means anything for kexec-suspend. Xav - 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/