From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268773AbTGTWjL (ORCPT ); Sun, 20 Jul 2003 18:39:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268836AbTGTWjK (ORCPT ); Sun, 20 Jul 2003 18:39:10 -0400 Received: from smtp-out2.iol.cz ([194.228.2.87]:37864 "EHLO smtp-out2.iol.cz") by vger.kernel.org with ESMTP id S268773AbTGTWjA (ORCPT ); Sun, 20 Jul 2003 18:39:00 -0400 Date: Mon, 21 Jul 2003 00:53:43 +0200 From: Pavel Machek To: Jan Rychter Cc: linux-kernel@vger.kernel.org Subject: Re: Suspend on one machine, resume elsewhere Message-ID: <20030720225342.GA866@elf.ucw.cz> References: <20030716083758.GA246@elf.ucw.cz> <200307161037.LAA01628@mauve.demon.co.uk> <20030716104026.GC138@elf.ucw.cz> <20030716195129.A9277@informatik.tu-chemnitz.de> <20030716181551.GD138@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > If you want to migrate programs between machines, run UMLinux, same > > config, on both machines. Ouch and you'll need swsusp for UMLinux, > > too > >> > >> That might be more important than you think. > > Pavel> :-). Well, it is also harder than you probably think, because > Pavel> UML is *very* strange architecture and it is not at all easy to > Pavel> save/restore its state. There were some patches in that area, > Pavel> but it never worked (AFAIK). > > ... but there are many people who dream about swsusp for UMLinux. > > Particularly some laptop users who want to suspend (at least the most > critical long-running applications) and/or find Linux way too unstable > and requiring frequent reboots. > > The day UMLinux gets swsusp, I'm moving my XEmacs, mozilla and some > other toys into a UML machine and staying there. Hopefully then a single > problem with a USB driver, keventd running wild, or other frequently > encountered breakage won't be taking my entire world down. Well, then you may as well help porting swsusp to UML ;-). OTOH, single problem with suspend *will* then bring your entire world down :-(. You would be able to rollback, through. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?]