From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Enge Subject: Re: Porting GuixSD to ARM article. Date: Tue, 23 Jan 2018 21:46:46 +0100 Message-ID: <20180123204646.GC2720@jurong> References: <87shc2c3fh.fsf@gmail.com> <20180122211500.GA2400@jurong> <87vaftgc7t.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:60484) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ee5T5-0001B1-Uv for guix-devel@gnu.org; Tue, 23 Jan 2018 15:46:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ee5T1-0005mK-Uq for guix-devel@gnu.org; Tue, 23 Jan 2018 15:46:55 -0500 Received: from hera.aquilenet.fr ([185.233.100.1]:32990) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ee5T1-0005kq-OI for guix-devel@gnu.org; Tue, 23 Jan 2018 15:46:51 -0500 Content-Disposition: inline In-Reply-To: <87vaftgc7t.fsf@gmail.com> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Mathieu Othacehe Cc: Guix-devel Hello, On Tue, Jan 23, 2018 at 10:23:50AM +0100, Mathieu Othacehe wrote: > > Notice that the last section of the blog post does not solve the problem: > > As I realised by trial and error when trying to use a disk-image for a > > virtual machine, it really is only an installation-image, since user data > > is stored in an overlay file system that is lost upon reboot. > It's only true if your image is including "%installation-services" that > provides "cow-store-service". That's why in the mpd.scm from the article > the system is not inherited from beaglebone-black-installation-os. By > starting from mpd.scm you should be able to write a system config that > can boot and be used directly without any further installation step. I see, that is a very interesting observation! Is it documented anywhere? A further naive question: How does it differ from a vm-image then? > Thanks, I hope you will be able to produce a working GuixSD image for > your target. Don't hesitate to ask other questions! I should give it a try, once I have a bit of time, which probably means not before the weekend. Thanks! Andreas