From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([69.77.167.62] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1JJWgP-0007Ds-6s for garchives@archives.gentoo.org; Mon, 28 Jan 2008 16:18:05 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 90E0CE02E8; Mon, 28 Jan 2008 16:18:04 +0000 (UTC) Received: from mtai03.charter.net (mtai03.charter.net [209.225.8.183]) by pigeon.gentoo.org (Postfix) with ESMTP id 64C01E02E8 for ; Mon, 28 Jan 2008 16:18:04 +0000 (UTC) Received: from aarprv06.charter.net ([10.20.200.76]) by mtai03.charter.net (InterMail vM.7.08.02.00 201-2186-121-20061213) with ESMTP id <20080128161759.BXQ24905.mtai03.charter.net@aarprv06.charter.net> for ; Mon, 28 Jan 2008 11:17:59 -0500 Received: from agaffney.org ([68.188.61.127]) by aarprv06.charter.net with ESMTP id <20080128161759.JGNT14098.aarprv06.charter.net@agaffney.org> for ; Mon, 28 Jan 2008 11:17:59 -0500 Received: from [192.168.0.10] (kagome [192.168.0.10]) by agaffney.org (Postfix) with ESMTP id B50A71E0070 for ; Mon, 28 Jan 2008 10:17:58 -0600 (CST) Message-ID: <479E0036.2040901@gentoo.org> Date: Mon, 28 Jan 2008 10:17:58 -0600 From: Andrew Gaffney User-Agent: Thunderbird 2.0.0.9 (X11/20080111) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-releng@lists.gentoo.org Reply-to: gentoo-releng@lists.gentoo.org MIME-Version: 1.0 To: gentoo-releng@lists.gentoo.org Subject: Re: [gentoo-releng] kexec compiled into kernel References: <20080128155847.M6157@visp.net.lb> In-Reply-To: <20080128155847.M6157@visp.net.lb> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Chzlrs: 0 X-Archives-Salt: ad87903e-adaa-4442-8042-85955f958e1b X-Archives-Hash: 1b98d44eaee063c2a8c112532cb29467 Denys Fedoryshchenko wrote: > Hi > > Is it possible to compile in kernel kexec support? at least for architectures > where it is well supported. > > It is very handy, when Gentoo installed on PC remotely on regular PC, when > people there just boot CD and set ip, and leave location for few days. > It is not possible to eject CD on remote PC, cause on reboot BIOS usually > closing tray. kexec will let to reboot system to newly compiled kernel > without full reboot, avoiding system to boot from CD again. Remote tech's on > location can remove CD later, when it is comfortable for them. How is kexec used? Are there commandline utilities for it? Is it triggered through a /proc interface? -- Andrew Gaffney http://dev.gentoo.org/~agaffney/ Gentoo Linux Developer Catalyst/Installer + x86 release coordinator -- gentoo-releng@lists.gentoo.org mailing list