From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759476AbXGBOJ1 (ORCPT ); Mon, 2 Jul 2007 10:09:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754314AbXGBOJR (ORCPT ); Mon, 2 Jul 2007 10:09:17 -0400 Received: from khc.piap.pl ([195.187.100.11]:48542 "EHLO khc.piap.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753037AbXGBOJQ (ORCPT ); Mon, 2 Jul 2007 10:09:16 -0400 To: manio@skyboo.net Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 2.6.21.1] nfs-root: added possibility to override default MTU (for UDP jumbo frames) References: From: Krzysztof Halasa Date: Mon, 02 Jul 2007 16:09:14 +0200 In-Reply-To: (manio@skyboo.net's message of "Mon, 02 Jul 2007 14:38:16 +0200") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org manio@skyboo.net writes: > To use a NFS-root for UDP jumbo frames the kernel on the client need to bring > up interface with MTU set to 9000 bytes - otherwise it cannot contact server > with jumbo frames enabled (nfs server not responding, still trying) and > cannot > boot. Added a kernel parameter named 'ipmtu' which can be used to specify > initial MTU size when booting via nfsroot. Isn't the whole IP autoconfig and NFS root set to die? Why not do it in initramfs? -- Krzysztof Halasa