From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Halasa Subject: Re: [PATCH 2.6.21.1] nfs-root: added possibility to override default MTU (for UDP jumbo frames) Date: Mon, 02 Jul 2007 16:09:14 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: manio@skyboo.net Return-path: 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 In-Reply-To: (manio@skyboo.net's message of "Mon, 02 Jul 2007 14:38:16 +0200") Sender: netdev-owner@vger.kernel.org List-Id: netdev.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