From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 26 Nov 2008 23:11:00 +0000 (GMT) Received: from localhost.localdomain ([127.0.0.1]:8091 "EHLO localhost.localdomain") by ftp.linux-mips.org with ESMTP id S23940979AbYKZXKy (ORCPT ); Wed, 26 Nov 2008 23:10:54 +0000 Date: Wed, 26 Nov 2008 23:10:54 +0000 (GMT) From: "Maciej W. Rozycki" To: Mark E Mason cc: LMO , "mmason@upwardaccess.com" Subject: Re: Booting top-of-tree bcm47xx as nfs-root with cfe only (no sibyl) In-Reply-To: Message-ID: References: User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 21452 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: macro@linux-mips.org Precedence: bulk X-list: linux-mips On Wed, 26 Nov 2008, Mark E Mason wrote: > Linux version 2.6.28-rc6 (mason@hawaii) (gcc version 3.4.4) #4 Wed Nov 26 13:59:54 PST 2008 > arcs_cmdline='root=/dev/nfs rw nfsroot=10.0.1.184:/home/mason/debian-root-el console=ttyS0,115200'<6>console [early0] enabled [...] > VFS: Cannot open root device "nfs" or unknown-block(0,255) > Please append a correct "root=" boot option; here are the available partitions: > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,255) For NFS root to work you have to specify an "ip=" option too, so that a network interface gets assigned an address somehow. The default for this option was changed to "off" at some point with no respective update to documentation apparently. Maciej