From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 06621DDF58 for ; Wed, 11 Apr 2007 08:34:49 +1000 (EST) Subject: Re: Cannot open ramdisk From: Benjamin Herrenschmidt To: Chris West In-Reply-To: References: Content-Type: text/plain Date: Wed, 11 Apr 2007 08:34:38 +1000 Message-Id: <1176244478.8061.55.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > My ramdisk is a compressed 64MB ext3 filesystem in /ppc/chrp/system > > After the kernel has booted I get the following message: > > VFS: Cannot open root device "ram0" or unknown-block(1,0) > Please append a correct "root=" boot option > > I've read that only uncompressed kernels can load a ramdisk, is this still the case? > I have tried using an uncompressed kernel with the same results. > > Can anyone tell me why my ramdisk isn't being loaded? Not sure... what is the full kernel log and the messages from yaboot ? It's possible that your ramdisk is just too big for either yaboot or the kernel to cope... Also, the ramdisk should be compressed, is it ? Ben.