From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjoern Sessler Subject: domU kernel panic with root fs Date: Sat, 13 Nov 2004 12:31:31 +0100 Message-ID: <4195F093.2040506@web.de> Reply-To: bjoern.sessler@web.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Return-path: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Hi, i installed xen 2.0 on my new installed gentoo box. xen0 works great, but i can't get domU kernel to mount root fs: VFS: Cannot open root device "sda5" or unknown-block(8,5) Please append a correct "root=" boot option Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,5) this happens with all root-fs i've tried, ttylinux and my cloned root from Xen0. ttylinux lives now on a hdc partition, the cloned root were lvm2 devices over kernlraid, which worked fine on my old gentoo with xeno-unstable. fstab on ttylinux also points to sda5, sda5 also exists on Xen0, but also hda1 doesn't work. i also saw similar problem with wrong config of disk= parameter, but doesn't help me. config looks like following for these parts: # disk = [ 'phy:vg1/vm101,hda1,w', 'phy:vg1/vm101-swap,hda2,w', 'phy:sdb7,hdc1,r!', 'phy:sdc5,hdc2,r!' ] disk = [ "file:/machines/backup/ttylinux-xen,sda5,w" ] #disk = [ 'phy:hdc6,hda1,w' ] #ip = "192.168.1.101" #netmask = "255.255.255.0" #gateway = "192.168.1.1" # Set root device. root = "/dev/sda5 ro" i believe i forgot something in the kernel for XenU but i started with default-config. Thanks & Regards, Björn ------------------------------------------------------- This SF.Net email is sponsored by: InterSystems CACHE FREE OODBMS DOWNLOAD - A multidimensional database that combines robust object and relational technologies, making it a perfect match for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8