It looks you specified "root=/dev/xvda", but the disk that is instantiated is /dev/sda. But I didn't see why it happened. Did you customized the template for libvirt, libvirt.xml.template?
On Thu, Aug 18, 2011 at 05:54:45PM -0700, Joshua Harlow wrote: > Hi all, > > On xen + openstack diaboli-3 when running an instance with the generic ubuntu > UEC images from http://wiki.openstack.org/RunningNova#Registering_the_image > I > am seeing the following: > > [ 0.210681] VFS: Cannot open root device "xvda" or unknown-block(0,0) > [ 0.210691] Please append a correct "root=" boot option; here are the > available partitions: > [ 0.210708] ca00 8192 sda driver: vbd > [ 0.210720] Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(0,0) > > This is on debian 6 (x86-64), is this a location that exists for others? > > Here is the xml that was used to create this instance. It looks pretty > standard. Any xen users out there encountered this? > > <domain type='xen' id='18'> > <name>instance-0000002b</name> > <uuid>a1655436-d1c6-3e2c-bf57-a9c487f21e27</uuid> > <memory>524288</memory> > <currentMemory>524288</currentMemory> > <vcpu>1</vcpu> > <bootloader></bootloader> > <os> > <type>linux</type> > <kernel>/home/ctoteam/nova/nova/..//instances/instance-0000002b/kernel</ > kernel> > <cmdline>root=/dev/xvda ro</cmdline> > </os> > <clock offset='utc'/> > <on_poweroff>destroy</on_poweroff> > <on_reboot>restart</on_reboot> > <on_crash>destroy</on_crash> > <devices> > <emulator>/usr/lib/xen-4.0/bin/qemu-dm</emulator> > <disk type='file' device='disk'> > <driver name='file'/> > <source file='/home/ctoteam/nova/nova/..//instances/instance-0000002b/ > disk'/> > <target dev='sda' bus='scsi'/> > </disk> > <interface type='bridge'> > <mac address='02:16:3e:65:67:59'/> > <source bridge='pan0'/> > <script path='/etc/xen/scripts/vif-bridge'/> > <target dev='vif18.0'/> > </interface> > <console type='pty' tty='/dev/pts/2'> > <source path='/dev/pts/2'/> > <target type='xen' port='0'/> > </console> > <input type='mouse' bus='xen'/> > <graphics type='vnc' port='5900' autoport='yes' listen='0.0.0.0' keymap= > 'en-us'/> > </devices> > </domain> > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp -- yamahata _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
