Hi Christian
Thanks for the reply, but your sugesstions did not work .. i am still
failing at the same point. It is somehow not able to mount the root
file system.
1. Do I need to have "/dev/nfs" as an existing device in the target
(domain 0)system
2. Are there any daemons or services that I need running on my domain0
before attempting to create domain1
3. When you say use static IP configuration, I presume this means setting
ip="<address> in the xen config file.
4. After completing IP config I believe it should use contact the NFS
bootserver, but i do not see any such commands in the boot log.
Please help me if something is wrong in my configuration
FYR, here is the boot log
************ REMOTE CONSOLE: CTRL-] TO QUIT ********
Linux version 2.6.9-xenU (xenod@xxxxxxxxxxxxxxxxxxxxxx) (gcc
version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 Wed Nov 17
22:29:37 GMT 2004
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000008000000 (usable)
128MB LOWMEM available.
DMI not present.
Built 1 zonelists
Kernel command line: ip=192.168.123.145:192.168.123.200:192.
168.123.254:255.255.255.0:VM-3:eth0:off root=/dev/nfs nfsroot
=192.168.123.200:/xen_nfs/tmp 3 VMID=3 enforcing=0
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 1793.261 MHz processor.
Using tsc for high-res timesource
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 126148k/131072k available (1596k kernel code, 4860k reserved,
466k data, 92k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU: AMD Opteron(tm) Processor 244 stepping 08
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... disabled
checking if image is initramfs... it is
Freeing initrd memory: 1061k freed
NET: Registered protocol family 16
Initializing Cryptographic API
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as tty
Event-channel device installed.
Starting Xen Balloon driver
xen_blk: Initialising virtual block device driver
xen_blk: Timeout connecting to device!
xen_net: Initialising virtual ethernet driver.
NET: Registered protocol family 2
IP: routing cache hash table of 1024 buckets, 8Kbytes
TCP: Hash tables configured (established 8192 bind 16384)
NET: Registered protocol family 1
NET: Registered protocol family 17
IP-Config: Complete:
device=eth0, addr=192.168.123.145, mask=255.255.255.0,
gw=192.168.123.254, host=VM-3, domain=, nis-domain=(none),
bootserver=192.168.123.200, rootserver=192.168.123.200,
rootpath=
Freeing unused kernel memory: 92k freed
Red Hat nash version 4.1.18 starting
Mounted /proc filesystem
Mounting sysfs
Creating /dev
Starting udev
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempted to kill init!
On Fri, 7 Jan 2005 10:01:19 +0000, Christian Limpach
<Christian.Limpach@xxxxxxxxxxxx> wrote:
> On Thu, Jan 06, 2005 at 11:37:09PM -0800, Nauzad Sadry wrote:
> > Hello everyone
> > I have Xen-2.0.1 setup with dom0 starting from local disk.
> > I need to start domU from NFS
> > The NFS server works - both local and remote clients can use it.
> > But not domU
> >
> > Here is the boot log
> >
> > IP-Config: Incomplete network configuration information.
>
> Try booting with a static IP configuration. For dhcp you will need to
> build your own xenU kernel since the one we provide doesn't have dhcp
> client support compiled in. Alternatively you could use our xen0 kernel
> which has dhcp client support compiled in.
>
> > On my NFS export, the etc/fstab is as follows
> > /xen_nfs/root / ext3 defaults 1 1
> > none /dev/pts devpts gid=5,mode=620 0 0
> > none /proc proc defaults 0 0
> > none /dev/shm tmpfs defaults 0 0
> > /dev/hda5 swap swap defaults 0 0
> > /dev/cdrom /mnt/cdrom udf,iso9660 noauto,owner,kudzu,ro
> > 0 0
> > /dev/fd0 /mnt/floppy auto noauto,owner,kudzu 0 0
>
> Unless you're exporting a block device to the domain as hda5, this will
> fail when swap gets enabled. Also, your entry for the root fs is not
> correct. The 1st field should be of the form server:/path/to/root --
> I usually use IP addresses, a hostname might work, certainly if it's
> defined in /etc/hosts. The filesystem type needs to be nfs, not ext3.
> Also the dump frequency and fsck pass number fields should both be 0.
>
> christian
>
>
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