Re: [Xen-users] XEN 4.0.1 + pv_ops kernel DomU issues

[David Gonzalez Herrera <dgonzalezh@xxxxxxxxx>]

Hi Richie,

Well no LVM on the DomU, kernel just trying to look for vg0 which is present on Dom0 but not DomU, tried omitting the lvm modules from being added to initrd image but it still tries to load a non-existent vg.

Also I wanted to point out that I'm creating my initrd.img from my running Dom0 kernel which is working good but when I try to boot a DomU with it and the custom initrd.img I get the mentioned error.

Thank you for your quick replies guys.

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Proud Linux User #294661

On Mon, Oct 25, 2010 at 6:47 PM, Richie <listmail@xxxxxxxxxxxx> wrote:

On 10/25/2010 07:34 PM, Teck Choon Giam wrote:

SNAP

 

[root@vm ~]# xm create -c dev
Using config file "/etc/xen/dev".
Started domain dev (id=4)
(early) Linux version 2.6.32.24xen (root@xxxxxxxxxxxxxx) (gcc version 4.1.2
20080704 (Red Hat 4.1.2-48)) #1 SMP Mon Oct 25 05:59:22 COT 2010
(early) Command line: root=/dev/sda1 ro
ip=192.168.254.10:127.0.255.255:192.168.254.1:255.255.255.0::eth0:off
earlyprintk=xen console=hvc0
   

Just curious... isn't pvops kernel using xvdX naming for the domU
devices?  Your domU root is /dev/sda1 so did you try root=/dev/xvda1
instead?  Of course you also need to adjust your domU /etc/fstab file
accordingly.  Correct me if I am wrong... ...

Thanks.

Kindest regards,
Giam Teck Choon

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It is.  However, if he has installed LVM2 filesystem(s) inside the disk image then the initrd may need to be updated to have dm-mod (if not built in to the booting kernel) and lvm2 support.

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