Re: [Xen-devel] compiling xen in AMD

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Hello Kuriakose,

Perhaps  the  original  ubuntu  kernel is newer than 2.6.18.8, and the
2.6.18.8 doesn't support booting by uuid yet ?
Or is it a kernel config option that's not default on with 2.6.18.8 ?

--
Sander


Sunday, October 11, 2009, 4:12:25 AM, you wrote:

> Hi all,

> I am trying to compile  xen 3.1.3 from source . The existing OS in my
> machine is ubuntu 8.04. The make world and make install were successfull. I
> then made a initrd image using update-initramfs command (at /lib/modules)
> with -k linux version 2.6.18.8 (since that is the linux kernel version
> corresponding to xen 3.1.3). Then I make the change in the
> boot/grub/menu.lst to point to the compiled images.

> But while booting after a particular point ( usb: 3 ports detected ) . It is
> giving the error.

> Check root = boot arg cat /proc/cmdline
> or missing modules , devices.
> cat /proc/modules ls dev

> ALERT! /dev/disk/by-uuid/<uuid> does not exist dropping to a shell.

> - I am sure the uuid given in menu.lst is right since it works for the
> original ubuntu installation . I changed uuid with /dev/sdax but then the
> error is /dev/sdax missing dropping to..(rest of the error is same) .My
> machine config is  AMD Phenom(tm) 9550 quad core processor. 64 bit.
> Cpu Mhz :2204 .

> - 1 thing I am doing is manually downloading the linux kernel and putting in
> the xen source directory.( It is the same version that xen is trying to
> download.) Will that be a problem?

> - can it the problem of initrd or the xen compilation?

> - It gives the same problem with ubuntu 7.04.

> -Or is there some compiler option with AMD.

> I have tried many possibilities and now run out of all options.
> Please help.

> -Mathew



-- 
Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx


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