Re: [Xen-devel] pygrub: further improve grub2 support

[Boris Derzhavets <bderzhavets@xxxxxxxxx>]

Thank you, i've got PV DomU loaded right away ( fixed error ):-

[    0.188837] udev: starting version 151
Begin: Loading essential drivers... ...
Done.
Begin: Running /scripts/init-premount ...
Done.
Begin: Mounting root file system... ...
Begin: Running /scripts/local-top ...
Done.
[    0.263402] blkfront: xvda: barriers enabled
[    0.263632]  xvda: xvda1 xvda2 < xvda5 >
Begin: Running /scripts/local-premount ...
Done.
[    0.537976] EXT4-fs (xvda1): mounted filesystem with ordered data mode
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
fsck from util-linux-ng 2.17.2
/dev/xvda1: clean, 154798/960992 files, 786049/3837952 blocks

Ubuntu lucid (development branch) Ubuntu10 hvc0

Ubuntu10 login: root
Password:
Last login: Fri Mar 26 13:32:29 MSK 2010 on tty1
Linux Ubuntu10 2.6.32-16-server #25-Ubuntu SMP Tue Mar 9 17:40:50 UTC 2010 x86_64

For documentation and useful resources, please visit:
 * http://ubuntu.com/server/doc

  System information as of Fri Mar 26 00:55:37 MSK 2010

  System load: 0.05              Memory usage: 2%   Processes:       79
  Usage of /:  5.8% of 14.41GB   Swap usage:   0%   Users logged in: 0

  Graph this data and manage this system at https://landscape.canonical.com/

75 packages can be updated.
0 updates are security updates.

Checking for a new ubuntu release
No new release found

For documentation and useful resources, please visit:
 * http://ubuntu.com/server/doc

  System information as of Fri Mar 26 20:01:05 MSK 2010

  System load: 0.06               Memory usage: 1%   Processes:       101
  Usage of /:  19.2% of 14.41GB   Swap usage:   0%   Users logged in: 0

  Graph this data and manage this system at https://landscape.canonical.com/

Checking for a new ubuntu release
No new release found
root@Ubuntu10:~# uname -a
Linux Ubuntu10 2.6.32-16-server #25-Ubuntu SMP Tue Mar 9 17:40:50 UTC 2010 x86_64 GNU/Linux


Boris.

--- On Fri, 3/26/10, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:

From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Xen-devel] pygrub: further improve grub2 support
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Friday, March 26, 2010, 12:55 PM

On Fri, 2010-03-26 at 16:52 +0000, Boris Derzhavets wrote:
> I would guess HVM image is bkoken on for Ubuntu 10.04 Server Beta
> Attempt to load PV via profile :-
>
> memory = 2048
> name = "Ubuntu10.04"
> kernel="/home/boris/lynx/vmlinuz-2.6.32-16-server"
> ramdisk="/home/boris/lynx/initrd.img-2.6.32-16-server"
> vcpus = 2
> vif = [ 'bridge=eth0' ]
> disk = [ 'phy:/dev/sda8,xvda,w']
> extra="root=/dev/sda1 ro console=hvc0"
>

At a minimum this last line should be
extra="root=/dev/xvda1 ro console=hvc0"

sda is not a valid device name for a PV guest with a pvops kernel. There
may be other tailoring required within the guest as well.

Ian.

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