Forwarding to libvir-list ...
Rich.
----- Forwarded message from Daniel Janzon <daniel.janzon@xxxxxxxxxxx> -----
Subject: Re: [virt-tools-list] Lilo succeeds with kvm but not virt-manager
Date: Mon, 07 Jun 2010 10:56:29 +0200
From: Daniel Janzon <>
To: virt-tools-list
On 06/05/2010 06:00 PM, virt-tools-list-request@xxxxxxxxxx wrote:
> Message: 1
> Date: Fri, 4 Jun 2010 17:55:17 +0100
> From: "Richard W.M. Jones"<rjones@xxxxxxxxxx>
> To: Daniel Janzon<daniel.janzon@xxxxxxxxxxx>
> Cc: virt-tools-list@xxxxxxxxxx
> Subject: Re: [virt-tools-list] Lilo bootloader succeeds with kvm but
> not virt-manager
> Message-ID:<20100604165517.GA4612@xxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset=us-ascii
>
> On Fri, Jun 04, 2010 at 02:03:12PM +0200, Daniel Janzon wrote:
>
>> I installed Linux Suse as a guest in virt-manager/KVM and had trouble to
>> install grub. So I used good old Lilo instead. When running Suse in
>> virt-manager Lilo fails with
>>
>> LILO - Keytable read/checksum error on bootup
>>
>> When I go
>>
>> kvm -m 512 -hda SLES-10.3.img
>>
> libvirt won't have such a simple command line. There could be other
> KVM options which affect things at boot.
>
> I have a couple of suggestions:
>
> (1) Find out the full libvirt command line. Easiest is to start the
> domain under virt-manager and quickly use the 'ps ax' command. (There
> is a more "official" way to convert libvirt XML into a qemu command
> line but I cannot recall what that is at the moment).
>
Smart! I did that and found out that it is the boot=on drive option that
is the cause of the problem:
-drive file=/root/SLES-10.3.img,if=ide,index=0,boot=on
For some reason it only works when it is set to boot=off. I tried
<boot>off</boot> and boot="off" in the target tag in the corresponding
disk tag in the XML file, but with no luck. I also tried to remove the
<boot dev='hd'/> from the os tag. I did do a "/etc/init.d/libvirt-bin
reload" just in case. Is there any way to get control the boot option from
the XML file?
> (2) Use virt-rescue or guestfish and see if you can install grub in
> the domain. In guestfish it'd be something like this:
>
> guestfish -i GuestName
> ><fs> mkdir-p /boot/grub
> ><fs> grub-install /boot /dev/sda1
>
> (You might need to change those command slightly and read the man page
> for virt-rescue, guestfish and/or grub-install).
>
Ok, thanks for the tip. I will consider it if it impossible to control the
boot option as explained above. Or maybe I'll just settle with being
annoyed and start the machine from the command line :)
All the best,
Daniel Janzon
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----- End forwarded message -----
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
bindings from many languages. http://et.redhat.com/~rjones/libguestfs/
See what it can do: http://et.redhat.com/~rjones/libguestfs/recipes.html
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