qemu KVM: can't boot a qemu machine with liveCD (system rescue)

Hi,

there is no special forum/mailinglist existing for qemu-KVM, right?

My problem is: I can't boot a qemu machine with liveCD (system rescue)

I inserted

<os>
<type arch='x86_64' machine='pc-0.12'>hvm</type>
<boot dev='cdrom'/>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>

into xml-File but the appearing menu at boot time:


Press F12 for boot menu. (I pressed F12)

Select boot device:
1. Legacy option rom
2. Legacy option rom (indeed, same line two times)
3. CD-ROM [ata1-0: QEMU DVD-ROM ATAPI-4 CD-Rom/DVD-Rom]
4. virtio-net.zrom 5.4.4. (GPL) ether

But 3. is NOT booting from CD! 1. and 2. not either. But grub is booting with 3.
CD-ROM is ignored. Why?

Using sr0 instead of cdrom results in:

root@squeeze64:~# virsh start suse111
error: failed to get domain 'suse111'
error: Domain not found: no domain with matching name 'suse111'

BTW: I did /etc/init.d/libvirt-bin stop -> start before, of course.

Mount of /dev/sr0 or /dev/cdrom to /mnt works, the CD is present
and is readable.

How can I boot a qemu machine with liveCD (system rescue)?
Why? -> because of kernel panic

Please help!

Are there other possibilities to boot a qemu-KVM machine by a liveCD?

thx
Ekkard


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