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Re: [libvirt] Upgrade-problems from qemu-0.14.1 + libvirt-0.8.4 to qemu-0.15.1 + libvirt-0.9.6: Why I think multifunction=on is a bad idea...



On 11/17/2011 04:54 AM, Philipp Hahn wrote:
> Hello Eric,
> 
> Am Dienstag 15 November 2011 22:33:20 schrieb Eric Blake:
>> Is there a way to select which ROM image qemu uses from the qemu command
>> line?
> 
> The file names are explicitly added to the qemu command-line:
>   <qemu:commandline>
>     <qemu:arg value='-option-rom'/>
>     <qemu:arg value='/usr/share/kvm/pxe-virtio.bin'/>
>   </qemu:commandline>

So we definitely need to expose this in the XML; we already have
os/bios, so perhaps this would be the best location:

<domain ...>
  <os>
    <bios useserial='yes'>
      <rom>/usr/share/kvm/pxe-virtio.bin</rom>
    </bios>
  </os>
...

and if /bios/rom[0] is not present, then we have to figure out how to
provide a sane default.  Does qemu provide a -help option that says what
option-rom it will use if -option-rom was not provided on the command line?

Are you interested in working on patches on this front?

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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