Re: [libvirt] kvm-qemu emulator problem
Hi,
the libvirt XML configuration file is having the emulator set and if you
start the guest using libvirt (e.g. using virsh start <guest>) then it's
being used.
You can find the path to the emulator used for the VM in
//domain/devices/emulator xPath query applied on the XML file, i.e.:
<domain type='kvm'>
...
<os>
<type arch='i686' machine='pc-0.14'>hvm</type>
<boot dev='hd'/>
</os>
<devices>
<emulator>/usr/bin/qemu-kvm</emulator>
...
</devices>
</domain>
Here, the "/usr/bin/qemu-kvm" is the emulator string to be spawned. If
you change into any other existing location it will work fine. Also, for
x86_64 guest you should change the architecture type of OS from i686 to
x86_64 (which is the "//domain/os/type/@arch" node).
But beware, you should define the XML first and start it using the
"virsh start" command since if you create it using "virsh create"
then
it's being created with default emulator and I don't know whether it's
possible to change the default emulator.
Hope this helps!
Michal
On 01/05/2012 10:14 AM, Pankaj Rawat wrote:
Hi all ,
I am trying to use fvd for my guest machine for that I refer the link
http://sites.google.com/site/tangchq/qemu-fvd
now all works fine except the last step which said that if libvirt is
used then the xml configuration file need to be changed to include the
modified emulator *qemu-system-x86_64*
The default path is /usr/libexec/qemu-kvm
But the change in xml configuration file is of no use which is in
*/etc/libvirt/qemu* directory. Since it is created when the guest is
created using virt-install.
Well I don’t know how I can change the default path for emulator, so
that qemu-system-x86_64 act as a default emulator
can anyone help ?
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Michal Novotny <minovotn(a)redhat.com>, RHCE, Red Hat
Virtualization | libvirt-php bindings | php-virt-control.org