[libvirt-users] Libvirt

[Ivo Hora]

Dear all, it seems like the solution would be to swich to another driver
and to use qemu? In such a case,is it necessary to replace KVM with Xen or
anything else?
Could you please recommend me standard way of creating virtual machines in
CentOS? I was following CentOS 6 documentation and KVM with Qemu was still
included.
Seems like I have to use Xen,but I abandoned Xen due to the reason it was
necessary to install kernel 3.10 but suprisingly support for Intel VX
virtualization dissappeared in 3.10 (vmx flag) only some hypervisor was
present,but I need to run WindowsXP.Is there any way to get back this
feature back to 3.10?
I am a newbie in virtualization.
On Jun 23, 2015 3:50 PM, "Daniel P. Berrange" <berrange at redhat.com> wrote:

> On Tue, Jun 23, 2015 at 03:41:45PM +0200, Michal Privoznik wrote:
> > On 23.06.2015 14:16, Ivo Hora wrote:
> > > Dear Sir,
> > >
> > > I am facing the same problem you were discussing here:
> > >
> https://www.redhat.com/archives/libvirt-users/2015-January/msg00070.html
> > >
> > > I am getting this error:
> > > Starting install...
> > > ERROR    internal error: unable to execute QEMU command 'qom-list': The
> > > command qom-list has not been found
> > > Domain installation does not appear to have been successful.
> > > If it was, you can restart your domain by running:
> > >   virsh --connect qemu:///system start myguest
> > > otherwise, please restart your installation.
> > > [root at server-topcon horai]#
> > >
> > > my virtual machine creation script is:
> > > #OS="--os-variant=winxp --disk
> > > path=/var/lib/libvirt/mages/Windows.iso,device=cdrom"
> > > OS="--os-variant=winxp --disk
> > > path=/var/lib/libvirt/images/virtio-win-0.1.96.iso"
> > > Net="--network model=virtio,bridge=virbr0"
> > > Disk="--disk
> > > /var/lib/libvirt/images/Name.qcow2,sparse=false,bus=virtio,size=8"
> > > Src="--cdrom=/var/lib/libvirt/images/Windows.iso"
> > >
> > > #Gr="--graphics none"
> > > Gr="--graphics vnc"
> > > Cpu="--vcpus=1"
> > > Ram="--ram=768"
> > > Name="myguest"
> > > virt-install $OS $Net $Disk $Src $Gr $Cpu $Ram --name=$Name
> > >
> > >
> > > I would kindly like to ask you whether you found a solution for this
> > > problem or whether you could help me fixing it.
> >
> > This is likely a result of commit d94b78177 (v1.2.0). I'm not sure if
> > there are any attempts to make libvirt work with ancient qemus (pre 1.1
> > - the qom_list command was added in b4b12c62). So the only option I can
> > think of right now is to update qemu.
>
> We should not be depending on qom-list existing unless the feature being
> used only exists in a QEMU which has qom-list. In general we expect to
> be able to work with any historical QEMU, so if we've regressed in that
> regard we must fix it.
>
>
> Regards,
> Daniel
> --
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> :|
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>
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