[libvirt] [PATCH] kvm 32bit guest on 64bit host

Daniel P. Berrange berrange at redhat.com
Tue Jun 3 10:12:29 UTC 2008


On Tue, Jun 03, 2008 at 12:06:58PM +0200, Gerd v. Egidy wrote:
> Hi Dan,
> 
> > > Thanks for looking at my patch. I understand that KVM does not offer a
> > > i686 host cpu but allows x86_64 and i686 guests.
> > >
> > > The reason for my patch was that I could not create i686 guests on a
> > > x86_64 host with KVM, the only option offered was using qemu.
> >
> > Yes you can - just select the x86_64 option. It is refering to the *CPU*
> > architecture that is virtualized, *not* the OS architecture. You can select
> > x86_64 CPU and then install a i386 operating system just fine.
> 
> I'm using virt-manager to create a new vm. Virt-manager asks me "CPU 
> architecture" and "Hypervisor". When I select i686 as CPU arch I can not 
> select KVM as hypervisor, only qemu is offered.
> 
> If I understand you correctly, I should select x86_64 and KVM, even if I want 
> to run a 32 bit OS, right?

Yes.

Dan.
-- 
|: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
|: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|




More information about the libvir-list mailing list