[openstack-dev] Instance with access to GPU, libvirt and hostdev
ijw.ubuntu at cack.org.uk
Fri Apr 12 22:39:10 UTC 2013
On 10 April 2013 02:44, Guillaume Thouvenin <guillaume.thouvenin at bull.net>wrote:
> On 10/04/2013 11:32, Daniel P. Berrange wrote:
> Oh, well that is LXC, rather than KVM so you have pretty
>> much zero security in anything.
> Yes sure. In my mind the idea was to start one container for one physical
> machine. So the solution is more comparable to bare metal provisioning than
> hypervisors based solution. But when IOMMU is not available maybe it can be
There's two things here.
Firstly, it's increasingly rare to find new server hardware missing IOMMUs,
so you may be solving a problem that most people don't have. That's up to
Secondly, have you passed intel_iommu=on to your kernel (or whatever the
right flag is)? I know the Ubuntu kernel, at least, needs the extra boot
parameter to enable it.
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