kenni at kelu.dk
Sat Feb 12 21:48:44 EST 2011
2011/2/13 MargoAndTodd <margoandtodd at gmail.com>:
> On 02/12/2011 05:30 PM, Kenni Lund wrote:
>> 2011/2/13 MargoAndTodd<margoandtodd at gmail.com>:
>>> Eventually, I am going to remove Virtual Box from my and all
>>> my customer's machines in favor of KVM. So the Harmony may
>>> be short lived if KVM does not also support USB as well
>>> as Virtual Box 4.0.x.
>> KVM only supports emulated USB 1.1 at the moment, all USB devices
>> requiring USB 2.0 doesn't work (which includes all iPhones and newer
>> iPods AFAIK). qemu-kvm 0.14 which will be out soon, has received some
>> USB 2.0 patches, but still no initial 2.0 support. Don't expect
>> emulated USB 2.0 support in KVM in CentOS anytime soon.
>> If you have a host with VT-d support, you can try to passthrough one
>> of the USB controllers on your motherboard to a guest - or to add a
>> PCI/PCIe USB card to the host and dedicate it to a guest. I haven't
>> had any luck with ~4-5 different USB controllers/cards, so don't put
>> your expectations too high.
>> Best regards
> Thank you for the heads up!
Btw, I haven't tested PCI passthrough of USB controllers with VT-d on
SL6/CentOS6. Given that the upstream documentation actually uses an
onboard Intel USB controller as an example, it seems like there's a
good chance that it will actually work in CentOS 6 if you've got the
More information about the CentOS-virt