[CentOS-virt] USB 3.0 in qemu-kvm-0.12
rnicholsNOSPAM at comcast.net
Wed Mar 30 14:13:35 UTC 2016
On 03/30/2016 04:49 AM, Sven Kieske wrote:
> On 29/03/16 22:03, Robert Nichols wrote:
>> I suspect I know the answer here, but is qemu-kvm-0.12 simply incapable
>> of passing a USB 3.0 device to a guest? USB 2 devices work fine, but
>> USB 3 -- nothing. USB 3.0 works fine in the host, of course.
>> Currently using qemu-kvm-0.12.1.2-2.479.el6_7.4.x86_64 in CentOS 6.7.
>> I'm guessing I have to upgrade to CentOS 7 to pass USB 3.0 devices
>> to the guest. Hoping to avoid that just now.
> A quick search for "rhel usb 3 support kvm" leads to this article:
> "USB 3.0 support enabled in KVM as Technology Preview."
> also, reading the release notes of upstream might help:
> if you CTRL+F "usb 3" you can read:
> USB 3.0 host adapter (xHCI) emulation for KVM guests remains a
> Technology Preview in Red Hat Enterprise Linux 7.2.
> so it is available but not fully supported.
Thanks for the info. I hadn't gotten to the point of looking into what
the support was/wasn't for USB 3 virtualization in RHEL 7. Looks like
I can delay my upgrade at least until RHEL 7.3 appears.
Bob Nichols "NOSPAM" is really part of my email address.
Do NOT delete it.
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