USB 3.0 support in Proxmox 3.0? {2.6.32-20-pve}

Thought maybe it was my card, bought a new one today, StarTech PCI-e (2) port card. PEXUSB3S2

Code:
xhci_hcd 0000:08:00.0: new USB bus registered, assigned bus number 7
usb usb7: New USB device found, idVendor=1d6b, idProduct=0002
usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb7: Product: xHCI Host Controller
usb usb7: Manufacturer: Linux 2.6.32-20-pve xhci_hcd
usb usb7: SerialNumber: 0000:08:00.0
usb usb7: configuration #1 chosen from 1 choice
hub 7-0:1.0: USB hub found
xhci_hcd 0000:08:00.0: new USB bus registered, assigned bus number 8
usb usb8: config 1 interface 0 altsetting 0 endpoint 0x81 has no SuperSpeed companion descriptor
usb usb8: New USB device found, idVendor=1d6b, idProduct=0003
usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb8: Product: xHCI Host Controller
usb usb8: Manufacturer: Linux 2.6.32-20-pve xhci_hcd
usb usb8: SerialNumber: 0000:08:00.0
usb usb8: configuration #1 chosen from 1 choice
hub 8-0:1.0: USB hub found



Machine boots, no problem noted until you try to plug in the first device, any device.. in this case it was a USB 2.0 hub.

Code:
Jun 20 19:36:44 pmx4 kernel: usb 7-2: new high speed USB device number 2 using xhci_hcd
Jun 20 19:36:54 pmx4 kernel: xhci_hcd 0000:08:00.0: xHCI host not responding to stop endpoint command.
Jun 20 19:36:54 pmx4 kernel: xhci_hcd 0000:08:00.0: Assuming host is dying, halting host.
Jun 20 19:36:54 pmx4 kernel: xhci_hcd 0000:08:00.0: Non-responsive xHCI host is not halting.
Jun 20 19:36:54 pmx4 kernel: xhci_hcd 0000:08:00.0: Completing active URBs anyway.
Jun 20 19:36:54 pmx4 kernel: xhci_hcd 0000:08:00.0: HC died; cleaning up
Jun 20 19:36:54 pmx4 kernel: usb 7-2: device descriptor read/8, error -110
Jun 20 19:36:54 pmx4 kernel: usb 7-2: device descriptor read/8, error -108
Jun 20 19:36:54 pmx4 kernel: hub 7-0:1.0: cannot disable port 2 (err = -19)
Jun 20 19:36:59 pmx4 kernel: xhci_hcd 0000:08:00.0: Timeout while waiting for a slot
Jun 20 19:36:59 pmx4 kernel: hub 7-0:1.0: couldn't allocate port 2 usb_device
Jun 20 19:36:59 pmx4 kernel: hub 7-0:1.0: cannot disable port 2 (err = -19)

I tried moving the PCI-E card to another slot, no change.

So now that's (2) different PCI-E cards, two different slots..Any device I connect whether it's USB 2.0 or 3.0, hub or endpoint device.

What's missing?
 
More information:

Code:
root@pmx4:~# lspci -s 08:00.0 -v
08:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) (prog-if 30 [XHCI])
        Flags: bus master, fast devsel, latency 0, IRQ 30
        Memory at ff5fe000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: [50] Power Management version 3
        Capabilities: [70] MSI: Enable- Count=1/8 Maskable- 64bit+
        Capabilities: [90] MSI-X: Enable+ Count=8 Masked-
        Capabilities: [a0] Express Endpoint, MSI 00
        Kernel driver in use: xhci_hcd
 
On this thread ( http://forum.proxmox.com/threads/10884-USB-3-Compatibility-for-Proxmox-2-1 ) I tried to get several devices working under 2.x, and wasn't able to.

I'm looking for a list of supported devices for USB3 under Proxmox 3.0 {2.6.32-20-pve}

I looked under the kernel-headers, and there's no xhci, so I'm assuming I have to compile modules to get it to work?

any help would be appreciated.

I was the one who posted the thread for proxmox 2.1 with USB 3. I have since upgraded to Proxmox 3 and the card still works at USB 3 speeds.
From last night's backup:
Jun 21 02:37:59 INFO: transferred 344671 MB in 2274 seconds (151 MB/s)Jun 21 02:37:59 INFO: archive file size: 61.81GB