Hi, my RDF-8 card reader does not establish a super-speed connection when connected to an U3S6 USB3.0 port. It only manages high-speed: [ 0.894119] xhci_hcd 0000:05:00.0: xHCI Host Controller [ 0.894126] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 8 [ 0.894300] xhci_hcd 0000:05:00.0: irq 48 for MSI/MSI-X [ 0.894306] xhci_hcd 0000:05:00.0: irq 49 for MSI/MSI-X [ 0.894312] xhci_hcd 0000:05:00.0: irq 50 for MSI/MSI-X [ 0.894317] xhci_hcd 0000:05:00.0: irq 51 for MSI/MSI-X [ 0.894322] xhci_hcd 0000:05:00.0: irq 52 for MSI/MSI-X [ 0.894440] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.894443] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.894445] usb usb8: Product: xHCI Host Controller [ 0.894447] usb usb8: Manufacturer: Linux 3.13.0-27-generic xhci_hcd [ 0.894449] usb usb8: SerialNumber: 0000:05:00.0 [ 0.894534] hub 8-0:1.0: USB hub found [ 0.894546] hub 8-0:1.0: 2 ports detected [ 0.894626] xhci_hcd 0000:05:00.0: xHCI Host Controller [ 0.894630] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 9 [ 0.897657] usb usb9: New USB device found, idVendor=1d6b, idProduct=0003 [ 0.897659] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.897661] usb usb9: Product: xHCI Host Controller [ 0.897663] usb usb9: Manufacturer: Linux 3.13.0-27-generic xhci_hcd [ 0.897665] usb usb9: SerialNumber: 0000:05:00.0 [ 0.897750] hub 9-0:1.0: USB hub found [ 0.897764] hub 9-0:1.0: 2 ports detected [..] [ 1.920042] usb 8-2: new high-speed USB device number 2 using xhci_hcd [..] [ 1.941372] usb 8-2: New USB device found, idVendor=8564, idProduct=4000 [ 1.941375] usb 8-2: New USB device strings: Mfr=3, Product=4, SerialNumber=5 [ 1.941377] usb 8-2: Product: Transcend [ 1.941379] usb 8-2: Manufacturer: TS-RDF8 [ 1.941381] usb 8-2: SerialNumber: 000000080 The NEC/Renesas USB controller chip on the U3S6 card was upgraded to F303408.MEM firmware. The RDF-8 reader reports TS-22 firmware. 05:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03) I'm running a ubuntu trusty kernel 3.13.0-27-generic #50-Ubuntu SMP Thu May 15 18:06:16 UTC 2014 lspci && lsusb && lsusb -v && usb-devices: https://gist.github.com/anonymous/b73bc03ee5f7c1b33aaf So much for my cunning plan to easily get USB3 up and running on my aging linux machine by just plugging in some pci card :-) Any pointers? Regard, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html