On Wed, Jan 23, 2013 at 01:14:09PM -0500, Robert Dvoracek wrote: > 02:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host > Controller (rev 04) > Subsystem: Intel Corporation Device 4953 > > On Wed, Jan 23, 2013 at 12:28 AM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Jan 23, 2013 at 12:19:41AM -0500, Robert Dvoracek wrote: > >> It shows up in lspci as NEC Corporation uPD720200 USB 3.0 Host > >> Controller (rev 04). I'm not exactly sure how to go about recompiling > >> a x86_64 kernel on Knoppix. It's based on Debian and the nice Debian > >> manual isn't making sense to me right now. Gotta get some sleep > >> > >> Thank you, > >> Robert > >> > >> On Tue, Jan 22, 2013 at 11:09 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > >> > On Tue, Jan 22, 2013 at 11:17:22PM +0000, Robert Dvoracek wrote: > >> >> Is there any more that can be done? Let me know if you need more information. > >> > > >> > Can you enable CONFIG_USB_DEBUG and plug your device in and send us the > >> > kernel log output? > >> > > >> > It really didn't look like you had a USB 3 controller at all on this > >> > machine, do you see it if you do 'lspci'? > >> > > >> > thanks, > >> > > >> > greg k-h > > > >> knoppix@Microknoppix:~$ lspci | grep -i usb > lspci.txt > >> 00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 (rev 06) > >> 00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 (rev 06) > >> 02:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) > > > > What is the output of: > > lspci -k -s 02:00.0 > > > > on your system? > > > > thanks, > > > > greg k-h > knoppix@Microknoppix:~/Downloads$ lspci -k -s 02:00.0 > 02:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) > Subsystem: Intel Corporation Device 4953 That shows you really don't have the xhci-hcd driver loaded for this device. If you have built your own kernel, please make sure you are building it. If you are using a distro kernel, what distro and version is this? thanks, greg k-h -- 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