On Sat, Jan 19, 2013 at 02:24:33PM +0100, Richard Genoud wrote: > 2013/1/18 Oliver Neukum <oneukum@xxxxxxx>: > > The question is, what goes wrong, if indeed the device is SS. > > > > In this particular case a usbmon trace is likely not as useful as usually. > > Could you compile a kernel with DEBUG for USB and XHCI enabled? > > Here is the kern.log with usb debug and xhci debug. > I booted my computer, > Then I plugged the device at "Jan 19 14:12:09" > Then I unplugged it at "Jan 19 14:13:03" > (Since it's quite big, I attached it instead of inlining the whole file) Your log file shows that a USB 2.0 hub enumerates: Jan 19 14:09:26 rico kernel: [ 1.050890] usb 1-1: udev 2, busnum 1, minor = 1 Jan 19 14:09:26 rico kernel: [ 1.050895] usb 1-1: New USB device found, idVendor=2109, idProduct=0811 Jan 19 14:09:26 rico kernel: [ 1.050900] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0 Jan 19 14:09:26 rico kernel: [ 1.050904] usb 1-1: Product: USB2.0 Hub Jan 19 14:09:26 rico kernel: [ 1.051202] usb 1-1: usb_probe_device And then the storage device enumerates under that hub: Jan 19 14:12:13 rico kernel: [ 185.401984] usb 1-1.4: udev 3, busnum 1, minor = 2 Jan 19 14:12:13 rico kernel: [ 185.401989] usb 1-1.4: New USB device found, idVendor=152d, idProduct=2509 Jan 19 14:12:13 rico kernel: [ 185.401994] usb 1-1.4: New USB device strings: Mfr=10, Product=11, SerialNumber=3 Jan 19 14:12:13 rico kernel: [ 185.401999] usb 1-1.4: Product: Usb production Jan 19 14:12:13 rico kernel: [ 185.402002] usb 1-1.4: Manufacturer: Jmicron Corp. Jan 19 14:12:13 rico kernel: [ 185.402006] usb 1-1.4: SerialNumber: 00A123456789 It looks like only the USB 2.0 hub part of a VIA USB 3.0 hub enumerated. The USB 3.0 portion didn't enumerate. Did you have a USB 3.0 cable connected to the hub? Did you plug in the hub power supply? What happens when you plug the USB 3.0 storage device directly into your computer's roothub port, without the USB 3.0 hub in between? Sarah Sharp -- 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
