On Wed, 24 Jul 2013, Laurent Bigonville wrote: > Le Tue, 23 Jul 2013 10:16:00 -0400 (EDT), > Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> a écrit : > > > On Tue, 23 Jul 2013, Laurent Bigonville wrote: > > > > > Hi, > > > > > > This is probably a minor issue, but when plugin the Fitbit base > > > station dongle, I'm getting some weird serial number in dmesg. > > > > > > Can something be done here? > > > > > > Kind regards > > > > > > Laurent Bigonville > > > > > > [ 9993.722197] usb 1-1.2: new full-speed USB device number 7 using > > > ehci-pci [ 9993.820617] usb 1-1.2: New USB device found, > > > idVendor=2687, idProduct=fb01 [ 9993.820622] usb 1-1.2: New USB > > > device strings: Mfr=1, Product=2, SerialNumber=3 [ 9993.820625] usb > > > 1-1.2: Product: Fitbit Base Station [ 9993.820627] usb 1-1.2: > > > Manufacturer: Fitbit Inc. [ 9993.820629] usb 1-1.2: SerialNumber: > > > \xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf\xffffffef\xffffffbf\xffffffbf\xffffffbf\xffffffbf > > > > It may be that, weird as this looks, it is actually correct. > > > > Can you post a usbmon trace showing what happens when the dongle is > > first plugged? Instructions are in the kernel source file > > Documentation/usb/usbmon.txt. > > I hope this is enough: Yes it is. Here is the important part: > ffff880170d62e00 3460787712 S Ci:7:009:0 s 80 06 0303 0409 00ff 255 < > ffff880170d62e00 3460788448 C Ci:7:009:0 0 34 = 2203ffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff This shows the Unicode characters of the serial-number string descriptor as sent by the device. They really are all 0xffff. The weird serial number in the dmesg output is correct -- it's the device that is faulty. Alan Stern -- 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