On Fri, 25 Oct 2013, Prasad Koya wrote: > Resending in plain-text. > > On Thu, Oct 24, 2013 at 11:06 PM, Prasad Koya <prasad.koya@xxxxxxxxx> wrote: > > Hi > > > > I tried with even unmounting the USB before forcing panic and I see same > > time out while getting device descriptor. A better test would be to unbind usb-storage from the device beforehand. Anyway, if the device doesn't allow itself to be reset properly then the device is buggy. You can test this easily enough by forcing a device reset by hand; see http://marc.info/?l=linux-usb&m=126028634531290&w=2 > > From debugs, I see that the portstatus is 0x501 to start with ie, > > (high-speed attached, power-on, device is attached). After reset I see > > wPortStatus and wPortChange bits as expected. However, get descriptor > > timesout with status as -ENOENT. If I ignore this error and set > > bMaxPacketSize0 to 64, it gets through the initialization but i see > > usb-storage driver doing a reset much later. > > > > Pl see the debugs: You have added so many new debugging messages, I can't tell what they mean. 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
