Rajul Kumar wrote:
ALSA sound/usb/usbaudio.c:354: frame 0 active: -75
-75 = -EOVERFLOW
which is followed by coninous loop of below messages :
ALSA sound/usb/usbaudio.c:354: frame 0 active: -71
-71 = -EPROTO
ALSA sound/usb/usbaudio.c:354: frame 0 active: -18
-18 = -EXDEV
Documentation/usb/error-codes.txt says: | -EOVERFLOW (*) The amount of data returned by the endpoint was | greater than either the max packet size of the | endpoint or the remaining buffer size. "Babble".
| -EPROTO (*, **) a) bitstuff error | b) no response packet received within the | prescribed bus turn-around time | c) unknown USB error
| -EXDEV ISO transfer only partially completed | look at individual frame status for details
| (*) Error codes like -EPROTO, -EILSEQ and -EOVERFLOW normally indicate | hardware problems such as bad devices (including firmware) or cables.
Regards, Clemens