On Sat, Jul 6, 2013 at 9:57 AM, Clemens Ladisch <clemens@xxxxxxxxxx> wrote: > Alan Stern wrote: >> The first half is audio-out only. About 2 seconds after the start, the >> audio-in stream starts up. After 2 URBs (2 ms) of data, everything >> is shut down for no apparent reason -- there were no I/O errors. >> [...] >> I can't tell whether all these starts and stops are caused by JACK or >> by the ALSA layer, let alone figure out the reason for them. > > Two URBs is the Jack buffer size, isn't it? Does Jack complain? > > James, pleasy try running aplay and arecord at the same time; something > like this: > > aplay -D hw:x -t raw -c 4 -f S32_LE -r 44100 --period-size=128 --buffer-size=256 /dev/zero & > arecord -D hw:x -c 2 -f S32_LE -r 44100 --period-size=128 --buffer-size=256 test.wav > Yes - this works fine, without issue. -- 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
