nick83ola wrote: > I have an old edirol UA-20 that not work with advanced driver, or perhaps I > see it, i can send midi in and out from it but audio don't work. > ... > damnick@damnick-nb:~$ dmesg|tail > [ 1287.914930] cannot submit datapipe for urb 0, error -90: internal error This is a bug in the USB audio driver; it uses packets that are too big for the device (the code for the AUDIO_FIXED_ENDPOINT quirk doesn't look at wMaxPacketSize). I'll need to change the driver. Best regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel