vichy wrote: > I try to do webcam audio capture on my arm platform. > when I execute audio capture I got below message > "retire_capture_urb: 108 callbacks suppressed" This means that the retire_capture_urb() function printed lots of messages, and that 108 of them were thrown away because they were identical. You have to look at the previous line to get the actual message. > 2. from usb mon log, it seems HW keep Active status high even until > ehci_io_watchdog happen, because the ep status is -EXDEV. How are you trying to capture data? Regards, Clemens -- 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
