> You'll have to collect a bunch of additional information. I'd like to > see the entry in /sys/kernel/debug/usb/devices that describes the sound > card, and the contents of the files under > /sys/kernel/debug/usb/ehci/0000:00:1a.0/. /sys/kernel/debug/usb/devices: - http://paste.ubuntu.com/9573759/ /sys/kernel/debug/usb/ehci/0000:00:1a.0/* - http://paste.ubuntu.com/9573789/ > I'd also like to see the dmesg log for when you try the test program, http://paste.ubuntu.com/9573956/ > and a usbmon trace as well. This will require CONFIG_DEBUG_FS, http://paste.ubuntu.com/9573950/ ran a few different things. > Can you do all this under a 3.18 or 3.17 kernel? did it with 3.18.1-gentoo Please excuse the ubuntu pastebins as it is my favorite one. ;) Thanks! -phunyguy -- 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