this is what I get from a buggy kernel [ actually playing the same song from what it's worth :) ]
uname -r 3.8.0-20-generic (but compiled with CONFIG_USB_DEBUG) /sys/kernel/debug/usb/ehci/0000:00:1d.0/periodic size = 1024 0: qh2-0e01/f6bb3a80 (f5 ep3in [1/3] q1 p32) 1: qh256-0001/f6aa4580 (h2 ep1in [1/0] q1 p2) 2: qh2-0e01/f6bb3a80 4: qh2-0e01/f6bb3a80 6: qh2-0e01/f6bb3a80 8: qh2-0e01/f6bb3a80 10: qh2-0e01/f6bb3a80 12: qh2-0e01/f6bb3a80 14: qh2-0e01/f6bb3a80 16: qh2-0e01/f6bb3a80 18: qh2-0e01/f6bb3a80 20: qh2-0e01/f6bb3a80 22: qh2-0e01/f6bb3a80 24: qh2-0e01/f6bb3a80 26: qh2-0e01/f6bb3a80 28: qh2-0e01/f6bb3a80 30: qh2-0e01/f6bb3a80 32: qh2-0e01/f6bb3a80 34: qh2-0e01/f6bb3a80 36: qh2-0e01/f6bb3a80 38: qh2-0e01/f6bb3a80 40: qh2-0e01/f6bb3a80 42: qh2-0e01/f6bb3a80 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1136110 Title: USB Audio Codec choppy playback To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1136110/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs