On Wed, 20 Jun 2012, Austin Schuh wrote: > [ 433.276972] usb 1-4: usbdev_do_ioctl: SUBMITURB > [ 433.276979] usb 1-4: userurb 00007f8888b02090, ep2 bulk-out, length 12 > [ 433.276982] data: 0c 00 00 00 01 00 16 91 25 00 00 00 > ........%... > [ 433.277051] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10021 > > $ cat 0000\:00\:1a.7/async > qh/ffff88055a83b180 dev4 hs ep2 42002204 40000000 (00008c00 data0 nak4) > ffff880037801240 out len=0 00008c00 urb ffff8805709bef00 Have you made any more progress on tracking this down? Alan Stern -- 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