On Sun, Mar 10, 2013 at 12:04:40PM -0700, Stephen Hemminger wrote: > My test kernel is screaming with xHCI messages into kernel log. > [ 76.117016] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 0 with no TDs queued? > > > This is using kernel based on net-next which is based on 3.9.0-rc1. Please send `sudo lspci -vvv -n` output as well. Do you have any USB devices that have auto-suspend turned on? I'm aware that the message above gets printed when a device auto-suspends, and it really shouldn't in that case. Sarah Sharp -- 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