Open bug in Launchpad.net: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1686828 "dmesg: [ 418.501019] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 6 with no TDs queued? [ 418.509810] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 6 with no TDs queued? [ 418.516116] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 6 with no TDs queued?"
On Thu, Apr 27, 2017 at 08:27:08PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=195599 > > Bug ID: 195599 > Summary: xhci_hcd 0000:00:14.0: WARN Event TRB for slot 4 ep 6 > with no TDs queued? All USB bugs should be sent to the linux-usb@vger.kernel.org mailing list, and not entered into bugzilla. Please bring this issue up there, if it is still a problem in the latest kernel release.