On Tue, 6 Dec 2016, PrasannaKumar Muralidharan wrote: > > The issue did not appear for a day with 4.9-rc5. Will check for a > > couple more days and get back. > > I have been running 4.9-rc5 for quite some time. Did not observe the > crash so far but some times my USB port stops recognising the device. > After rebooting the system the USB port starts working. > > No OOPS or message related to this appeared in dmesg output. Is there > a way to collect more info? You can turn on dynamic debugging for USB: echo 'module usbcore =p' >/sys/kernel/debug/dynamic_debug/control 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
