On 05/19/2014 08:46 AM, lin du wrote: > Add linux-usb in loop. > > Hello, > > When reload the xhci_hcd.ko continuously as following, we will see > many error messages, even HW hang! (almost < 300 times; > if no sleep between rmmod and modprobe driver, the value should be smaller). > Hi And thanks for this info I'm Interested in those error messages you got. I'd like to know what the underlying real problem is that gets fixed by adding a delay. Can you send the error messages you get with a new kernel (3.14 or the 3.15-rc2 you mentioned output) -Mathias -- 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