On Mon, Jan 30, 2012 at 3:16 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > It could be a hardware problem in the OHCI host controller. Ross, can > you run a kernel with CONFIG_USB_DEBUG enabled? Then when the hang > occurs, go into /sys/kernel/debug/usb/ohci/0000:00:02.0 and post copies > of the files in there. I've compiled 3.2.2-vanilla with CONFIG_USB_DEBUG=y and booted it. However, I don't see anything under /sys/kernel/debug. What am I missing? Ross -- 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