On Thu, Jul 25, 2013 at 10:06:16AM +0800, Yingchun Li wrote: > Ok, but the linux-cdc-acm.inf is provieded by us, so I think there should > be something I can learn. A .inf file should not crash the kernel, if so, something is really wrong with their operating system :) good luck, greg k-h -- 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