Hello xinglp, This was already fixed a while ago: http://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=4ace8a43ac2cbbd4d6f5c29fc461c3caa8f8545b (and some followup cleanups) Martin -- Martin Pitt | http://www.piware.de Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org) -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html