Shaohua, do you plan to update your battery hot-add patch here?: http://bugzilla.kernel.org/show_bug.cgi?id=2884 Alexey, as the battery maintainer, have you run into this problem on other systems? thanks, -Len - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html