From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joyce Yu - System Software Subject: What could be the cause of reboot hang on iptables script with niu driver interface up in RHL6.0 systems Date: Wed, 11 May 2011 11:40:36 -0700 Message-ID: <4DCAD824.7010000@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:25856 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752077Ab1EKSkj (ORCPT ); Wed, 11 May 2011 14:40:39 -0400 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by rcsinet10.oracle.com (Switch-3.4.2/Switch-3.4.2) with ESMTP id p4BIeba6010938 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 11 May 2011 18:40:38 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id p4BIeaYm026711 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 11 May 2011 18:40:36 GMT Received: from abhmt007.oracle.com (abhmt007.oracle.com [141.146.116.16]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id p4BIeV2f017195 for ; Wed, 11 May 2011 13:40:31 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Hi, Some of my Redhat 6.0 systems always have reboot hang problem on iptables script with niu driver interface up. After adding some debug stuff, I can see the system alway hang on " modprobe -r xt_state". What could be the cause of it? Does niu driver need to handle some calls/ioctls that currently not implemented in the niu driver? Thanks, Joyce