From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Peter Huang(Peng)" Subject: intel 82580 nic hang problem. Date: Tue, 2 Apr 2013 21:56:21 +0800 Message-ID: <515AE385.7040006@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: Majun , , Zhoukang To: Eric Dumazet Return-path: Received: from szxga01-in.huawei.com ([119.145.14.64]:31808 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760162Ab3DBN4u (ORCPT ); Tue, 2 Apr 2013 09:56:50 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Hi Eric Here I have a nic hang problem in our customer environment, from Intel's 82575 driver release notes, there was a similar problem, but only occurred with older linux 2.6 kernel ( we are using 3.0.13-0.27-xen kernel). We are using 82580 dual port NIC: #ethtool -i eth1 driver: igb version: 3.0.6-k2 firmware-version: 3.2-9 bus-info: 0000:02:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes Below is the error message (this msg will repeated over 8 hours): Mar 28 10:46:25 CNA001_0_010203 kernel: [ 4412.812078] igb 0000:02:00.1: eth1: Reset adapter Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816189] igb 0000:02:00.1: Detected Tx Unit Hang Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816191] Tx Queue <1> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816191] TDH <0> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816192] TDT <2> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816192] next_to_use <2> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816193] next_to_clean <0> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816193] buffer_info[next_to_clean] Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816194] time_stamp <1000fb54c> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816194] next_to_watch <0> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816195] jiffies <1000fb649> Mar 28 10:46:31 CNA001_0_010203 kernel: [ 4418.816196] desc.status <118000> Are you familiar with this problem, or could you give us any suggestion to move on? Thanks very much! Peter.Huang