From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753187Ab2LQVGi (ORCPT ); Mon, 17 Dec 2012 16:06:38 -0500 Received: from mail-vc0-f174.google.com ([209.85.220.174]:61617 "EHLO mail-vc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751582Ab2LQVGh (ORCPT ); Mon, 17 Dec 2012 16:06:37 -0500 From: "Justin Piszcz" To: "'devendra.aaru'" , "'Tantilov, Emil S'" Cc: , References: <004101cddadb$b890e910$29b2bb30$@lucidpixels.com> In-Reply-To: Subject: RE: 3.6.10: Intel: ixgbe 0000:01:00.0 eth4: Detected Tx Unit Hang Date: Mon, 17 Dec 2012 16:06:33 -0500 Message-ID: <018101cddc9a$65611d30$30235790$@lucidpixels.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQK8ra1auCvTpRS8/Na67XxLP9cuvAG+e5r5ljHlSRA= Content-Language: en-us Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org -----Original Message----- From: devendra.aaru [mailto:devendra.aaru@gmail.com] Sent: Monday, December 17, 2012 1:39 PM To: Justin Piszcz Cc: linux-kernel@vger.kernel.org; netdev@vger.kernel.org Subject: Re: 3.6.10: Intel: ixgbe 0000:01:00.0 eth4: Detected Tx Unit Hang Ccing netdev On Sat, Dec 15, 2012 at 10:49 AM, Justin Piszcz wrote: > Hello, > > Kernel 3.6.10, first time I have seen this that I can remember (on 10GbE) > anyway, is this a known issue with 3.6.10? > > When the link went down is when I rebooted/etc the remote host attached on > the other end. > I've not changed anything physically with the hardware and have been on > 3.6.0-3.6.9 and noticed this when I moved to 3.6.10. -- > I don't believe we have seen Tx hangs in validation. If you could narrow down the conditions that lead to the Tx hang that would help a lot. Also > the output of ethtool -S eth4 after the Tx hang occurs can be useful to get an idea of the load on the interface. > Thanks, > Emil -- In this case I only have two servers that mount each other's NFS volumes and that were idle at the time, I rebooted one of the systems and that is when I saw this, if I can get something to repeat/pattern and/or the ethtool output I will update this thread, thank you. Justin.