From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: net-next: 2.6.34-rc1 regression: panic when running diagnostic on interface with IPv6 Date: Mon, 05 Apr 2010 16:53:17 -0700 (PDT) Message-ID: <20100405.165317.89399272.davem@davemloft.net> References: <20100405.161221.159637463.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, netdev@vger.kernel.org To: emil.s.tantilov@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:44658 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756975Ab0DEXxP (ORCPT ); Mon, 5 Apr 2010 19:53:15 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: "Tantilov, Emil S" Date: Mon, 5 Apr 2010 17:50:38 -0600 > David Miller wrote: >> From: "Tantilov, Emil S" >> Date: Mon, 5 Apr 2010 17:03:56 -0600 >> >>> David Miller wrote: >>>> From: "Tantilov, Emil S" >>>> Date: Tue, 23 Mar 2010 12:28:08 -0600 >>>> >>>>> Bisecting points to this patch: >>>>> http://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git;a=commitdiff;h=84e8b803f1e16f3a2b8b80f80a63fa2f2f8a9be6 >>>>> >>>>> And I confirmed that the issue goes away after reverting it. >>>>> >>>>> Steps to reproduce: >>>>> 1. Load the driver and configure IPv6 address. >>>>> 2. Run ethtool diag: >>>>> ethtool -t eth0 >>>>> >>>>> 3. If this doesn't brake it try again, or just do ifdown/up. Other >>>>> operations on the interface will eventually panic the system: >>>> >>>> Stephen please fix this, thanks. >>> >>> Just FYI - I still see this issue with latest pull from net-2.6. >> >> It's net-next-2.6 that introduced the problem and has the follow-on >> fixes, not net-2.6 > > Same in net-next: Ok, Stephen please look into this, we've had this regression for almost two weeks now.