Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755198AbbBLHQ0 (ORCPT ); Thu, 12 Feb 2015 02:16:26 -0500 Received: from mail.linux-iscsi.org ([67.23.28.174]:57641 "EHLO linux-iscsi.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751617AbbBLHQY (ORCPT ); Thu, 12 Feb 2015 02:16:24 -0500 Message-ID: <1423725382.8354.34.camel@haakon3.risingtidesystems.com> Subject: Re: General protection fault in iscsi_rx_thread_pre_handler From: "Nicholas A. Bellinger" To: Gavin Guo Cc: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-kernel Date: Wed, 11 Feb 2015 23:16:22 -0800 In-Reply-To: References: <1421920228.7061.48.camel@haakon3.risingtidesystems.com> <1421948107.30821.2.camel@haakon3.risingtidesystems.com> <1422658406.5117.31.camel@haakon3.risingtidesystems.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2617 Lines: 75 Hi Gavin, On Tue, 2015-02-03 at 08:28 +0800, Gavin Guo wrote: > Hi Nicholas, > > On Sun, Feb 1, 2015 at 11:47 AM, Gavin Guo wrote: > > Hi Nicholas, > > > > On Sat, Jan 31, 2015 at 6:53 AM, Nicholas A. Bellinger > > wrote: > >> On Fri, 2015-01-23 at 09:30 +0800, Gavin Guo wrote: > >>> Hi Nicholas, > >>> > >>> On Fri, Jan 23, 2015 at 1:35 AM, Nicholas A. Bellinger > >>> wrote: > >>> > On Thu, 2015-01-22 at 23:56 +0800, Gavin Guo wrote: > >>> >> Hi Nicolas, > >>> >> > >>> >> On Thu, Jan 22, 2015 at 5:50 PM, Nicholas A. Bellinger > >>> >> > At the time, a different set of iser-target related changes ended up > >>> >> > avoiding this issue on his particular setup, so we thought it was likely > >>> >> > a race triggered by login failures specific to iser-target code. > >>> >> > > >>> >> > There was a untested patch (included inline below) to drop the legacy > >>> >> > active_ts_list usage all-together, but IIRC he was not able to reproduce > >>> >> > further so the patch didn't get picked up for mainline. > >>> >> > > >>> >> > If your able to reliability reproduce, please try with the following > >>> >> > patch and let us know your progress. > >>> >> > >>> >> Thanks for your time reading the mail. I'll let you know the result. > >>> > > >>> > Just curious, are you able to reliability reproduce this bug in a VM..? > >>> > >>> Thanks for your caring, the machine is on the customer side, I've > >>> asked and now waiting for their response. > >> > >> Hi Gavin, > >> > >> Just curious if there has been any update on this yet..? > >> > >> --nab > >> > > > > Really thanks for your attention. I'm also currently waiting for the > > customer's reply and will send the email again to ask for the result. > > However, I think the symptom may be hard to replicate that's why the > > customer didn't reply me for a long time. Thanks for your time again. > > > > Thanks, > > Gavin > > Sorry for making you wait so long. I just got the response from the > customer, they said the general protection fault happened just 2 times > in the past and cannot be reliably reproduced. And I am now waiting > for the verification test. > Just a heads up that I'm planning to include this patch in the v3.20-rc1 PULL request. Please let me know if you have any objections. Thank you, --nab -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/