Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA9B5C43381 for ; Wed, 20 Feb 2019 16:25:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A46622147A for ; Wed, 20 Feb 2019 16:25:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726389AbfBTQZK (ORCPT ); Wed, 20 Feb 2019 11:25:10 -0500 Received: from mx2.math.uh.edu ([129.7.128.33]:56864 "EHLO mx2.math.uh.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725796AbfBTQZK (ORCPT ); Wed, 20 Feb 2019 11:25:10 -0500 Received: from epithumia.math.uh.edu ([129.7.128.2]) by mx2.math.uh.edu with esmtp (Exim 4.91) (envelope-from ) id 1gwUgC-0004xq-KE; Wed, 20 Feb 2019 10:25:06 -0600 Received: by epithumia.math.uh.edu (Postfix, from userid 7225) id 88AEB801B44; Wed, 20 Feb 2019 10:25:04 -0600 (CST) From: Jason L Tibbitts III To: Trond Myklebust Cc: "bcodding\@redhat.com" , "Anna.Schumaker\@netapp.com" , "linux-nfs\@vger.kernel.org" , "Chuck.Lever\@oracle.com" Subject: Re: Need help debugging NFS issues new to 4.20 kernel References: <87ftt2cdeq.fsf@hippogriff.math.uh.edu> <87imxwab12.fsf@hippogriff.math.uh.edu> <662CE7B3-235E-4E2D-9C8C-0F6233F3085F@redhat.com> <87d0o3aadg.fsf@hippogriff.math.uh.edu> <2ab06cbdc19d7a642e04f1e66abbeaa507b034bc.camel@hammerspace.com> Date: Wed, 20 Feb 2019 10:25:04 -0600 In-Reply-To: <2ab06cbdc19d7a642e04f1e66abbeaa507b034bc.camel@hammerspace.com> (Trond Myklebust's message of "Wed, 20 Feb 2019 15:37:31 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org >>>>> "TM" == Trond Myklebust writes: TM> This is not an RPC layer issue. It is a SEQ_MISORDERED error on slot TM> 0. If the client can't recover then that will hang your NFSv4.1 TM> session against that server. TM> Are you sure this isn't what was happening previously? I'm sorry if I wasn't clear. I applied your patch and it doesn't seem to make any difference. The behavior appears to be exactly what was happening previously, though I posted the trace again just so that those who know more than me could verify that. So currently I'm falling back to the previous patch I was testing, which reverts c443305529d1d3d3bee0d68fdd14ae89835e091f on top of the stable stream. - J<