From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id E87BB1B556 for ; Fri, 23 Nov 2018 17:25:37 +0100 (CET) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EA99AC1F6D; Fri, 23 Nov 2018 16:25:36 +0000 (UTC) Received: from [10.36.112.54] (ovpn-112-54.ams2.redhat.com [10.36.112.54]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BDFAA191BF; Fri, 23 Nov 2018 16:25:07 +0000 (UTC) To: Ilya Maximets , dev@dpdk.org, David Marchand Cc: Tiwei Bie , Zhihong Wang , Thomas Monjalon , Ferruh Yigit , Ian Stokes , Kevin Traynor , Bruce Richardson References: <20181123143620.10480-1-i.maximets@samsung.com> <20181123153920.12398-1-i.maximets@samsung.com> <4b4f7faf-fb21-74d6-f76e-105ba78ff59c@redhat.com> <69a9bf2c-7664-4e63-48a4-fe2f73ce3c86@samsung.com> From: Maxime Coquelin Message-ID: Date: Fri, 23 Nov 2018 17:25:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <69a9bf2c-7664-4e63-48a4-fe2f73ce3c86@samsung.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Fri, 23 Nov 2018 16:25:37 +0000 (UTC) Subject: Re: [dpdk-dev] [PATCH v3 0/2] IOPL related fixes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Nov 2018 16:25:38 -0000 On 11/23/18 4:53 PM, Ilya Maximets wrote: > On 23.11.2018 18:41, Maxime Coquelin wrote: >> Hi, >> >> On 11/23/18 4:39 PM, Ilya Maximets wrote: >>> Patches primary targeted to fix OVS unit test failures with >>> DPDK 18.11 due to following error: >>>      'IOPL call failed - cannot use virtio PMD'. >> >> You mention v18.11, do you mean this is a regression? > > Kind of. But not really a bug. It's just a message that shows up > every time you starting the app as a non-root user. > > The message itself was introduced long time ago, but it wasn't > printed for unclear reasons. It's probably some change in logging > subsystem uncovered it. > > I just checked and found that message appears starting from v18.02. > But OVS stuck with 17.11 LTS where this message exists, but not > printed for some reason. That's why this wasn't an issue previously. Thanks for the clarification. In that case, we may want it in v18.11 LTS, but I think it can wait or v18.11.1. Once in the next-virtio tree, I'll send it to stable@dpdk.org. Regards, Maxime > P.S. OVS tests just checks the output for error messages. > Tests themselves works fine. They are not actually using DPDK. > > Best regards, Ilya Maximets. > >> >>> >>> We can avoid test failures in OVS by filtering the output like this: >>>    https://patchwork.ozlabs.org/project/openvswitch/list/?series=77706 >>> but it still looks very inconvenient for me to have this >>> message in the output of every command for the DPDK linked app. >>> >>> Version 3: >>>      * Splitted in two patches.      [David Marchand] >>>      * Fixed typo in commit message. [David Marchand] >>> >>> Version 2: >>>      * Fixed possible fd leak on BSD. >>> >>> Ilya Maximets (2): >>>    eal/bsd: fix possible IOPL fd leak >>>    net/virtio: avoid annoying IOPL call related errors >>> >>>   drivers/net/virtio/virtio_ethdev.c | 11 ++++++----- >>>   lib/librte_eal/bsdapp/eal/eal.c    |  6 ++++-- >>>   2 files changed, 10 insertions(+), 7 deletions(-) >>> >> >>