From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 491172BB1; Wed, 20 Dec 2017 07:09:22 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2017 22:09:21 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,430,1508828400"; d="scan'208";a="14125948" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by fmsmga004.fm.intel.com with ESMTP; 19 Dec 2017 22:09:21 -0800 Received: from shsmsx152.ccr.corp.intel.com (10.239.6.52) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.319.2; Tue, 19 Dec 2017 22:09:21 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX152.ccr.corp.intel.com ([169.254.6.93]) with mapi id 14.03.0319.002; Wed, 20 Dec 2017 14:09:19 +0800 From: "Zhang, Helin" To: "Dai, Wei" , "Lu, Wenzhuo" , "dev@dpdk.org" CC: "Lu, Wenzhuo" , "stable@dpdk.org" Thread-Topic: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang Thread-Index: AQHTYbDM7xX2bhcLhEKVCvJpWhpA56Mfm1/wgCxS1QA= Date: Wed, 20 Dec 2017 06:09:18 +0000 Message-ID: References: <1511149065-15646-1-git-send-email-wenzhuo.lu@intel.com> <49759EB36A64CF4892C1AFEC9231E8D6515653D6@PGSMSX112.gar.corp.intel.com> In-Reply-To: <49759EB36A64CF4892C1AFEC9231E8D6515653D6@PGSMSX112.gar.corp.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang 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: Wed, 20 Dec 2017 06:09:23 -0000 > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Dai, Wei > Sent: Wednesday, November 22, 2017 9:18 AM > To: Lu, Wenzhuo; dev@dpdk.org > Cc: Lu, Wenzhuo; stable@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang >=20 >=20 >=20 > > -----Original Message----- > > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wenzhuo Lu > > Sent: Monday, November 20, 2017 11:38 AM > > To: dev@dpdk.org > > Cc: Lu, Wenzhuo ; stable@dpdk.org > > Subject: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang > > > > The datasheet says, if using MSI-X mode, the PBA support bit of the > > GPIE register must be set to 1. > > DPDK uses polling mode, we cannot hit this issue in the scenario DPDK > > PF + DPDK VF. If we use DPDK PF + kernel VF, as the kernel driver uses > > interrpt mode, VF may hit RX hang after running hours. > > > > Fixes: 00e30184daa0 ("ixgbe: add PF support") > > Cc: stable@dpdk.org > > > > Signed-off-by: Wenzhuo Lu > Acked-by: Wei Dai Applied to next-net-intel, thanks! /Helin