From patchwork Fri Dec 23 02:35:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guo, Jia" X-Patchwork-Id: 18464 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 37DAE10DD3; Fri, 23 Dec 2016 03:32:08 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 28BA010D9F for ; Fri, 23 Dec 2016 03:32:06 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP; 22 Dec 2016 18:32:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,391,1477983600"; d="scan'208";a="21914711" Received: from dpdk3.sh.intel.com ([10.239.129.207]) by orsmga002.jf.intel.com with ESMTP; 22 Dec 2016 18:32:03 -0800 From: Jeff Guo To: helin.zhang@intel.com, jingjing.wu@intel.com Cc: dev@dpdk.org, jia.guo@intel.com Date: Thu, 22 Dec 2016 21:35:23 -0500 Message-Id: <1482460523-74460-1-git-send-email-jia.guo@intel.com> X-Mailer: git-send-email 1.9.3 Subject: [dpdk-dev] [PATCH] doc: add known issue for uio_pci_generic in XL710 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" When bind with uio_pci_generic in XL710, the result is failed. uio_pci_generic is not supported by XL710. Signed-off-by: Jeff Guo Acked-by: Jingjing Wu --- doc/guides/rel_notes/known_issues.rst | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes/known_issues.rst index 3cd4237..3abcb64 100644 --- a/doc/guides/rel_notes/known_issues.rst +++ b/doc/guides/rel_notes/known_issues.rst @@ -640,3 +640,25 @@ I40e VF may not receive packets in the promiscuous mode **Driver/Module**: Poll Mode Driver (PMD). + + +uio_pci_generic bind failed in XL710 +------------------------------------------------------- + +**Description**: + uio_pci_generic is not supported by XL710, since the errata of XL710 that the feature + about the Interrupt Status bit is not implemented.The errata is the item #71 from the + `xl710 controller spec `_. + +**Implication**: + When bind uio_pci_generic, the uio_pci_generic probe device and check the Interrupt + Status bit related feature of NICs , since it is not supported by XL710 so it return failed. + +**Resolution/Workaround**: + Do not bind to use uio_pci_generic in XL710 NICs. + +**Affected Environment/Platform**: + All. + +**Driver/Module**: + Poll Mode Driver (PMD).