From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 70A332BB9 for ; Tue, 17 Jan 2017 18:36:27 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP; 17 Jan 2017 09:36:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,245,1477983600"; d="scan'208";a="31739932" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.38]) ([10.237.220.38]) by orsmga002.jf.intel.com with ESMTP; 17 Jan 2017 09:36:25 -0800 To: "Wu, Jingjing" , "Guo, Jia" , "Zhang, Helin" References: <1482460523-74460-1-git-send-email-jia.guo@intel.com> <1455295157-16299-1-git-send-email-jia.guo@intel.com> <3903bf28-b07a-04c8-0a0c-329f260bedbd@intel.com> <9BB6961774997848B5B42BEC655768F810CCB84E@SHSMSX103.ccr.corp.intel.com> Cc: "dev@dpdk.org" From: Ferruh Yigit Message-ID: <106f5442-fa37-d3a1-9cfa-5c70515e622e@intel.com> Date: Tue, 17 Jan 2017 17:36:24 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <9BB6961774997848B5B42BEC655768F810CCB84E@SHSMSX103.ccr.corp.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v2] doc: add known uio_pci_generic issue for i40e 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: Tue, 17 Jan 2017 17:36:27 -0000 On 1/17/2017 5:00 PM, Wu, Jingjing wrote: > > >> -----Original Message----- >> From: Yigit, Ferruh >> Sent: Tuesday, January 17, 2017 4:31 AM >> To: Guo, Jia ; Zhang, Helin ; Wu, >> Jingjing >> Cc: dev@dpdk.org >> Subject: Re: [dpdk-dev] [PATCH v2] doc: add known uio_pci_generic issue >> for i40e >> >> On 2/12/2016 4:39 PM, Jeff Guo wrote: >>> From: "Guo, Jia" >>> >>> When bind with uio_pci_generic in X710/XL710/XXV710, the result is >>> failed. uio_pci_generic is not supported by X710/XL710/XXV710. >> >> Hi Jeff, >> >> There is a Linux commit causing the issue, right. Commit done because of the >> reasons mentioned in "Description". Do you think does it make sense to note >> that Linux commit, and Linux kernel version that has been introduced? >> > Hi, Ferruh > At beginning, we found this issue in latest kernel version, such as kernel 4.7.9 on fedora24. > But later, we observed that this issue also exist on REL7.3. It won't work custom kernels, but upstream kernel version. If you think that will be confusion, that is OK. What do you think just adding Linux kernel commit information, can it be useful? > So, it may be a little difficult to us to figure out exactly which kernel version > doesn't support. And the root cause is the HW's errata which makes uio_pci_generic > cannot be used on XL710 series NICs. > > Thanks > Jingjing >