From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
Subject: Re: IXGBE, IOMMU DMAR DRHD handling fault issue
Date: Mon, 21 Jan 2019 13:39:08 +0000
Message-ID: <d1c871a6-d735-e16b-b3ed-ab82a938caf9@intel.com>
References: <CAFb4SLA9dJ846c6Eb3fsV4F7NjUm-Nx_e6iUfOXnPE9KDu4_FA@mail.gmail.com>
 <b667dba1-c390-44b9-bc3b-521fa7f5becf@intel.com>
 <CAFb4SLAOTDnz0bK=9D-dLQJ+x6rVOqMH5zDaP_nAoEXLUByWRQ@mail.gmail.com>
 <c7b7ddec-5a0d-6851-92dd-381b85455c82@intel.com>
 <CAFb4SLAyxYm+iD6wYQBw1fPfnMT7JcjGsR6H+kb7SBYJcFWDKQ@mail.gmail.com>
 <d0682205-c335-14c4-0b0f-8ebbf58bb9f7@intel.com>
 <CAFb4SLB5P5KZ3QxKy6i00yQpSJRQqOE1cwAq0ejnj1raHyWc2Q@mail.gmail.com>
 <4a54fe58-02d8-07ef-b706-f747383f4985@intel.com>
 <CAFb4SLCBCdmAQPCQWjUm53k6Q82eO0uRN6x9JkeSzqdF0rcRUg@mail.gmail.com>
 <3b6d6cfc-7e2e-70ee-e059-aa31dc23c93b@intel.com>
 <CAFb4SLCwMfRUC4pbOqWAAyE9CW44QwNmLjViOoG6ZcciOVGZfA@mail.gmail.com>
 <CAFb4SLDUd1bjyTRD_ewj8voUE26BLDRYkGJqyfoLApgOW2Z1wg@mail.gmail.com>
 <1ab980ce-16a5-4bf4-e673-b706e3126474@intel.com>
 <88A92D351643BA4CB23E303155170626635418D0@SHSMSX103.ccr.corp.intel.com>
 <d93cb032-afb7-fc28-9ad7-b372fcf566cf@intel.com>
 <88A92D351643BA4CB23E30315517062663547499@SHSMSX103.ccr.corp.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Cc: "dev@dpdk.org" <dev@dpdk.org>,
 "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
 "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Hu, Xuekun" <xuekun.hu@intel.com>, Ravi Kerur <rkerur@gmail.com>,
 Thomas Monjalon <thomas@monjalon.net>
Return-path: <dev-bounces@dpdk.org>
Received: from mga01.intel.com (mga01.intel.com [192.55.52.88])
 by dpdk.org (Postfix) with ESMTP id 5CEE25B2C
 for <dev@dpdk.org>; Mon, 21 Jan 2019 14:39:12 +0100 (CET)
In-Reply-To: <88A92D351643BA4CB23E30315517062663547499@SHSMSX103.ccr.corp.intel.com>
Content-Language: en-US
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On 21-Jan-19 1:18 PM, Hu, Xuekun wrote:
> 
>> You might also want to look here: https://bugs.dpdk.org/show_bug.cgi?id=76
> 
>> There are apparently issues with some kernel versions that will manifest themselves as problems with using VF devices with IOMMU in a VM.
> 
> Thanks, Anatoly. By updating host kernel to 4.18, the issue is gone. 😊
> 

@Thomas, does this look like something we should add to known issues? 
This question has been asked a few times already.

-- 
Thanks,
Anatoly