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[209.132.180.67]) by mx.google.com with ESMTP id n11-v6si18849327plg.344.2018.08.15.13.09.10; Wed, 15 Aug 2018 13:09:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727837AbeHOXBw convert rfc822-to-8bit (ORCPT + 99 others); Wed, 15 Aug 2018 19:01:52 -0400 Received: from mga18.intel.com ([134.134.136.126]:7751 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726062AbeHOXBw (ORCPT ); Wed, 15 Aug 2018 19:01:52 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Aug 2018 13:08:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,244,1531810800"; d="scan'208";a="80569015" Received: from orsmsx105.amr.corp.intel.com ([10.22.225.132]) by fmsmga004.fm.intel.com with ESMTP; 15 Aug 2018 13:08:15 -0700 Received: from orsmsx157.amr.corp.intel.com (10.22.240.23) by ORSMSX105.amr.corp.intel.com (10.22.225.132) with Microsoft SMTP Server (TLS) id 14.3.319.2; Wed, 15 Aug 2018 13:08:15 -0700 Received: from orsmsx102.amr.corp.intel.com ([169.254.3.148]) by ORSMSX157.amr.corp.intel.com ([169.254.9.29]) with mapi id 14.03.0319.002; Wed, 15 Aug 2018 13:08:14 -0700 From: "Wyborny, Carolyn" To: Maik Broemme , netdev CC: linux-kernel Subject: RE: [BUG] Kernel Oops and crash using i40e VF devices Thread-Topic: [BUG] Kernel Oops and crash using i40e VF devices Thread-Index: AQHUNKSMop7YvxzFokecKdGtfjy7faTBFmHg Date: Wed, 15 Aug 2018 20:08:14 +0000 Message-ID: <9BBC4E0CF881AA4299206E2E1412B6267C5EA4D6@ORSMSX102.amr.corp.intel.com> References: <20180815142346.GC2354@libmpq.org> In-Reply-To: <20180815142346.GC2354@libmpq.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiZTViZDM0NjQtNTZjMi00YTg1LWE0ZTgtNTU2YjA5YTljZjNmIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoibCt4TjBVUVJ1Slh3b1pGdGxnS1wveXVRRWFBbGFud1lnaEJjVW0xdjdaNHZkN3Q5UHpIN0poMFwvVGtITlVqRUJ4In0= x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.200.100 dlp-reaction: no-action x-originating-ip: [10.22.254.138] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: netdev-owner@vger.kernel.org [mailto:netdev- > owner@vger.kernel.org] On Behalf Of Maik Broemme > Sent: Wednesday, August 15, 2018 7:24 AM > To: netdev > Cc: linux-kernel > Subject: [BUG] Kernel Oops and crash using i40e VF devices > > Hi, > > I have a SuperMicro X11SPM-F mainboard with two Intel X722 devices > which > support up to 32 VF devices per PF device. They are running with i40e > driver. Whenever I try to use the VF devices in Xen VMs, the host kernel > got an Oops or crash. In all cases the PF running on the host > immediately loses network connection. I can reproduce this always > running the following: > We have some known issues around this problem. I'll need some more info to debug it. How is the device configured? What drivers are loaded on all ports? Can you send an ethtool -i output as well as an ethtool output? I also need an lspci -vv for the entire system. Do you have any virtualization configured in your setup? If so, what exactly and how are the ethernet devices configured in that? Thanks, Carolyn Carolyn Wyborny Linux Development Networking Division Intel Corporation