From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org ([198.145.29.96]:48698 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031777AbeCAQLP (ORCPT ); Thu, 1 Mar 2018 11:11:15 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 01 Mar 2018 21:41:14 +0530 From: poza@codeaurora.org To: jeffrey.t.kirsher@intel.com, intel-wired-lan@lists.osuosl.rg, netdev@vger.kernel.org Cc: okaya@codeaurora.org Subject: SRIOV on Intel x710 fail to get attached both at VM creation time and VM runtime Message-ID: <39dcd27f99192edd77baf4e418443edd@codeaurora.org> Sender: netdev-owner@vger.kernel.org List-ID: Hi All, I am facing the following issue on kernel 4.14.14. Enable SRIOV on Intel x710 card. echo 32 > /sys/class/net/eth1/device/sriov_numvfs start net_pool virsh net-start intel_pool case 1) attach the VF while creatig VM: virt-install --accelerate --import --disk /home/disk.img --network network=intel_pool --boot uefi --name poza-guest --os-type linux --os-variant rhel7 --ram 8000 --vcpus 4 case 2) create VM: virt-install --accelerate --import --disk /home/disk.img --boot uefi --name poza-guest --os-type linux --os-variant rhel7 --ram 8000 --vcpus 4 attach it: virsh attach-interface --domain oza-guest --type network --source intel_pool --target eth1 kernel logs: [44287.825287] i40evf 0000:01:02.0: Unable to send opcode 2 to PF, err I40E_ERR_QUEUE_EMPTY, aq_err OK [44287.962640] i40e 0000:01:00.0: VF 0 still in reset. Try again. error: Failed to attach interface error: Cannot set interface MAC/vlanid to 52:54:00:e9:f1:b5/0 for ifname eth1 vf 0: Resource temporarily unavailable The same use case works with following card with the same kernel version and rootfs. Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx] for details logs please have a look at https://bugzilla.kernel.org/show_bug.cgi?id=198959 Regards, Oza.