From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bandan Das Subject: Re: PCI passthrough of 40G ethernet interface (Openstack/KVM) Date: Thu, 12 Mar 2015 15:07:16 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain Cc: QEMU Developers , kvm-devel , Alex Williamson To: jacob jacob Return-path: Received: from mx1.redhat.com ([209.132.183.28]:51118 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751630AbbCLTHW (ORCPT ); Thu, 12 Mar 2015 15:07:22 -0400 In-Reply-To: (jacob jacob's message of "Thu, 12 Mar 2015 12:17:40 -0400") Sender: kvm-owner@vger.kernel.org List-ID: jacob jacob writes: > Hi, > > Seeing failures when trying to do PCI passthrough of Intel XL710 40G > interface to KVM vm. > 0a:00.1 Ethernet controller: Intel Corporation Ethernet > Controller XL710 for 40GbE QSFP+ (rev 01) You are assigning the PF right ? Does assigning VFs work or it's the same behavior ? > From dmesg on host: > >> [80326.559674] kvm: zapping shadow pages for mmio generation wraparound >> [80327.271191] kvm [175994]: vcpu0 unhandled rdmsr: 0x1c9 >> [80327.271689] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a6 >> [80327.272201] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a7 >> [80327.272681] kvm [175994]: vcpu0 unhandled rdmsr: 0x3f6 >> [80327.376186] kvm [175994]: vcpu0 unhandled rdmsr: 0x606 These are harmless and are related to unimplemented PMU msrs, not VFIO. Bandan From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58465) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YW8S7-0005p9-Av for qemu-devel@nongnu.org; Thu, 12 Mar 2015 15:07:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YW8S1-0005kn-VF for qemu-devel@nongnu.org; Thu, 12 Mar 2015 15:07:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46031) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YW8S1-0005jt-O1 for qemu-devel@nongnu.org; Thu, 12 Mar 2015 15:07:21 -0400 From: Bandan Das References: Date: Thu, 12 Mar 2015 15:07:16 -0400 In-Reply-To: (jacob jacob's message of "Thu, 12 Mar 2015 12:17:40 -0400") Message-ID: MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] PCI passthrough of 40G ethernet interface (Openstack/KVM) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: jacob jacob Cc: Alex Williamson , QEMU Developers , kvm-devel jacob jacob writes: > Hi, > > Seeing failures when trying to do PCI passthrough of Intel XL710 40G > interface to KVM vm. > 0a:00.1 Ethernet controller: Intel Corporation Ethernet > Controller XL710 for 40GbE QSFP+ (rev 01) You are assigning the PF right ? Does assigning VFs work or it's the same behavior ? > From dmesg on host: > >> [80326.559674] kvm: zapping shadow pages for mmio generation wraparound >> [80327.271191] kvm [175994]: vcpu0 unhandled rdmsr: 0x1c9 >> [80327.271689] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a6 >> [80327.272201] kvm [175994]: vcpu0 unhandled rdmsr: 0x1a7 >> [80327.272681] kvm [175994]: vcpu0 unhandled rdmsr: 0x3f6 >> [80327.376186] kvm [175994]: vcpu0 unhandled rdmsr: 0x606 These are harmless and are related to unimplemented PMU msrs, not VFIO. Bandan