From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 42636] PCI passthrough does not work with AMD iommu for PCI device Date: Mon, 23 Jan 2012 14:56:56 GMT Message-ID: <201201231456.q0NEuuWJ029988@bugzilla.kernel.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" To: kvm@vger.kernel.org Return-path: Received: from bugzilla.kernel.org ([198.145.19.204]:36164 "EHLO bugzilla.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753152Ab2AWO44 (ORCPT ); Mon, 23 Jan 2012 09:56:56 -0500 Received: from bugzilla.kernel.org (localhost [127.0.0.1]) by bugzilla.kernel.org (8.14.5/8.14.5) with ESMTP id q0NEuuH6029989 for ; Mon, 23 Jan 2012 14:56:56 GMT In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=42636 Alex Williamson changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |alex.williamson@redhat.com --- Comment #1 from Alex Williamson 2012-01-23 14:56:55 --- +-14.4-[05]--+-06.0 Intel Corporation 82557/8/9/0/1 Ethernet Pro100 | \-07.0 RaLink RT2800 802.11n PCI [ 0.610382] AMD-Vi: DEV_SELECT devid: 00:14.4 flags:00 [ 0.610384] AMD-Vi: DEV_ALIAS_RANGE devid: 05:00.0 flags:00 devid_to: 00:14.4 [ 0.610385] AMD-Vi: DEV_RANGE_END devid: 05:1f.7 The devices are behind a PCIe-to-PCI bridge (00:14.4), so both devices get aliased to the same devices. You'll need to either add both devices to the guest or sequester the other device by binding it to pci-stub. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.