From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E27EC43331 for ; Thu, 7 Nov 2019 18:03:27 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 49DB82178F for ; Thu, 7 Nov 2019 18:03:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49DB82178F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46756 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iSm7x-0004aQ-N5 for qemu-devel@archiver.kernel.org; Thu, 07 Nov 2019 13:03:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:57052) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iSm5n-00031B-5u for qemu-devel@nongnu.org; Thu, 07 Nov 2019 13:01:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iSm5e-0005mu-IM for qemu-devel@nongnu.org; Thu, 07 Nov 2019 13:01:07 -0500 Received: from indium.canonical.com ([91.189.90.7]:59050) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iSm5e-0005lQ-AI for qemu-devel@nongnu.org; Thu, 07 Nov 2019 13:01:02 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1iSm5c-0002Hw-UL for ; Thu, 07 Nov 2019 18:01:00 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id E23D42E80C0 for ; Thu, 7 Nov 2019 18:01:00 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Thu, 07 Nov 2019 17:45:50 -0000 From: IndrasenaReddy Gali <1851664@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Incomplete; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: alex-l-williamson gisena th-huth X-Launchpad-Bug-Reporter: IndrasenaReddy Gali (gisena) X-Launchpad-Bug-Modifier: IndrasenaReddy Gali (gisena) References: <157313838504.19702.7205622932379991141.malonedeb@wampee.canonical.com> Message-Id: <157314875078.3211.9859713905485218990.malone@gac.canonical.com> Subject: [Bug 1851664] Re: qemu-system-x86_64: "VFIO_MAP_DMA : -28" error when we attache 6 VF's to guest machine X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="469f241f4e73cc0bdffa4e30654052a2af068e06"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: d21e1e8136e9ec738b9155d7d1fe197615f2387b X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 91.189.90.7 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1851664 <1851664@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" qemu-system-x86_64 -name guest=3Dfedora24 -machine q35,accel=3Dkvm,kernel-i= rqchip=3Dsplit \ -enable-kvm \ -m 4G \ -smp 8,sockets=3D1,cores=3D8,threads=3D1 \ -device intel-iommu,intremap=3Don,caching-mode=3Don,aw-bits=3D48 \ -drive file=3D,format=3Draw \ -device ioh3420,id=3Dpcie.1,chassis=3D1 \ -device virtio-net-pci,bus=3Dpcie.1,disable-legacy=3Don,disable-mod= ern=3Doff,iommu_platform=3Don,ats=3Don,netdev=3Dnet0 \ -netdev user,id=3Dnet0,hostfwd=3Dtcp::1111-:22\ -device vfio-pci,host=3D3f:02.1 \ -device vfio-pci,host=3D3f:02.2 \ -device vfio-pci,host=3D3f:02.3 \ -device vfio-pci,host=3D3f:02.4 \ -device vfio-pci,host=3D3d:02.4 \ -device vfio-pci,host=3D3d:02.5 \ -device vfio-pci,host=3D3d:02.6 \ -nographic -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1851664 Title: qemu-system-x86_64: "VFIO_MAP_DMA : -28" error when we attache 6 VF's to guest machine Status in QEMU: Incomplete Bug description: We are trying to attach 6 VF's to the guest machine on 4.1.1 qemu emulato= r. We are observing "VFIO_MAP_DMA : -28" error. We are using w-bits=3D48 bits while lunching VM. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1851664/+subscriptions