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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 B7521C07E96 for ; Sun, 11 Jul 2021 04:27:56 +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 34D376124C for ; Sun, 11 Jul 2021 04:27:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 34D376124C 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]:35432 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m2R4N-0003Xw-5c for qemu-devel@archiver.kernel.org; Sun, 11 Jul 2021 00:27:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36242) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m2R38-0000hq-G4 for qemu-devel@nongnu.org; Sun, 11 Jul 2021 00:26:38 -0400 Received: from indium.canonical.com ([91.189.90.7]:35872) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1m2R36-0000ck-QS for qemu-devel@nongnu.org; Sun, 11 Jul 2021 00:26:38 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.93 #5 (Debian)) id 1m2R32-0006UN-S9 for ; Sun, 11 Jul 2021 04:26:33 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 813F72E835D for ; Sun, 11 Jul 2021 04:26:14 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sun, 11 Jul 2021 04:17:20 -0000 From: Launchpad Bug Tracker <1869006@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=Expired; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: arm passthrough tcg X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: alex-l-williamson costinel dgilbert-h hrw janitor kiler129 pmaydell th-huth X-Launchpad-Bug-Reporter: Marcin Juszkiewicz (hrw) X-Launchpad-Bug-Modifier: Launchpad Janitor (janitor) References: <158514404728.11288.8869885318197124821.malonedeb@soybean.canonical.com> Message-Id: <162597704078.19787.6162708291524740113.malone@loganberry.canonical.com> Subject: [Bug 1869006] Re: PCIe cards passthrough to TCG guest works on 2GB of guest memory but fails on 4GB (vfio_dma_map invalid arg) 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="1b66c075b8638845e61f40eb9036fabeaa01f591"; Instance="production" X-Launchpad-Hash: d9feb88397a8f68c9db56535193b51c1a2c3f2f1 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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 1869006 <1869006@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" [Expired for QEMU because there has been no activity for 60 days.] ** Changed in: qemu Status: Incomplete =3D> Expired -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1869006 Title: PCIe cards passthrough to TCG guest works on 2GB of guest memory but fails on 4GB (vfio_dma_map invalid arg) Status in QEMU: Expired Bug description: During one meeting coworker asked "did someone tried to passthrough PCIe card to other arch guest?" and I decided to check it. Plugged SATA and USB3 controllers into spare slots on mainboard and started playing. On 1GB VM instance it worked (both cold- and hot- plugged). On 4GB one it did not: B=C5=82=C4=85d podczas uruchamiania domeny: internal error: process exite= d while connecting to monitor: 2020-03-25T13:43:39.107524Z qemu-system-aarc= h64: -device vfio-pci,host=3D0000:29:00.0,id=3Dhostdev0,bus=3Dpci.3,addr=3D= 0x0: VFIO_MAP_DMA: -22 2020-03-25T13:43:39.107560Z qemu-system-aarch64: -device vfio-pci,host=3D= 0000:29:00.0,id=3Dhostdev0,bus=3Dpci.3,addr=3D0x0: vfio 0000:29:00.0: faile= d to setup container for group 28: memory listener initialization failed: R= egion mach-virt.ram: vfio_dma_map(0x563169753c80, 0x40000000, 0x100000000, = 0x7fb2a3e00000) =3D -22 (Invalid argument) Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 75, in cb_= wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 111, in tm= pcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", lin= e 66, in newfn ret =3D fn(self, *args, **kwargs) File "/usr/share/virt-manager/virtManager/object/domain.py", line 1279,= in startup self._backend.create() File "/usr/lib64/python3.8/site-packages/libvirt.py", line 1234, in cre= ate if ret =3D=3D -1: raise libvirtError ('virDomainCreate() failed', dom= =3Dself) libvirt.libvirtError: internal error: process exited while connecting to = monitor: 2020-03-25T13:43:39.107524Z qemu-system-aarch64: -device vfio-pci,= host=3D0000:29:00.0,id=3Dhostdev0,bus=3Dpci.3,addr=3D0x0: VFIO_MAP_DMA: -22 2020-03-25T13:43:39.107560Z qemu-system-aarch64: -device vfio-pci,host=3D= 0000:29:00.0,id=3Dhostdev0,bus=3Dpci.3,addr=3D0x0: vfio 0000:29:00.0: faile= d to setup container for group 28: memory listener initialization failed: R= egion mach-virt.ram: vfio_dma_map(0x563169753c80, 0x40000000, 0x100000000, = 0x7fb2a3e00000) =3D -22 (Invalid argument) = I played with memory and 3054 MB is maximum value possible to boot VM wit= h coldplugged host PCIe cards. 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