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=-3.7 required=3.0 tests=BAYES_00, 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 CEE4CC433E7 for ; Sat, 17 Oct 2020 18:02:19 +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 E384F2072D for ; Sat, 17 Oct 2020 18:02:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E384F2072D 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]:48376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kTqX3-0006tr-RP for qemu-devel@archiver.kernel.org; Sat, 17 Oct 2020 14:02:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41786) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kTqVw-0006RJ-Ds for qemu-devel@nongnu.org; Sat, 17 Oct 2020 14:01:08 -0400 Received: from indium.canonical.com ([91.189.90.7]:45938) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kTqVr-0004VD-EJ for qemu-devel@nongnu.org; Sat, 17 Oct 2020 14:01:08 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1kTqVn-0000r5-Tu for ; Sat, 17 Oct 2020 18:00:59 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 942C02E8079 for ; Sat, 17 Oct 2020 18:00:59 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sat, 17 Oct 2020 17:51:30 -0000 From: Artyom Tarasenko <1874504@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: sparc64 vfio X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: atar4qemu gh975223 X-Launchpad-Bug-Reporter: Graeme Brett Houston BSc (gh975223) X-Launchpad-Bug-Modifier: Artyom Tarasenko (atar4qemu) References: <158766417277.8728.12362820918014730192.malonedeb@gac.canonical.com> Message-Id: <160295709043.8105.11947952191280664104.malone@chaenomeles.canonical.com> Subject: [Bug 1874504] Re: VFIO passthrough spits out thousands of messages 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="58bb2f3096f16f0e0acc917602669aecb4ffaf54"; Instance="production" X-Launchpad-Hash: 3758b47d0348f91acdcedba519f3362839bd2715 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/17 14:01:00 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, 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 1874504 <1874504@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Is this a regression? Can you please bisect to the first commit where it happened? -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1874504 Title: VFIO passthrough spits out thousands of messages Status in QEMU: New Bug description: started qemu as: sudo qemu-system-sparc64 -device vfio-pci,host=3D0b:05.0,x-no-mmap=3Don,b= us=3DpciB messages received thousands of times: qemu-system-sparc64: -device vfio-pci,host=3D0b:05.0,x-no-mmap=3Don,bus= =3DpciB: iommu has granularity incompatible with target AS qemu-system-sparc64: -device vfio-pci,host=3D0b:05.0,x-no-mmap=3Don,bus= =3DpciB: iommu map to non memory area 4079c000 qemu version (think telling a lie as sure its 5.0) QEMU emulator version 4.2.92 Copyright (c) 2003-2020 Fabrice Bellard and the QEMU Project developers pci device being passed through: 0b:05.0 Display controller [0380]: 3DLabs Permedia II 2D+3D [3d3d:0009] (= rev 01) Subsystem: Tech-Source Permedia II 2D+3D [1227:0006] Flags: medium devsel, IRQ 11 Memory at 83000000 (32-bit, non-prefetchable) [disabled] [size=3D128K] Memory at 82800000 (32-bit, non-prefetchable) [disabled] [size=3D8M] Memory at 82000000 (32-bit, non-prefetchable) [disabled] [size=3D8M] Expansion ROM at 83020000 [disabled] [size=3D64K] Capabilities: Kernel driver in use: vfio-pci To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1874504/+subscriptions