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 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 5B5A3C47247 for ; Wed, 6 May 2020 03:06:16 +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 229ED206E6 for ; Wed, 6 May 2020 03:06:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 229ED206E6 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]:52214 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jWANz-00039a-8k for qemu-devel@archiver.kernel.org; Tue, 05 May 2020 23:06:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58094) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jWANN-0002jl-Cj for qemu-devel@nongnu.org; Tue, 05 May 2020 23:05:37 -0400 Received: from indium.canonical.com ([91.189.90.7]:45676) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jWANM-0007Wl-21 for qemu-devel@nongnu.org; Tue, 05 May 2020 23:05:37 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1jWANK-0000Bg-6G for ; Wed, 06 May 2020 03:05:34 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 2CF4C2E80E7 for ; Wed, 6 May 2020 03:05:34 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 06 May 2020 02:56:36 -0000 From: xuan <1877015@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-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: xavier-ding X-Launchpad-Bug-Reporter: xuan (xavier-ding) X-Launchpad-Bug-Modifier: xuan (xavier-ding) References: <158873300816.14142.15664636500998863138.malonedeb@gac.canonical.com> Message-Id: <158873379700.13253.13216768981471973072.launchpad@gac.canonical.com> Subject: [Bug 1877015] Re: virtio only support packed ring size power of 2 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="fbdff7602bd10fb883bf7e2ddcc7fd5a16f60398"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: 88111d4d020ae5a8e4c4a41c16adb45d7f361b56 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 = 2020/05/05 22:50:31 X-ACL-Warn: Detected OS = Linux 3.11 and newer 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=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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 1877015 <1877015@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ** Summary changed: - virtio only support packed ring size power of 2 between 256 and 1024 + virtio only support packed ring size power of 2 -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1877015 Title: virtio only support packed ring size power of 2 Status in QEMU: New Bug description: Issue discription=EF=BC=9A When QEMU starts with "-device virtio-net-pci,netdev=3Dnetdev0,mac=3D52:5= 4:00:00:00:01,disable-modern=3Dfalse,mrg_rxbuf=3Don,rx_queue_size=3D1025,tx= _queue_size=3D1025,mq=3Don,vectors=3D15,packed=3Don" It raises error: Invalid rx_queue_size (=3D 1025), must be a power of 2 between 256 and 1024 Analysis: According to virtio1.1 spec, the packed queue size value does not have to= be a power of 2. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1877015/+subscriptions