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 2DFD7C433ED for ; Sat, 17 Apr 2021 07:51:51 +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 2F2B3611CC for ; Sat, 17 Apr 2021 07:51:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F2B3611CC 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]:40338 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lXfk5-0001Gs-0z for qemu-devel@archiver.kernel.org; Sat, 17 Apr 2021 03:51:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lXfjH-0000rw-5p for qemu-devel@nongnu.org; Sat, 17 Apr 2021 03:50:59 -0400 Received: from indium.canonical.com ([91.189.90.7]:47424) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lXfjD-0003xC-AX for qemu-devel@nongnu.org; Sat, 17 Apr 2021 03:50:58 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1lXfjA-000775-OC for ; Sat, 17 Apr 2021 07:50:52 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id B56872E8161 for ; Sat, 17 Apr 2021 07:50:52 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sat, 17 Apr 2021 07:40:25 -0000 From: Vladislav Yaroshchuk <1922102@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: macos net network tap tap-net X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: shchukovl X-Launchpad-Bug-Reporter: Vladislav Yaroshchuk (shchukovl) X-Launchpad-Bug-Modifier: Vladislav Yaroshchuk (shchukovl) References: <161720333927.2408.17717907169331715630.malonedeb@chaenomeles.canonical.com> Message-Id: <161864522592.26424.18042645132978918884.launchpad@gac.canonical.com> Subject: [Bug 1922102] Re: Broken tap networking on macOS host 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="26785e5a6adccabf68a42300ea7053912615013e"; Instance="production" X-Launchpad-Hash: 5a48d6b1dfbb88398655655c7c5f43db66505d94 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com 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, 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 1922102 <1922102@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" ** Description changed: Building QEMU with GLib newer than 2.58.3 corrupts tap networking on macO= S hosts. Tap device was provided by Tun/Tap kernel extension installed from brew: =C2=A0=C2=A0brew install tuntap = Checked revisions: =C2=A0=C2=A0553032d (v5.2.0) =C2=A0=C2=A06d40ce0 (v6.0.0-rc1) = Host: =C2=A0MacBook Pro (Retina, 15-inch, Mid 2015) =C2=A0macOS Catalina 10.15.6 (19G2021) = Guest: =C2=A0=C2=A0Linux Ubuntu 4.4.0-206-generic x86_64 =C2=A0=C2=A0Also tested macOS Catalina 10.15.7 as a guest, the behaviour = is the same. = QEMU command line: = qemu-system-x86_64 \ =C2=A0=C2=A0-drive file=3Dhdd.qcow2,if=3Dvirtio,format=3Dqcow2 \ =C2=A0=C2=A0-m 3G \ =C2=A0=C2=A0-nic tap,script=3Dtap-up.sh = tap-up.sh: = =C2=A0#!/bin/sh = =C2=A0TAPDEV=3D"$1" =C2=A0BRIDGEDEV=3D"bridge0" = =C2=A0ifconfig "$BRIDGEDEV" addm "$TAPDEV" = Enabling/disabling Hypervisor.Framework acceleration (`-accel hvf`) has no effect. = How to reproduce: - =C2=A0=C2=A01. Build & install GLib > 2.58.3 (tested 2.60.7, 2.60.7) + =C2=A0=C2=A01. Build & install GLib > 2.58.3 (tested 2.60.7) =C2=A0=C2=A02. Build qemu-system-x86_64 with GLib > 2.58.3 - =C2=A0=C2=A03. Boot any guest any guest with tap networking enabled + =C2=A0=C2=A03. Boot any guest with tap networking enabled =C2=A0=C2=A04. See that the external network is inaccessible = Hotfix: =C2=A0=C2=A01. Build & install GLib 2.58.3 =C2=A0=C2=A02. Build qemu-system-x86_64 with GLib 2.58.3 =C2=A0=C2=A03. Boot any guest with tap networking enabled =C2=A0=C2=A04. See that the external network is accessible, everything is= working as expected -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1922102 Title: Broken tap networking on macOS host Status in QEMU: New Bug description: Building QEMU with GLib newer than 2.58.3 corrupts tap networking on macO= S hosts. Tap device was provided by Tun/Tap kernel extension installed from brew: =C2=A0=C2=A0brew install tuntap Checked revisions: =C2=A0=C2=A0553032d (v5.2.0) =C2=A0=C2=A06d40ce0 (v6.0.0-rc1) Host: =C2=A0MacBook Pro (Retina, 15-inch, Mid 2015) =C2=A0macOS Catalina 10.15.6 (19G2021) Guest: =C2=A0=C2=A0Linux Ubuntu 4.4.0-206-generic x86_64 =C2=A0=C2=A0Also tested macOS Catalina 10.15.7 as a guest, the behaviour = is the same. QEMU command line: qemu-system-x86_64 \ =C2=A0=C2=A0-drive file=3Dhdd.qcow2,if=3Dvirtio,format=3Dqcow2 \ =C2=A0=C2=A0-m 3G \ =C2=A0=C2=A0-nic tap,script=3Dtap-up.sh tap-up.sh: =C2=A0#!/bin/sh =C2=A0TAPDEV=3D"$1" =C2=A0BRIDGEDEV=3D"bridge0" =C2=A0ifconfig "$BRIDGEDEV" addm "$TAPDEV" Enabling/disabling Hypervisor.Framework acceleration (`-accel hvf`) has no effect. How to reproduce: =C2=A0=C2=A01. Build & install GLib > 2.58.3 (tested 2.60.7) =C2=A0=C2=A02. Build qemu-system-x86_64 with GLib > 2.58.3 =C2=A0=C2=A03. Boot any guest with tap networking enabled =C2=A0=C2=A04. See that the external network is inaccessible Hotfix: =C2=A0=C2=A01. Build & install GLib 2.58.3 =C2=A0=C2=A02. Build qemu-system-x86_64 with GLib 2.58.3 =C2=A0=C2=A03. Boot any guest with tap networking enabled =C2=A0=C2=A04. See that the external network is accessible, everything is= working as expected To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1922102/+subscriptions