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 A15DFC3E8C5 for ; Sun, 29 Nov 2020 21:07:03 +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 A3F86207BC for ; Sun, 29 Nov 2020 21:07:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A3F86207BC 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]:45106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kjTuP-0006qg-Db for qemu-devel@archiver.kernel.org; Sun, 29 Nov 2020 16:07:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59960) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kjTt6-00061J-K2 for qemu-devel@nongnu.org; Sun, 29 Nov 2020 16:05:40 -0500 Received: from indium.canonical.com ([91.189.90.7]:45686) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kjTt4-0001aV-78 for qemu-devel@nongnu.org; Sun, 29 Nov 2020 16:05:40 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1kjTt2-0002Ns-8j for ; Sun, 29 Nov 2020 21:05:36 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 3B2962E813A for ; Sun, 29 Nov 2020 21:05:36 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Sun, 29 Nov 2020 21:00:06 -0000 From: johannes <1906184@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: linux sound stuttering X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: fghgfh832 X-Launchpad-Bug-Reporter: johannes (fghgfh832) X-Launchpad-Bug-Modifier: johannes (fghgfh832) Message-Id: <160668360643.8467.1174467621705698044.malonedeb@soybean.canonical.com> Subject: [Bug 1906184] [NEW] Lots of stuttering/crackling in guest sound 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="12d09381f8e8eee3115395875b132e165fa96574"; Instance="production" X-Launchpad-Hash: 03c041d41f3ed0de512ddcdf72e55eb90c130751 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -66 X-Spam_score: -6.7 X-Spam_bar: ------ X-Spam_report: (-6.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, 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 1906184 <1906184@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Public bug reported: When listening to music (e.g. with VLC) or watching Youtube on the guest, there's lots of stuttering and crackling in the sound. Tested with the following QEMU start commands: qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga virtio -soundhw hda -display sdl,gl=3Don qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda -display sdl qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda -display gtk If I use the following command (QXL graphics, "remote" access via SPICE ove= r unix socket), stuttering is not completely gone but MUCH less annoying: qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -soundhw hda -vga qxl -device virtio-serial-pci -device virtserialport,chardev=3Dspicechannel0,name=3Dcom.redhat.spice.0 -chardev spicevmc,id=3Dspicechannel0,name=3Dvdagent -spice unix,addr=3D/tmp/vm_spice.socket,disable-ticketing and this command for accessing the VM: remote-viewer spice+unix:///tmp/vm_spice.socket = Guest: Kubuntu 20.04 64-bit (live), but occurs with many other as well Host: Arch Linux, with KDE desktop CPU: Intel Xeon E3-1230v2 (4 cores + hyperthreading) RAM: 16 GB GPU: Nvidia GTX 980 Ti ** Affects: qemu Importance: Undecided Status: New ** Tags: linux sound stuttering -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1906184 Title: Lots of stuttering/crackling in guest sound Status in QEMU: New Bug description: When listening to music (e.g. with VLC) or watching Youtube on the guest, there's lots of stuttering and crackling in the sound. = Tested with the following QEMU start commands: qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga virtio -soundhw hda -display sdl,gl=3Don qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda -display sdl qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -vga qxl -soundhw hda -display gtk = If I use the following command (QXL graphics, "remote" access via SPICE o= ver unix socket), stuttering is not completely gone but MUCH less annoying: qemu-system-x86_64 -enable-kvm -m 6G -cpu host -smp 3 -cdrom ./linux/kubuntu-20.04-desktop-amd64.iso -boot d -soundhw hda -vga qxl -device virtio-serial-pci -device virtserialport,chardev=3Dspicechannel0,name=3Dcom.redhat.spice.0 -chardev spicevmc,id=3Dspicechannel0,name=3Dvdagent -spice unix,addr=3D/tmp/vm_spice.socket,disable-ticketing and this command for accessing the VM: remote-viewer spice+unix:///tmp/vm_spice.socket = Guest: Kubuntu 20.04 64-bit (live), but occurs with many other as well Host: Arch Linux, with KDE desktop CPU: Intel Xeon E3-1230v2 (4 cores + hyperthreading) RAM: 16 GB GPU: Nvidia GTX 980 Ti To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1906184/+subscriptions