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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0F89DCE7A81 for ; Mon, 25 Sep 2023 10:10:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qkiXB-0001LA-9v; Mon, 25 Sep 2023 06:09:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qkiX8-0001Kv-CK for qemu-devel@nongnu.org; Mon, 25 Sep 2023 06:09:43 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qkiX5-0006Ig-Ge for qemu-devel@nongnu.org; Mon, 25 Sep 2023 06:09:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1695636577; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=uFK/RPhsTa4+73IgpH3Vh6lz39jbiLgEPDMsrp7cJw4=; b=NDiZyMJRLFfVp6vLfSPPS7oPjifig9NDsS2lWBR5IXXlqcsvIOx2FAsik0ScBfxPE30KCI iWtUGQgJRpG82U1+IAEendUY6jhWhDMJYXetbjCK/JPMwDECv1K5D8qB+KrEmc2wJx0OFl ozawlZR/6plY4iF1fnl8ZGd/j7+FFxo= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-418-hIRaG4MrNYabNxxjjAc4-Q-1; Mon, 25 Sep 2023 06:09:36 -0400 X-MC-Unique: hIRaG4MrNYabNxxjjAc4-Q-1 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-4054743df06so38133175e9.3 for ; Mon, 25 Sep 2023 03:09:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695636575; x=1696241375; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=uFK/RPhsTa4+73IgpH3Vh6lz39jbiLgEPDMsrp7cJw4=; b=H9TYg5OxEEDmXf4uq2nm+LCDTP2ddwVz3rJo+vSdVYlIUg673FzQQAFaWUpA5qLpa0 3Ve1nq5YC+wzvZIsnTyCT3WbYZiiO6PvqtIfdAaqq5bNXfez9USAVE1hlqb0tn4T1zpl H7jpltojUQlgGf+eoPCjdW0oTppveS7JbWrkV1R7bUc7A2aQ0kiJQXwTYybxP86YKddP lrDS6hr3YBywIVeXQ9FAufKyeRRad1+bE6OwQutqM7/GJ/+BKh5uwo9qtqyOeHQQkGt3 Uq0D/l1kukTXlBhq/lfIU5Rjfe1CE/QWLA6Pag+hPHbKeudtV7ARxgjVeNeuhx6pbB5t O/ig== X-Gm-Message-State: AOJu0Yy5zqn0f5WOzLXo6A0xMs6kvY9s219RWzSRgXoTwJuaVn9WabKl adXeqVAm8BhFEcSvwKEUb2pcoJEi0f8RpSjZI+Mg5AXvVgDFOZiZnxROLFZr/3JwIrdppDXRIpg D3hXsbjn943xq0fo= X-Received: by 2002:a7b:cb97:0:b0:405:4daa:6e3d with SMTP id m23-20020a7bcb97000000b004054daa6e3dmr5085748wmi.39.1695636574940; Mon, 25 Sep 2023 03:09:34 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFJKl3UdBHOZkXsyhdwNbYLPiGZYTR4q0jVwlJBN7xdUeFFv4xSGPLf7LnQArf2TJf/QCgq6Q== X-Received: by 2002:a7b:cb97:0:b0:405:4daa:6e3d with SMTP id m23-20020a7bcb97000000b004054daa6e3dmr5085735wmi.39.1695636574649; Mon, 25 Sep 2023 03:09:34 -0700 (PDT) Received: from fedora ([2a01:e0a:257:8c60:80f1:cdf8:48d0:b0a1]) by smtp.gmail.com with ESMTPSA id x14-20020a05600c21ce00b003fefcbe7fa8sm11810476wmj.28.2023.09.25.03.09.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 03:09:34 -0700 (PDT) Date: Mon, 25 Sep 2023 12:09:32 +0200 From: Matias Ezequiel Vara Larsen To: Stefano Garzarella Cc: Manos Pitsidianakis , qemu-devel@nongnu.org, Igor Skalkin , Anton Yakovlev , Paolo Bonzini , Gerd Hoffmann , "Michael S. Tsirkin" , Marcel Apfelbaum , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Eduardo Habkost , =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Volker =?iso-8859-1?Q?R=FC?= melin , =?utf-8?B?S8WRIHbDoSBnw7MgLCBab2x0w6E=?= n , Alex =?iso-8859-1?Q?Benn=E9?= e , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , Mark Cave-Ayland Subject: Re: [PATCH v9 00/12] Add VIRTIO sound card Message-ID: References: <2gm4wkfnjopd7l5zvzepzknl4hfomkxvtgvw72daazne2n34wy@fgqmh3mi3r5l> <0yzxl.gd0zk711fja@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=170.10.133.124; envelope-from=mvaralar@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Sep 14, 2023 at 12:24:13PM +0200, Stefano Garzarella wrote: > On Thu, Sep 14, 2023 at 01:02:05PM +0300, Manos Pitsidianakis wrote: > > On Thu, 14 Sep 2023 12:54, Stefano Garzarella wrote: > > > We are seeing something strange with the virtio-sound Linux driver. > > > It seems that the driver modifies the buffers after exposing them to > > > the device via the avail ring. > > > > I need more information about this bug. What is the unexpected behavior > > that made you find that the buffer was modified in the first place? > > CCing Matias for more details, but initially can you just run the test > Matias suggested to check if you experience the same behaviour or not? > Hello, we are discussing this issue in the virtio-comment mailing list: https://lists.oasis-open.org/archives/virtio-comment/202309/msg00175.html Thanks, Matias.