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 lists1p.gnu.org (lists1p.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 C6F35C43458 for ; Thu, 9 Jul 2026 13:23:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1whohm-0000La-BT; Thu, 09 Jul 2026 09:22:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1whohl-0000L5-0u for qemu-devel@nongnu.org; Thu, 09 Jul 2026 09:22:17 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1whohj-0006Cz-51 for qemu-devel@nongnu.org; Thu, 09 Jul 2026 09:22:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1783603333; 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=1z+rzWCKmZgMeoXLtJups2UO+1ErV3D9ZoDEB6/Kx3U=; b=NoI6DOPCRg4BIWbCrU/PpuFtxp2sD1v6nOG1qjPUvGwzrGT5mDxR7nSJUInbxugIHngf0Q qFvnJhayUltc243GnsdKcptmSUN5SW3mpPwv9BrHO8Ca4rAkf7Hx0Oa3hYLLDhBlPwUzOs da4sRRb4C3IbVoR7FN+jGTKYceqaCbs= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-401-1gMFYh49OdSdHk-p8uGJ_g-1; Thu, 09 Jul 2026 09:22:12 -0400 X-MC-Unique: 1gMFYh49OdSdHk-p8uGJ_g-1 X-Mimecast-MFC-AGG-ID: 1gMFYh49OdSdHk-p8uGJ_g_1783603330 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BE2A0195606F; Thu, 9 Jul 2026 13:22:09 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.44.22.4]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 695B11800347; Thu, 9 Jul 2026 13:22:08 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id BA72021E6920; Thu, 09 Jul 2026 15:22:05 +0200 (CEST) From: Markus Armbruster To: Peter Maydell Cc: qemu-devel@nongnu.org, Jan Kiszka , qemu-arm@nongnu.org, BALATON Zoltan , qemu-ppc@nongnu.org, Huacai Chen , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Jiaxun Yang , Gerd Hoffmann , =?utf-8?Q?Marc-Andr=C3=A9_Lureau?= Subject: Re: A few Machines crash when "no default audio driver available" In-Reply-To: (Peter Maydell's message of "Thu, 9 Jul 2026 14:01:19 +0100") References: <87o6gge6b0.fsf@pond.sub.org> Date: Thu, 09 Jul 2026 15:22:05 +0200 Message-ID: <87zf00cn7m.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Received-SPF: pass client-ip=170.10.129.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 8 X-Spam_score: 0.8 X-Spam_bar: / X-Spam_report: (0.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 Cc: mainainters for "Overall Audio backends" Peter Maydell writes: > On Thu, 9 Jul 2026 at 12:44, Markus Armbruster wrote: >> >> I stumbled over ARM machine musicpal, PPC machines pegasos1, pegasos2, >> and MIPS machine fuloong2e crashes. >> >> I run them like this: >> >> $ qemu-system-aarch64 -M musicpal -nodefaults -S -display none -monitor stdio > >> Died when device_set_realized() tried to propagate a "no default audio >> driver available" error to &error_abort. > > Is this something we want to have be a possibility the devices > have to cope with? Can we have the "ignores all audio data" > backend be always available instead? There's plenty of precedence for /dev/null-like backends. > Otherwise every audio device needs to cope with "there is no > audio backend available" and implement "do nothing with the > audio data" itself. Yes.