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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 0D5B5C77B7F for ; Fri, 27 Jun 2025 17:18:27 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [45.14.194.44]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id DEDBA601F6; Fri, 27 Jun 2025 19:18:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz DEDBA601F6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1751044705; bh=H2mvIWJTj2RF8L0OqyCXLvW8LLA8gQhh3m6sEilR8cs=; h=Date:From:To:Subject:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From; b=nXrJDOmf8Zg4L6WpkaPiHU3sOiL3mkgWEyHm3cRH+zggic6CHnVqpPCSGbYUWTN7x B2UdWGnM6xYt1VD0FSwcBBZT3w9BWIVzzpDoOOGtFezHsek248+ZmYYtKrmPOcILNH y8THcFr8QSKA8/IJi48kQxK2sYAAz/uZMQr2oVnI= Received: by alsa1.perex.cz (Postfix, from userid 50401) id C36DEF8032D; Fri, 27 Jun 2025 19:17:52 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 910F3F805CB; Fri, 27 Jun 2025 19:17:52 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 956E0F80217; Fri, 27 Jun 2025 19:17:49 +0200 (CEST) Received: from mail.vandervlis.nl (mail.vandervlis.nl [91.198.178.50]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D515AF800FA for ; Fri, 27 Jun 2025 19:17:47 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D515AF800FA Received: from localhost (localhost [127.0.0.1]) by mail.vandervlis.nl (Postfix) with ESMTP id 36B111FD3C for ; Fri, 27 Jun 2025 19:17:46 +0200 (CEST) Received: from mail.vandervlis.nl ([127.0.0.1]) by localhost (mail.vandervlis.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id T6GcUTFKqgWg for ; Fri, 27 Jun 2025 19:17:46 +0200 (CEST) Received: from sioban.squirrel.nl (86-86-198-172.fixed.kpn.net [86.86.198.172]) (Authenticated sender: johanvromans) by mail.vandervlis.nl (Postfix) with ESMTPSA id 0A3031FADD for ; Fri, 27 Jun 2025 19:17:46 +0200 (CEST) Received: from phoenix.squirrel.nl (phoenix.squirrel.nl [192.168.1.251]) by sioban.squirrel.nl (Postfix) with ESMTP id 5697A9100AAF; Fri, 27 Jun 2025 19:17:45 +0200 (CEST) Date: Fri, 27 Jun 2025 19:17:44 +0200 From: Johan Vromans To: alsa-devel@alsa-project.org Subject: [SOLVED] Re: Zoom R24 USB multichannel audio interface no longer recognized Message-ID: <20250627191744.3885986b@phoenix.squirrel.nl> In-Reply-To: <20250625154517.1e95463a@phoenix.squirrel.nl> References: <20250625154517.1e95463a@phoenix.squirrel.nl> Organization: Squirrel Consultancy X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID-Hash: D65F7EMPE2GCQUY4VHPASAASJJEX4I2L X-Message-ID-Hash: D65F7EMPE2GCQUY4VHPASAASJJEX4I2L X-MailFrom: jvromans@squirrel.nl X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Wed, 25 Jun 2025 15:45:17 +0200, Johan Vromans wrote: > Recently I upgraded to Fedora 42 and now the device is presented as dumb > 2-in/2-out USB audio interface. Sorry, false alarm. The R24 was connected via a KVM/USB switch, and that played tricks. After connecting the R24 directly, or via a decent hub, the problem disappeared and all channels are available again. Apologies for the disturbance.