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,DKIM_SIGNED, DKIM_VALID,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 77621C433ED for ; Fri, 23 Apr 2021 07:48:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 872B2613DE for ; Fri, 23 Apr 2021 07:48:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 872B2613DE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1738F1687; Fri, 23 Apr 2021 09:47:36 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1738F1687 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1619164106; bh=itKQ1Qw5eXHjDpDnDADkz/37ykQKePS/1Go0kNET4IY=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=vC2T7oCOlFpppUg2bdXCefiYAncr64PG1GlOAjCEVaPn5MJ3WA1RD1CoBFdLWWdrV 4R1ErhXsw6RLzedFan58bd5N0jV5BCNjbG9F0qeZh29KtgryVD7TB1r6LUSQmyz5Ls cOV1ZRL+DZTEZL/ZrIbR34JBcOHTLaufoHaIVars= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 791F4F800AE; Fri, 23 Apr 2021 09:47:35 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8AC73F80227; Fri, 23 Apr 2021 09:47:33 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 8A54FF800AE for ; Fri, 23 Apr 2021 09:47:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 8A54FF800AE X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id ED419ACF6; Fri, 23 Apr 2021 07:47:19 +0000 (UTC) Date: Fri, 23 Apr 2021 09:47:19 +0200 Message-ID: From: Takashi Iwai To: Lucas Subject: Re: [PATCH 2/2] ALSA: usb-audio: Generic application of implicit fb to Roland/BOSS devices In-Reply-To: References: <20210422120413.457-1-tiwai@suse.de> <20210422120413.457-2-tiwai@suse.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: alsa-devel@alsa-project.org, "Keith A . Milner" , Mike Oliphant X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Fri, 23 Apr 2021 08:49:22 +0200, Lucas wrote: > > Most everything seems to be working, but I ran into a couple of, hopefully, > simple issues: > > 1. The UA-101 in its full speed (USB 1.1) mode times out for both capture and > playback, though its high speed (USB 2) mode is perfect. > (I'm using plughw to work with 2 channels here): > arecord -D plughw:UA101 -f S32_LE -r 48000 -c 2 ./file.wav > arecord: main:830: audio open error: Connection timed out > > aplay -D plughw:UA101 -f S32_LE -r 48000 -c 2 ./other-file.wav > aplay: main:830: audio open error: Connection timed out Is this really with snd-usb-audio driver? Please check the entry in /proc/asound/modules (or traverse via sysfs). > 2.  I noticed with the INTEGRA-7 and the R-26, so far (with "pasuspender -- > cat" running simultaneously): > When I first begin playback with aplay like, > "aplay -D hw:INTEGRA7 -f S32_LE -r 96000 -c 2 ./file.wav" > to play a long recording, and then start capturing for a while, while that's > still playing with something like, > "arecord -D hw:INTEGRA7 -f S32_LE -r 96000 -c 2 ./duplex-file.wav". > If I then end the arecord with ctrl-c before the aplay has finished, aplay may > end in the near future without finishing the entire playback, with this: > aplay: pcm_write:2061: write error: Input/output error > > I may try beginning the capture first, and then starting aplay, but I've run > out of time for tonight. > > If problem two can't be fixed, this functionality is certainly better than > before when it wasn't working at all.  I think JACK would keep the capture and > playback endpoints open, until itself closes, so it's probably a rare person > like me that would even notice it. This rather sounds like a generic problem of the implicit feedback. Please give the kernel log with snd_usb_audio.dyndbg=+p boot option with some notion which timestamp corresponding to which action (e.g. starting playback, stopping recording, etc). thanks, Takashi