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=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 93B1CC47082 for ; Tue, 8 Jun 2021 11:14:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7629D61351 for ; Tue, 8 Jun 2021 11:14:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231671AbhFHLQQ (ORCPT ); Tue, 8 Jun 2021 07:16:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:49590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230190AbhFHLQP (ORCPT ); Tue, 8 Jun 2021 07:16:15 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A9C4F6128A; Tue, 8 Jun 2021 11:14:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623150863; bh=78ccAhFO7kifF3RGq7XD9QjAw3FZnNAFHEg3c4q4Vr8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wzcCpsPYYs3ePxgglZVbi7fWGbed0RVk7QwZsstAMyYLXBTVC1cChhk94eH52A0tC ze7ESOEINwVdaxMBos5Yth/2jhLL9184tKTevAc7Yb2JX9Hd1sGaH6qM++6mVp513D TFi9xOz1YUmQ9yfVYYEu+oltKmPFR+6YoLeSGiM8= Date: Tue, 8 Jun 2021 13:14:20 +0200 From: Greg KH To: Muni Sekhar Cc: linux-sound@vger.kernel.org, linux-usb@vger.kernel.org, alsa-devel , kernelnewbies Subject: Re: USB sound card issues Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Tue, Jun 08, 2021 at 04:20:07PM +0530, Muni Sekhar wrote: > Hi all, > > I am using a USB sound card(snd-usb-audio), and it fails while doing > the audio recording "arecord: pcm_read:2032: read error: Input/output > error". > > What could be the problem? and is there a workaround for this? > > $ arecord -l > **** List of CAPTURE Hardware Devices **** > card 1: BT_AG [BT_002], device 0: USB Audio [USB Audio] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > > $ arecord --device hw:1,0 --channels 1 --format S16_LE --rate 32000_Hz x.wav > Recording WAVE 'x.wav' : Signed 16 bit Little Endian, Rate 32000 Hz, Mono > arecord: pcm_read:2032: read error: Input/output error What kernel version is this, and what other kernel messages are printed when you plug your device in? thanks, greg k-h