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,URIBL_BLOCKED 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 74A38C4743D for ; Tue, 8 Jun 2021 12:32:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5667461073 for ; Tue, 8 Jun 2021 12:32:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232773AbhFHMeP (ORCPT ); Tue, 8 Jun 2021 08:34:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:38718 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232679AbhFHMeO (ORCPT ); Tue, 8 Jun 2021 08:34:14 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A14106128A; Tue, 8 Jun 2021 12:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623155541; bh=QTsuc9MvTGcOk+b+W86bPjlTAz15gPPAPBL0O6/d68g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TwjBrnDbBVqqpPMt1UwkvaAvGv+VrsYi/uIqxe7/0J0RuTXKhGM3Gh8cT/gARg6CW dgf6vQFaLzsNEc7oXqU/R2rc5m66PQ8Sli74lbe2iBAI6wy+jvI2hBxJE4vG13mKUD siCqpe1GOkK0BaXCtKa3gvPOalfi3vtQB+9FK08o= Date: Tue, 8 Jun 2021 14:31:38 +0200 From: Greg KH To: Muni Sekhar Cc: alsa-devel , linux-usb@vger.kernel.org, linux-sound@vger.kernel.org, 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 05:44:42PM +0530, Muni Sekhar wrote: > On Tue, Jun 8, 2021 at 4:44 PM Greg KH wrote: > > > > 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? What kernel version is this? > [12932.016672] usb 2-1: USB disconnect, device number 5 > [12932.016683] usb 2-1.1: USB disconnect, device number 6 > [12962.085766] usb 2-1: new full-speed USB device number 7 using xhci_hcd > [12962.275849] usb 2-1: New USB device found, idVendor=0a12, idProduct=4010 > [12962.275861] usb 2-1: New USB device strings: Mfr=0, Product=0, > SerialNumber=0 > [12962.276538] usb 2-1: ep 0x81 - rounding interval to 1024 microframes, ep > desc says 2040 microframes > [12962.279699] hub 2-1:1.0: USB hub found > [12962.280663] hub 2-1:1.0: 4 ports detected > [12962.875024] usb 2-1.1: new full-speed USB device number 8 using xhci_hcd > [12962.980977] usb 2-1.1: New USB device found, idVendor=0a12, > idProduct=4007 > [12962.980991] usb 2-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=5 > [12962.981000] usb 2-1.1: Product: BT_002 > [12962.981008] usb 2-1.1: Manufacturer: Qualcomm > [12962.981015] usb 2-1.1: SerialNumber: ABC4C25B > [12962.992667] input: Qualcomm BT_002 as > /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1.1/2-1.1:1.0/0003:0A12:4007.0003/input/input6 > [12963.048083] hid-generic 0003:0A12:4007.0003: input,hiddev0,hidraw0: USB > HID v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input0 > [12963.066910] hid-generic 0003:0A12:4007.0004: hiddev0,hidraw1: USB HID > v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input1 > > Same error (arecord: pcm_read:2032: read error: Input/output error) > observed on 4.4, 4.15 and 5.4 kernel version. What exact versions of these are you using? And what about the latest 5.12.y release? thanks, greg k-h 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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 61E9AC47082 for ; Tue, 8 Jun 2021 12:32:42 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (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 2ADE061351 for ; Tue, 8 Jun 2021 12:32:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2ADE061351 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.94.2) (envelope-from ) id 1lqau8-0002FH-LN; Tue, 08 Jun 2021 08:32:24 -0400 Received: from mail.kernel.org ([198.145.29.99]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1lqau6-0002F2-Tk for kernelnewbies@kernelnewbies.org; Tue, 08 Jun 2021 08:32:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A14106128A; Tue, 8 Jun 2021 12:32:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623155541; bh=QTsuc9MvTGcOk+b+W86bPjlTAz15gPPAPBL0O6/d68g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TwjBrnDbBVqqpPMt1UwkvaAvGv+VrsYi/uIqxe7/0J0RuTXKhGM3Gh8cT/gARg6CW dgf6vQFaLzsNEc7oXqU/R2rc5m66PQ8Sli74lbe2iBAI6wy+jvI2hBxJE4vG13mKUD siCqpe1GOkK0BaXCtKa3gvPOalfi3vtQB+9FK08o= Date: Tue, 8 Jun 2021 14:31:38 +0200 From: Greg KH To: Muni Sekhar Subject: Re: USB sound card issues Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: alsa-devel , linux-usb@vger.kernel.org, linux-sound@vger.kernel.org, kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org On Tue, Jun 08, 2021 at 05:44:42PM +0530, Muni Sekhar wrote: > On Tue, Jun 8, 2021 at 4:44 PM Greg KH wrote: > > > > 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? What kernel version is this? > [12932.016672] usb 2-1: USB disconnect, device number 5 > [12932.016683] usb 2-1.1: USB disconnect, device number 6 > [12962.085766] usb 2-1: new full-speed USB device number 7 using xhci_hcd > [12962.275849] usb 2-1: New USB device found, idVendor=0a12, idProduct=4010 > [12962.275861] usb 2-1: New USB device strings: Mfr=0, Product=0, > SerialNumber=0 > [12962.276538] usb 2-1: ep 0x81 - rounding interval to 1024 microframes, ep > desc says 2040 microframes > [12962.279699] hub 2-1:1.0: USB hub found > [12962.280663] hub 2-1:1.0: 4 ports detected > [12962.875024] usb 2-1.1: new full-speed USB device number 8 using xhci_hcd > [12962.980977] usb 2-1.1: New USB device found, idVendor=0a12, > idProduct=4007 > [12962.980991] usb 2-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=5 > [12962.981000] usb 2-1.1: Product: BT_002 > [12962.981008] usb 2-1.1: Manufacturer: Qualcomm > [12962.981015] usb 2-1.1: SerialNumber: ABC4C25B > [12962.992667] input: Qualcomm BT_002 as > /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1.1/2-1.1:1.0/0003:0A12:4007.0003/input/input6 > [12963.048083] hid-generic 0003:0A12:4007.0003: input,hiddev0,hidraw0: USB > HID v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input0 > [12963.066910] hid-generic 0003:0A12:4007.0004: hiddev0,hidraw1: USB HID > v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input1 > > Same error (arecord: pcm_read:2032: read error: Input/output error) > observed on 4.4, 4.15 and 5.4 kernel version. What exact versions of these are you using? And what about the latest 5.12.y release? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Tue, 08 Jun 2021 12:31:38 +0000 Subject: Re: USB sound card issues Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Muni Sekhar Cc: alsa-devel , linux-usb@vger.kernel.org, linux-sound@vger.kernel.org, kernelnewbies On Tue, Jun 08, 2021 at 05:44:42PM +0530, Muni Sekhar wrote: > On Tue, Jun 8, 2021 at 4:44 PM Greg KH wrote: > > > > 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? What kernel version is this? > [12932.016672] usb 2-1: USB disconnect, device number 5 > [12932.016683] usb 2-1.1: USB disconnect, device number 6 > [12962.085766] usb 2-1: new full-speed USB device number 7 using xhci_hcd > [12962.275849] usb 2-1: New USB device found, idVendor 12, idProduct@10 > [12962.275861] usb 2-1: New USB device strings: Mfr=0, Product=0, > SerialNumber=0 > [12962.276538] usb 2-1: ep 0x81 - rounding interval to 1024 microframes, ep > desc says 2040 microframes > [12962.279699] hub 2-1:1.0: USB hub found > [12962.280663] hub 2-1:1.0: 4 ports detected > [12962.875024] usb 2-1.1: new full-speed USB device number 8 using xhci_hcd > [12962.980977] usb 2-1.1: New USB device found, idVendor 12, > idProduct@07 > [12962.980991] usb 2-1.1: New USB device strings: Mfr=1, Product=2, > SerialNumber=5 > [12962.981000] usb 2-1.1: Product: BT_002 > [12962.981008] usb 2-1.1: Manufacturer: Qualcomm > [12962.981015] usb 2-1.1: SerialNumber: ABC4C25B > [12962.992667] input: Qualcomm BT_002 as > /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1.1/2-1.1:1.0/0003:0A12:4007.0003/input/input6 > [12963.048083] hid-generic 0003:0A12:4007.0003: input,hiddev0,hidraw0: USB > HID v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input0 > [12963.066910] hid-generic 0003:0A12:4007.0004: hiddev0,hidraw1: USB HID > v1.11 Device [Qualcomm BT_002] on usb-0000:00:14.0-1.1/input1 > > Same error (arecord: pcm_read:2032: read error: Input/output error) > observed on 4.4, 4.15 and 5.4 kernel version. What exact versions of these are you using? And what about the latest 5.12.y release? thanks, greg k-h