From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verain.settrans.net (verain.settrans.net [93.93.131.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3EC432745E for ; Thu, 31 Jul 2025 10:04:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=93.93.131.233 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753956290; cv=none; b=eoe+4wHo5TUX0BpafqJ9xzhDV4yA81P78h/yQ2se3thRonyyoBs6+fupTundTspAJJw40zGGE6Z/ZunXicGYsZF2yKoVClTc6SwxToqIK12gKIoC59CTl9rot1VEcfrbRO4V6rasFa+QcvJgYMk4XBvbxsqtiz6SvbcCFpulrro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753956290; c=relaxed/simple; bh=JlGNtUoCGFPI+S15vh4cegsI5oW098/RY4rr2bkksww=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=i1ZKNw0bGqVRDh44kBi3DzrdWGRZfeILyOXLSLBHt6uavzjb5pCFZWJCBahwyJ4ZrCcOsCtTg60lZv9p8ZeEzUUp9PPsCZXAiR6WUtAUwUp9aI4zzitf2ikerZjCfgM+iDn4Idu/febpNtmHxGnowqz/f1Zo37YegsuQaU3Jx5E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=settrans.net; spf=pass smtp.mailfrom=settrans.net; arc=none smtp.client-ip=93.93.131.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=settrans.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=settrans.net Received: from [193.187.128.66] (helo=[172.24.1.6]) by verain.settrans.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1uhQ9W-0005aN-4C; Thu, 31 Jul 2025 11:04:46 +0100 Message-ID: <87114caf-7c0d-4e51-bb3e-f171fc20ac62@settrans.net> Date: Thu, 31 Jul 2025 11:04:40 +0100 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Audio interface causing "xhci_hcd ... WARN: buffer overrun event" messages To: =?UTF-8?Q?Micha=C5=82_Pecio?= Cc: linux-usb@vger.kernel.org References: <20250731101720.5d10a8f1@foxbook> Content-Language: en-GB From: Robert Ham In-Reply-To: <20250731101720.5d10a8f1@foxbook> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------WqRAss5FsHpmNkKCyXkFPFjC" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------WqRAss5FsHpmNkKCyXkFPFjC Content-Type: multipart/mixed; boundary="------------YXH9ezu5H61401wV2Mo07rc7"; protected-headers="v1" From: Robert Ham To: =?UTF-8?Q?Micha=C5=82_Pecio?= Cc: linux-usb@vger.kernel.org Message-ID: <87114caf-7c0d-4e51-bb3e-f171fc20ac62@settrans.net> Subject: Re: Audio interface causing "xhci_hcd ... WARN: buffer overrun event" messages References: <20250731101720.5d10a8f1@foxbook> In-Reply-To: <20250731101720.5d10a8f1@foxbook> --------------YXH9ezu5H61401wV2Mo07rc7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 31/07/2025 09:17, Micha=C5=82 Pecio wrote: > Can you mount debugfs and see if you can find the directory below? It > would tell if there is anything unusual about those 1 in 65 buffers. >=20 > /sys/kernel/debug/usb/xhci/0000:00:14.0/ Umm.. and this is with the device connected and snd-usb-audio loaded, which might be more helpful :-) /sys/kernel/debug/usb/xhci/0000:00:14.0/ /sys/kernel/debug/usb/xhci/0000:00:14.0/ports /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port01 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port01/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port02 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port02/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port03 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port03/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port04 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port04/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port05 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port05/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port06 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port06/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port07 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port07/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port08 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port08/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port09 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port09/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port10 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port10/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port11 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port11/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port12 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port12/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port13 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port13/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port14 /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port14/portsc /sys/kernel/debug/usb/xhci/0000:00:14.0/ports/port15 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