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 9A43C1F12F4 for ; Wed, 30 Jul 2025 20:19:09 +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=1753906752; cv=none; b=eqK/bFemOG2282AV5mca4k1sDPyAk1jStOo5FY3RbudtogsRN1pnpbzn0SbVnSwuNL9leEv9ipdBaA4JEKGMSGoVSt9ZaRjGvXcKBBh/9YDoa3w1JiY6SIcSqSMReL4LxvlrU4XJBUZvzQ+BZCdNj16cIG7fgNiZ3HVdPv2HnO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753906752; c=relaxed/simple; bh=njPLGGOgZjABHaqH/I/SYN4YPYgmW+0xac/31jDft7I=; h=Message-ID:Date:MIME-Version:To:From:Subject:Content-Type; b=e9b7Hexv2eGX/ZhflR7lK7zSOGvApdmZKHlV59wK9QStu8TaZ0VRKS6oQYLC+zb1kvAi9MRFo9/x3fByCYwG/hCHhdNT3OwRadGlbelxM8ANf1zcsjJ3WUwbayOMchmr9bKlbLaATip9MqTvqF//UxEeiFREUaoNmJydwVCQ4oQ= 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 1uhD0Q-0006b9-G0 for linux-usb@vger.kernel.org; Wed, 30 Jul 2025 21:02:30 +0100 Message-ID: Date: Wed, 30 Jul 2025 21:02:24 +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 Content-Language: en-GB To: linux-usb@vger.kernel.org From: Bob Ham Subject: Audio interface causing "xhci_hcd ... WARN: buffer overrun event" messages Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------dwdQpLm1wuChFFAmFWttJFo5" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------dwdQpLm1wuChFFAmFWttJFo5 Content-Type: multipart/mixed; boundary="------------ez86WmE0mbiPJ1Jl8a0qMyBB"; protected-headers="v1" From: Bob Ham To: linux-usb@vger.kernel.org Message-ID: Subject: Audio interface causing "xhci_hcd ... WARN: buffer overrun event" messages --------------ez86WmE0mbiPJ1Jl8a0qMyBB Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi there, I'm trying to get an Arturia AudioFuse 16Rig audio interface working under Linux. During loading of snd-usb-audio and when trying to play through the interface, the kernel spews a whole bunch of messages like so= : [ 1667.208402] xhci_hcd 0000:00:14.0: WARN: buffer overrun event for slot 3 ep 2 on endpoint [ 1667.216585] xhci_hcd 0000:00:14.0: WARN: buffer overrun event for slot 3 ep 2 on endpoint [ 1667.224778] xhci_hcd 0000:00:14.0: WARN: buffer overrun event for slot 3 ep 2 on endpoint When trying to play, there is nothing from the audio outputs on the interface and aplay reports: $ aplay -D hw:CARD=3DAudio,DEV=3D0 output.wav Playing WAVE 'output.wav' : Signed 32 bit Little Endian, Rate 48000 Hz, Channels 10 aplay: pcm_write:2127: write error: Input/output error I don't really know anything about XHCI so I was wondering if someone could advise me on what might be causing the error messages? I followed some instructions from this list=E2=81=B0 on enabling logs and= traces which might help shed some light. Here is the kernel log (which includes some debugging statements I added): https://settrans.net/~rah/misc/xhci-kernel-log.txt And here is the contents of /sys/kernel/debug/tracing/trace which unfortunately looks empty, I'm wondering if the instructions I followed are still valid? https://settrans.net/~rah/misc/xhci-kernel-trace.txt Thanks, Bob Ham =E2=81=B0https://lore.kernel.org/linux-usb/?t=3D20190409143433 --------------ez86WmE0mbiPJ1Jl8a0qMyBB-- --------------dwdQpLm1wuChFFAmFWttJFo5 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- iQgzBAEBCgAdFiEEiU+rFDuOUMv69+HH4HfB7SDj464FAmiKelAACgkQ4HfB7SDj 464E2z/5AcHeVUPPAAkB/R1iy6lhPIHe76OTwXAIwXMtqH1mAFUCcv5JmSzT/rp5 CNPnP4vniKEAJzkb+Z9SFqnJjG4qAZE6cA2EN1SiUCLhUOJfPOrtcZ3W8QPjqDv2 Pwp2Ne4hNMkyXv5aucAnAbmVDmHObxjHpWy0IsdU94xgEGW5ysbjca+yVyc4v3Vz ox+5QV1MnuTfHKrJPxtNkctMvKyp1ixJ0sbPduU12f5e/JtPEx+vGZ6wyf0Kvp5E vLL/UNyY6kAJKLXI9+tuj5zR4mW+W24cPEZKZR4xwhWNqlK20aXg3S8nHZNCowHV ldGJlPiEPuu2aCKzgeCLcfGMhj8Izbwwp8aIHdCqJFAnwBs642CUox3ReTfPP2dr b9pPF1gymkOHBmxmuLOtAggR/Cy2hKRloD+KAwvtRdKNmh/egXIQyl2HI5KfhnxB lXYbbSClW2n+chCtsv4/OT7Z6zrvNKQL2TXKvvkgw0agEle7r/t9qHGNKO0VOf/p S4+CLM4Tds+m9IGDNdM2rPdrissshtLJ9bSb5fE2BydurvTiQRzwzy90Z+oPdBms k2SYoAnFXuzLq7tmxqrSar/xE2a0i0LOE3JKucrgWLeRhwJIvucP9M1tmtHDTbDC oFM7/SLNFgUut9PkhoJ2I82BlwPsWrpZje+MYaEVPbEP3r7wqv6gTYKfYcNxT8DQ 47VYjhGEgQQ8f7TcVGKzX8kfosgVeSshiE0Jb6q+ZojLpvIRQToZtpwbDIn0fkbm rEbA5V3hCtzEw7fQi1xqYS8RTVLt0gNrYz5WN3BoAjKDFToF56323g0b4cbFy56Q mPqefMi4muwvto8r6GEk6Lf6NfBtViMM8k+g4pB2M9nxOvPOdzmrutTxfhBSaPLl yl0J3uHXl9hYlu1mSo0iyQXaDmPezGSc4dn5NnItu3NCq6AUs+SbH2A72kV4PeJZ agd9uJzyk7XTfAiFrnz0vRxaOmxo3A2TgkpflGo+rLqHzJXKRfaql5CQ4rhLJmy3 30Hwfq9s4mmBSaBNnbdwcpxCKknle3cFKz6K4i4w/xu3Cly2azXsz5e78Do0gUiM 3J8IAvQg3KEC25eLOb+tpwhvu8wyrLp+JWN9Syh8DuaMf/JsIJ/l8wGN1k2lwdzF mROharOOGsc2aR3F/At6jPT427tNQqQBiAbYglwWwVa1pex9P3bfx9CA4DX1efQM ec2VdaE6enrWyHELi1s6iEHNeivsJJUmrry9CUz2jSFobC6kV3poF0DN7Dwdslr9 +H1oFdF5Bde9ohHpQLprVWTNzIpZscJjWbulDHRX76U+5VVMbDeY8PFRGwNcPvsP yKHRBmL0gPPUMXbRAHpqj//Paa05pFYHZVX4TuQH2BMzcDeFC3llrcSwnTR+gkJI YTeCTpU9sAEsVqGmlKgGJfXtzTZp4rCgqo2Pe7XoBNo1LXZWHNJoO6Ig/99tTtm6 zYxdRDyrNJeRMriP+xaoox+FeQSVw38lheDEIQFltOFJA5FHzzq2b9pPuu6E34Dv OspRmkVcbQ6yjdBMi+sSDjCW03fjqpOW19zHRjvPeag2nJYD2RCsuRPs40BReRIo cuOJL1VTVoTXTAJrt6NouNLDVjz/mEcizqOMyJmBtSwb8N88X58Dse7F05tw2kiG X37EXiGHSBu/jE7TlUmViN98s913lVMyNQSE4cv2Ds7SqiBVbuyL33uvVduKuIEu E5UwfAsAXdfF1GmCX4wFBlUoelH6p7JtRtBuep9X14znN3hVkCmd2c9SxlLA557S CaRnzkCmxqUw7/2niuSO0dyYwYn4bKjpfiz6pVHWpg6s3y/TutT8kXKSjKkHDHWv o+6iPUpkKnslNGkjzqJkjRFDRti9UiwU13StKplwccuP9O+oG/A4vO5I2jCJKc8n AgK//lE26c/MmPL20qPZkS7jW2TTXpeIsKFt/fj2UItcCymNF/ZmA+FmMygWuYsg nveXhwy+DnknUwrzMv/M61xsWmTv5WBouDcwV6+CnNPuwqPnDMwfo66jUBoATF7b 6j/x2Zy8TaptdzEXVWWhks7M0pLua+PQjiuwy/crLnvVpLaRh2kXSfWo2qg5GCwD Nup/1Adc0aZUgRyCf8oRUhvBKThsJ3cdfDWrL/P6a3pwmaCb1ke2MG3NhjfvvsaG ASlMuSHn7iwRSs5rwviPlpChip4QuH/rYPQ+IRQ5LlLfsN+xwCqdCE/yLQrxq4do OnJL8YWgfYabTdXVXW/u05oGf1FaCLaItZ0q2ep0gepN3B2hc8Fm0g+A6zoBfXEB 9aJFEQuwCURoBcsYa7jelGkDsmnPlfxqJFCNKZUBa+CNdxUbskAnc6UrNwo+DkIN 3KW4ilH6sceanDh4aVbsd86l5bvNi56QlTeawnXV74tPMqsG77iUixPN0Ocua/Xj vrHk/2nCn1EKiwUtCylwgToaO+Cfn1i5H9MIpVrog/HZ3bVzqGhSQg4StPo3jVAx Rwy8F93tVG67Dvy39jrI06Y/JZNVoiu5czjZEAzs1sbZUhVRhIbSywS/DLxeRD9O sX35Wrz4QdLW6I8KtO8b4dSOKUXjieSxo2HUhub+FuIjDJvUFHbM0M8Ke1IkRFKT IE3kJYBDfuKqoTiFO+Ra1LsTCZUkNWWzjuv7VZcOJ8TqiwZJ8UW0DuVWZQSUNFZw j0OVlgXzXdOFzsPHtjffDtelBLHsXgl6n4azvx1/56+5UGG9fC0= =KmsG -----END PGP SIGNATURE----- --------------dwdQpLm1wuChFFAmFWttJFo5--