From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 94A681A29A for ; Tue, 22 Jul 2025 06:27:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753165641; cv=none; b=P70Iz9KtK9qKedAE8niLxnm0/Vmm23Q2JdIiMXt9++Z1F3sok5klIBXZEIZSwIuwe0e8nT9Wiv8TAjnqZP4QyU3A7TOA83/XGCkSpb05H8UvLAAcSeQpBan52WJm9GIhheafdLSFNhA9x1nUPyTAOFRCiVV4vPPSfPNK+7eolL8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753165641; c=relaxed/simple; bh=wJQShPAJuwJSYSjsi+QH53FcW6LbrGPDdcEeUdyo6nA=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=mI9xK729W1dOFGmLWdzIdhTlOzTn835YdPPthzgw5EnUXIgVIRszx7W5HAHxgEQoyyS+x4OmEOHmYfSY24EeOoPpiWfkcKWqlTvdtpBeFGAzADUqekdrVRdEG2vq6lqdNbWX9HPBsqx23nkP9cDAMgwEnAhXqqK60QD8pNoL+MM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j2f+2+lb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j2f+2+lb" Received: by smtp.kernel.org (Postfix) with ESMTPS id 140E3C4CEEB for ; Tue, 22 Jul 2025 06:27:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753165638; bh=wJQShPAJuwJSYSjsi+QH53FcW6LbrGPDdcEeUdyo6nA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=j2f+2+lbxhzXhs+8DTcUQaNmCyKyG3hBb9fYIfZSxsz5Yz9POxiOYLhH9aBu4UPW5 YdblRnDuXTmNiQlJy6cuenyD7i4t35WH1wxpCAuYoLUw8sFBBYGwi4u1CwcRjAYYWB 2+ZTBwLoX1pwaUFjl9JakUaF2ZfJcjBX5q8RLHxOXzuNs6Jq1mOE2UU8FN01FAvXcA wpzaGjKGsdFOxNwcFzb9rl0Cn0p7rFBJYZymv94PNGhFLhijNYqigFnRDGxuqI3UfR RHKp4U7GJfagXiDFMr0hUfZzBHMdc5w2qsD9idrwp1MhxmielzoOym52vfJOz6W9cF L6whzF73pHVcg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 01253C3279F; Tue, 22 Jul 2025 06:27:17 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220307] USB cannot submit urb disconnecting sound card Date: Tue, 22 Jul 2025 06:27:17 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: niklas.neronin@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D220307 Niklas Neronin (niklas.neronin@gmail.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |niklas.neronin@gmail.com --- Comment #1 from Niklas Neronin (niklas.neronin@gmail.com) --- (In reply to Evgenii from comment #0) > Just got an error that looks like that in dmesg. Not sure what made it su= ch, > just using sound card with Pipewire on 192000 Hz, 53 samples quantization. > This leads to about 0,275 ms delay while preparation of node to play sound > takes about 0,250 ms when VLC starts playing a video. Pw-top reports about > 0,3 ms delay in Busy field if that matters. With 64 samples there was no > issues with preparing the node to start playing and had no conflict with > hardware using standard Arch kernel 6.15-4-arch2-1. So seems this is a USB > bug when sound card drops off and gets up stopping playback of sound while > video goes further. >=20 > [ 321.031944] usb 1-9: USB disconnect, device number 4 > [ 321.032030] xhci_hcd 0000:00:14.0: Event dma 0x000000015a8ee570 for ep= 5 > status 1 not part of TD at 000000015a8ee580 - 000000015a8ee580 > [ 321.032032] xhci_hcd 0000:00:14.0: Ring seg 0 dma 0x000000015a8ee000 > [ 321.032033] xhci_hcd 0000:00:14.0: Ring seg 1 dma 0x000000015a8ef000 Looks like the we receive a Transfer Event with Transfer Event with a completion status of "Success," but its corresponding TD is no longer in the driver's internal list. > [ 321.032037] usb 1-9: cannot submit urb (err =3D -19) USB-audio driver can still submit URBs while the device is being disconnect= ed, resulting in this harmless error message. It's hard to tell from this short log what may be causing this issue. The root cause probably occurred before this snippet. --=20 You may reply to this email to add a comment. 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