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 7A0FE1F463E for ; Sun, 19 Oct 2025 18:54:31 +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=1760900072; cv=none; b=nqkQ/hdwZAe36TDB5zt8Ld1O9U7smM1xI8IunIIRpDuIqPV88tOcsRrzEdtzGXJIxEtlJt60+AeanXet6ICgsBcHXCz8Tv/9KOCB9oSESM2ixHEfCvjMgTCF0aVOXinimZ/11qZcGGkuHdN5LWWxAthvq8pMJVgOaTcbVtg1Znc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760900072; c=relaxed/simple; bh=PLkhnL4/Bs7aBOstRl2VvAeRKiBzgyA9LkdJMLjGgY0=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=gZGi74DPyAw5I2e01tMefeY6+qaM9+3DhGeacsKGPWLEUN7KfEmwW7N6tfamF4IuDzCt9xzu1UEWpjW/+oMi1TfAV9SBxRKN3Hqd23PWHS26f1xLuitznCNu8U3uGvbW68cfUMQFP3YYxJ/dxU0E3vHpCdQPvOZQrrEeQzk7zTU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GdgmLnht; 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="GdgmLnht" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0DEF3C4CEE7 for ; Sun, 19 Oct 2025 18:54:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760900071; bh=PLkhnL4/Bs7aBOstRl2VvAeRKiBzgyA9LkdJMLjGgY0=; h=From:To:Subject:Date:From; b=GdgmLnht3yQpKVyR9UlifQNhtuqQEwbqx8lOIFfrTpzF5obEM1yOW0J9PzktZo6r9 SaYtjYsTjfpTfu0oD+UK26zxXouwQYZikPkajV4Qjh5syqTu8oO60ALp0OCujwiMj1 0GVD5M591AqAWActEmWe7Q5djllUfIGzIDCY+rUvujU6jUT0W3Fdk/pkXfAtIvNWJ3 DYY5BM+O2WCp8qSvsz/JWwDXPhuYsWfmqwapm4GRVtVyh8Wd37H4od9IGNiqyAqAMA ReLiNpWDstyYAW2aBR4N3LmCkQQIrRHLVenY1kc0LEwxjtW0HG/v4iuAY+9U9gKWOp /EEs7RF6kJemA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id EE307C41612; Sun, 19 Oct 2025 18:54:30 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220686] New: REGRESSION: USB devices not recognised when plugged to Thunderbolt 4 USB-C ports Date: Sun, 19 Oct 2025 18:54:30 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: blocking X-Bugzilla-Who: anonq@tutanota.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: bug_id short_desc product version cf_kernel_version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: 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=3D220686 Bug ID: 220686 Summary: REGRESSION: USB devices not recognised when plugged to Thunderbolt 4 USB-C ports Product: Drivers Version: 2.5 Kernel Version: 6.16.12 Hardware: Intel OS: Linux Status: NEW Severity: blocking Priority: P3 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: anonq@tutanota.com Regression: Yes I'm on Linux (Fedora 42)=20 Kernel 6.14.0-63.fc42.x86_64 USB controllers are detected: $ lspci -nn | grep -i thunderbolt 00:07.0 PCI bridge [0604]: Intel Corporation Meteor Lake-P Thunderbolt 4 PCI Express Root Port #0 [8086:7ec4] (rev 10) 00:07.2 PCI bridge [0604]: Intel Corporation Meteor Lake-P Thunderbolt 4 PCI Express Root Port #2 [8086:7ec6] (rev 10) 00:0d.0 USB controller [0c03]: Intel Corporation Meteor Lake-P Thunderbolt 4 USB Controller [8086:7ec0] (rev 10) 00:0d.2 USB controller [0c03]: Intel Corporation Meteor Lake-P Thunderbolt 4 NHI #0 [8086:7ec2] (rev 10) 00:0d.3 USB controller [0c03]: Intel Corporation Meteor Lake-P Thunderbolt 4 NHI #1 [8086:7ec3] (rev 10) All firmware is up-to-date, so is Fedora Linux When I plug a device in the USB4 port, dmesg doesn't change and the device isn't detected at all Booting from kernel 6.14.0-63.fc42.x86_64 works fine --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=