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 3EDBC1A840A for ; Wed, 31 Dec 2025 08:54:47 +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=1767171287; cv=none; b=eHFJv30C2DIkpu70YdRxLvRxQAAz379s+c1Xk7xEkMlMGZ4Q2fV19C5h8Tng3nj/w4EvXdvFLqMhPVwcLWkb3JiLO4k+ZlxPK4GfIJiW+tb+g80s4pMCd7OWnv1EXdOobiOgrzOj9KY3n8sHyCEGOJAW3XyCJjl6Cjx8dJKJyMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767171287; c=relaxed/simple; bh=8G4aj4jFh1rso6Sidv2mhwucf5rlPrymAvLOWFvDDC8=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=FDO738DV6RcOlF5F7FuUot0RDeK0FWEOqnIjYSPKSFqWcCLTikqpsjRjbpfF3tfqr/6FDxcvG+/+o3QZZig+wIZAB8CTfis3V1nbIuyuWojYQJSuYx3W92OJrjjaFD1gSTn0xBhHS5usrWG0/Sqd1YG6SWyWCJmTxGDjrd/cmKw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LwXPOwoZ; 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="LwXPOwoZ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1F1F7C113D0 for ; Wed, 31 Dec 2025 08:54:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767171287; bh=8G4aj4jFh1rso6Sidv2mhwucf5rlPrymAvLOWFvDDC8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=LwXPOwoZUMIwH8+XUvlqdnLP0P2PqO4VrSZ5y1wB0IFmELQUBE/kiL9RDHhEymxPX EaBfsuWrBSPEboDGxa4cu+oQC5Wd7AbSr9OgEX/6OXLJIi9j4RQjjGuwHdeL+joUJm SAvLAw3Pn2B6E6hewmIbhhjRuhgO1zIKSfF5N0gld46r6GtUYC74NjlfjVUR9rBuCj B8C3iB7IHgt7RhIQXFwjihuA3dPv817UNcfLP/qf4akVOIIr+qTKDK7eR/CVv5cFw3 LlJBEi1xOSM8igY9LyFrLLbli5LnSMGsyCZZTKDOibZ6sqQKsbKnLdNM+Z9520edWH zfKvSL3Aux9Jw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 1645DC41614; Wed, 31 Dec 2025 08:54:47 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 220904] [BUG] ucsi_acpi: USB 3.0 SuperSpeed not negotiated on USB-C hot-plug Date: Wed, 31 Dec 2025 08:54:46 +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: thomas@jetzinger.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: attachments.created 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=3D220904 --- Comment #4 from Thomas Jetzinger (thomas@jetzinger.com) --- Created attachment 309100 --> https://bugzilla.kernel.org/attachment.cgi?id=3D309100&action=3Dedit full dmesg with thunderbolt.dyndbg=3D+p Kernel: 6.18.2-arch2-1 Repro: Boot with dock =E2=86=92 ethernet works. Unplug/replug dock =E2=86= =92 ethernet gone. Key logs: - Boot: cdc_ether registered at usb-0000:00:0d.0-3.1 - Unplug [178.9s]: r8152-cfgselector disconnect, cdc_ether unregister - Replug [189.1s]: Thunderbolt resumed, USB hubs + HID + audio re-enumerated - Ethernet (2-3.1) never re-registered Note: "r8152-cfgselector: Unknown version 0x0000" at boot - driver falls ba= ck to cdc_ether. --=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.=