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 7F95826ED41 for ; Fri, 9 Jan 2026 12:19:01 +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=1767961141; cv=none; b=sfqyrah9o2wg2yrr+OIaX5QCurNfX4BAn8roFwOtD3Ft/5mKJrTdor5indk+NPFpUeOaXbbTkAxdghQcU/CdUbr0lk9GpITz9TBA6waYarHLQC4+spVWKGkgykQ50p2QIS5o5oSUSZrSi9scE60MnblurVMwW7kgKue2hFG+Lnw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767961141; c=relaxed/simple; bh=lEFoKWMfH/J/df3JqoqmkTJCBaFmDKRdzpB+Mh4iGfw=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=m47mjB8e9zb3Mt+We2k8uTrvbetrYdzhxivC0+3hRDjJq/3qFkVoyo1mJHlRHnqWpxzqasCo6IIXZ3RaKOpIzF+tEll5mPbm1HDo2D0Pi1Q172km6Mf2N8zhDoR4kW3uiunFAjgxRlXJISZQ0LdQwHi1hFPO0I0YnngyHx/yOMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j4ChupAI; 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="j4ChupAI" Received: by smtp.kernel.org (Postfix) with ESMTPS id 48A9BC16AAE for ; Fri, 9 Jan 2026 12:19:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767961141; bh=lEFoKWMfH/J/df3JqoqmkTJCBaFmDKRdzpB+Mh4iGfw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=j4ChupAIpqpGMSFFIWYTLN9xEVPo6Nn5fsA3j5k8TpAAHzFdqjIEMgrLPKnhv//9O XMTIuA6rTqsoqSL2+ONdpoAI5aN+W2IRC/5RoKWA5QI5fC356wQrvpmDpS/dS0Lx3v aBJ+7Kw5g187SzWfG8oN8Mm9I0Jmf3dLrgiWTQ2GJOwl301VdEKmtUD6mvoQKwMs7k rNVf0vOf4v0WC4RLhY29jgBohUjm/6moM95FeSl3bRLHmlPsZC0hDBg8dX4iOmC9Ov 8qUrzoWSxtUfY7IKnoFCY1G1xM1jHgPO0TFeTOXOZ+77SxYrxNhkj4RxbYsuTvEW2b K1kjq2ngfHrcg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 4139BC41614; Fri, 9 Jan 2026 12:19:01 +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: Fri, 09 Jan 2026 12:19:00 +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 #10 from Thomas Jetzinger (thomas@jetzinger.com) --- Created attachment 309154 --> https://bugzilla.kernel.org/attachment.cgi?id=3D309154&action=3Dedit Tested with dynamic debug enabled. s2idle suspend/resume issue: After resume, Thunderbolt xHCI (00:0d.0) reports "root hub lost power": usb usb1: root hub lost power or was reset usb usb2: root hub lost power or was reset usb 2-3: Waited 2000ms for CONNECT usb 2-3: can't resume, status -19 usb 2-3: USB disconnect r8152-cfgselector 2-3.1: USB disconnect All USB3 devices on Bus 2 disconnect and don't recover. Requires reboot. Full dmesg with xhci_hcd and usbcore debug attached. Kernel: 6.18.3-arch1-1 --=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.=