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 E8A5F1F3BA4 for ; Tue, 30 Dec 2025 11:54:56 +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=1767095697; cv=none; b=KYhIOShkzrx4IsaeSiAmL/FLKCLtXBN5kz+Vq/ksRaUWNHL9sPRcXyXBYRJbbi0WcaakvK0IalEXrTUjVYXhXDp7vNqVrRgrTKvDwSISlTwnU8oyWvgV82i7sJ5hjmDa4y5ApOGqQFpbItuccnGVD3DJ2eFgsEKHGoxOYRfxM6E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767095697; c=relaxed/simple; bh=SRcuPUu3svl0PB7Yp62kpOLtVntaRxux1aVOwLi9OwU=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=OBJ1aCPrYN+K9oa3mtLDjRKCqH63ufZkZBf2O30mMjEgRn6dSr5+IBF5oVaa43YoyzSUWzk5mpEHFGkbSP3nWgmuUEEburyTKbIE0hu6K1yoEbd96CQD8RLvLqfpcYIbuYHJLEc+h01KXTELRssqAx4zASu5L6xQcyakbpkw81M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O6HUWEhO; 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="O6HUWEhO" Received: by smtp.kernel.org (Postfix) with ESMTPS id 99F2FC4CEFB for ; Tue, 30 Dec 2025 11:54:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767095696; bh=SRcuPUu3svl0PB7Yp62kpOLtVntaRxux1aVOwLi9OwU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=O6HUWEhOl0BJUYCOUoIzJWj+/ydBBK4RhFdq/x2uof3NivbfZJPNF5IoCiHNJnPJA /wjBGNW9dCO5qZg3zt4kgSKZVdBsddu7Fuyj0355V7RBwL7ZBFVGJbh6cPSgMd+eyl vwt2eJy4d/dFdcUzEWHFU6L1zoEVj7A84Tb2ncZAkxZq6MWZnDb1XaNDjrNko0PG2M yi1Km6t4aHBvdAHkR2dT/pSz0yf/fxmlYC6vmsIqoqxrM+y0obJU8CEdqUz7YpuQ6e MN3WHtvOGc9DoJyEQ33ZuEpcSAeyNStL6MZfn9qInE0mzyBP44RfgA/8LG6gsoS0JB 9LTFc3gSyBXFA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 927A6C41614; Tue, 30 Dec 2025 11:54:56 +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: Tue, 30 Dec 2025 11:54:56 +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: heikki.krogerus@linux.intel.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=3D220904 Heikki Krogerus (heikki.krogerus@linux.intel.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mika.westerberg@linux.intel | |.com --- Comment #1 from Heikki Krogerus (heikki.krogerus@linux.intel.com) --- There are no logs here so I'm not completely sure what's going on, but the symptoms sound very similar to a know issue with USB4/TBT where the PCI dev= ices fail to enumerate after resume. This probable is not a Type-C issue, because this is UCSI system, and UCSI = is just a status interface. But you can always confirm that by disabling the u= csi drivers before reproducing the issues. --=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.=