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 34F2D1F560D for ; Tue, 4 Mar 2025 08:44:17 +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=1741077858; cv=none; b=N0GgrSADiAdYO0sJedK572f1LJfqL8ENGoWqf4sLLqVz4jiQGWlmFdUllEO2FZbAt6L72/Joq0amd16mKR4tqCXG08L7yiZ88TdB6KxJ0NxDo6TeNGROEAkhHZrmw/0U4P8fUjm8QfArBh9XhpA0O6FOrS9FE++GaxUBJ7pMu0c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741077858; c=relaxed/simple; bh=fpv09pRETYKaUVmZ6xU2JycSCfPZXyNWxS95izkIY1c=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=dxhvVLwWUv0YMPVYhQqSWilWPBXS/MsvQVxF3Dafe3s/4RZY0Nv8meTHXtT7xIOHGkLsWV2TWFzANKg59CrKhp3ys8IO2eiVcx6/OWEL7I9ATEVUCIbQccgbKv2oDkB0bmvplgdIhXCoGaGJ66rN2wAlk3W9CkDmdKJa2A174ho= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=okZw2gEk; 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="okZw2gEk" Received: by smtp.kernel.org (Postfix) with ESMTPS id 54D77C4CEE9 for ; Tue, 4 Mar 2025 08:44:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741077857; bh=fpv09pRETYKaUVmZ6xU2JycSCfPZXyNWxS95izkIY1c=; h=From:To:Subject:Date:In-Reply-To:References:From; b=okZw2gEkVCI5icRWISXciaiZqQZFYsTGECS93bAPJubd6lHjToHHq2BuWP2l2DNyb KmXQOwzbSwmmnZ6hP/i2zjDgLgRF/pKRl58de2Le6g7/ah18L9K++91VuqDNqOn9qf QqVWAfAhHA7lwVo//Guj5jAq+FCNmJB/fY/OQlp5pitnKGUUDFWgR/SbGez74Z5E8C EWi7ZQTFym5ic8x1KuXFkvF/Hz32krAHZaoMz1FRK6YM+GWrphSORDJqONkxEgQDZb PhqDcELSk6q/z1ray5EbYauerc8OYDfs+5T/30fzTSNyPuy8scSUrzQtvGxzJf+LSF RNAk2xJrBmy2A== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 45248C433E1; Tue, 4 Mar 2025 08:44:17 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 219748] Pluggable UD-4VPD dock appears to continually reset with AMD AI 365 Date: Tue, 04 Mar 2025 08:44:17 +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: mika.westerberg@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: 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=3D219748 --- Comment #16 from Mika Westerberg (mika.westerberg@linux.intel.com) --- Thanks! So we have: [ 56.773330] thunderbolt 0000:c6:00.6: 0:3: hotplug: scanning [ 56.773335] thunderbolt 0000:c6:00.6: 0:3: hotplug: no switch found [ 56.773349] thunderbolt 0000:c6:00.6: acking hot plug event on 0:2 [ 56.773362] thunderbolt 0000:c6:00.6: 0:2: hotplug: scanning [ 56.773504] thunderbolt 0000:c6:00.6: 0:2: is connected, link is up (sta= te: 2) [ 56.773515] thunderbolt 0000:c6:00.6: 0:2: waiting for a while [ 57.371077] thunderbolt 0000:c6:00.6: acking hot unplug event on 0:3 [ 57.371143] thunderbolt 0000:c6:00.6: acking hot unplug event on 0:2 [ 57.692761] thunderbolt 0000:c6:00.6: acking hot plug event on 0:3 [ 57.692828] thunderbolt 0000:c6:00.6: acking hot plug event on 0:2 [ 58.291125] thunderbolt 0000:c6:00.6: acking hot unplug event on 0:2 [ 58.291217] thunderbolt 0000:c6:00.6: acking hot unplug event on 0:3 [ 59.430462] thunderbolt 0000:c6:00.6: 0:2: .. done, trying to enumerate = the router In other words there is some ~600ms timeout in the pluggable device that triggers hot-remove and then hot-add if the device is not enumerated. This = is naturally the USB4 spec, as far as I can tell the host does not need to enumerate the device at all actually. --=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.=