From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2916C32771 for ; Mon, 26 Sep 2022 15:43:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232660AbiIZPnr (ORCPT ); Mon, 26 Sep 2022 11:43:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236293AbiIZPmM (ORCPT ); Mon, 26 Sep 2022 11:42:12 -0400 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8234::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6218F74BB3; Mon, 26 Sep 2022 07:25:49 -0700 (PDT) Received: from [2a02:8108:963f:de38:eca4:7d19:f9a2:22c5]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1ocp3M-0004wE-02; Mon, 26 Sep 2022 16:25:48 +0200 Message-ID: Date: Mon, 26 Sep 2022 16:25:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.1 Subject: Re: [regression] Bug 216426 - USB-C port is incorrectly reporting that it's powered when Dell XPS 15-9500 is unplugged Content-Language: en-US, de-DE From: Thorsten Leemhuis To: "regressions@lists.linux.dev" Cc: LKML , "linux-usb@vger.kernel.org" References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1664202349;d39cb28d; X-HE-SMSGID: 1ocp3M-0004wE-02 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01.09.22 11:07, Thorsten Leemhuis wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=216426 > >> Mattia Orlandi 2022-08-29 17:04:21 UTC >> >> System >> ------ >> - Dell XPS 15 9500 >> - 5.19.4 kernel >> >> Problem description >> ------------------- >> Whenever I plug and then unplug my laptop from AC power using the USB-C port, the system thinks it is still plugged in (i.e., the KDE applet reports "Plugged in but still discharging"). >> If I check in Dell's BIOS, it correctly reports when the power supply is plugged/unplugged; `acpi -V` also correctly shows `Adapter 0: off-line`. >> >> On the other hand, `upower -d` incorrectly reports `/org/freedesktop/UPower/devices/line_power_ucsi_source_psy_USBC000o002` as `online: yes`. >> Moreover, `journalctl` reports `ucsi_acpi USBC000:00: ucsi_handle_connector_change: GET_CONNECTOR_STATUS failed (-110)`. >> >> I'm testing the LTS kernel (5.15.63) and the issue does not occur, so I assume it's a regression bug, possibly introduced in kernel 5.18 (I tried downgrading the kernel to version 5.18.16 and the issue was already present). > > See the ticket for more details. Apologies if I forwarded it to the > wrong folks, I cover a lot of ground and thus sometimes get things > wrong. :-/ > > BTW, I'd also like to add the report to the list of tracked regressions > to ensure it's doesn't fall through the cracks in the end: > > #regzbot introduced: v5.15..v5.18 > https://bugzilla.kernel.org/show_bug.cgi?id=216426 > #regzbot ignore-activity #regzbot introduced: f7090e0ef360d674f0 Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) P.S.: As the Linux kernel's regression tracker I deal with a lot of reports and sometimes miss something important when writing mails like this. If that's the case here, don't hesitate to tell me in a public reply, it's in everyone's interest to set the public record straight.