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 6ABBDC433FE for ; Fri, 30 Sep 2022 11:30:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231359AbiI3Lao (ORCPT ); Fri, 30 Sep 2022 07:30:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230057AbiI3L3t (ORCPT ); Fri, 30 Sep 2022 07:29:49 -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 24BAC2ED7A; Fri, 30 Sep 2022 04:20:46 -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 1oeE4S-0005oY-TH; Fri, 30 Sep 2022 13:20:44 +0200 Message-ID: Date: Fri, 30 Sep 2022 13:20:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [regression] Bug 216426 - USB-C port is incorrectly reporting that it's powered when Dell XPS 15-9500 is unplugged #forregzbot 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;1664536847;b67a08ba; X-HE-SMSGID: 1oeE4S-0005oY-TH Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org TWIMC: this mail is primarily send for documentation purposes and for regzbot, my Linux kernel regression tracking bot. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter. On 26.09.22 16:25, Thorsten Leemhuis wrote: > 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 Looks like nobody yet check if the problem happens with mainline, so let's stick to the backport for now: #regzbot introduced: 0fbb5ce2f4267 > 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.