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 X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7D17C433DF for ; Sat, 1 Aug 2020 04:55:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F49B2072A for ; Sat, 1 Aug 2020 04:55:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="cLQnd51k" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725801AbgHAEzP (ORCPT ); Sat, 1 Aug 2020 00:55:15 -0400 Received: from st43p00im-zteg10072001.me.com ([17.58.63.167]:42231 "EHLO st43p00im-zteg10072001.me.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbgHAEzO (ORCPT ); Sat, 1 Aug 2020 00:55:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1596257713; bh=/lGfYgpgU3rjk/7nACkAZxTe8aQjFNEo8HGM/KtHBog=; h=Content-Type:From:Mime-Version:Subject:Date:Message-Id:To; b=cLQnd51kHmbJI0SZ6MNm/5h3hB4QkA09HLVzHtCISCmn6CoCTQ6JTxVU1/TXkjA3Y cdIeFYByY7hBVsyRwNHEiPdg/TnG3vqn09SBZGTy1NNw856Rxlm7e71A8PmfJy3RO4 FnDWqZKRj0x2rdbMueYE8QnPXYtuifYC6fIkrPob+gANhtKi4gYWFBM4e8mfrRVzl+ rs2XQf7ux+FWokuRwRm7WcLmHP21aEauPFFrEbNBwAO3mVbhXtF6g8uQNggkiykLMp +HTAa9QfKePNiXq2FtlORlrBodGaWdNI7aKccNWpQ+QHzl2oml/fHVAMm7uS/0KyoA x2ozB+Vc5Vu5Q== Received: from localhost (84-114-122-94.cable.dynamic.surfer.at [84.114.122.94]) by st43p00im-zteg10072001.me.com (Postfix) with ESMTPSA id D9FDEC03F2; Sat, 1 Aug 2020 04:55:12 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: =?utf-8?Q?J=C3=BCrgen_Stauber?= Mime-Version: 1.0 (1.0) Subject: Re: High load from process irq/65-i2c-INT3 - kernel module tps6598x Date: Sat, 1 Aug 2020 06:55:10 +0200 Message-Id: <2FD98070-4BF0-482B-979A-3E61574E63C3@icloud.com> References: <20200728123200.GF883641@kuha.fi.intel.com> Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20200728123200.GF883641@kuha.fi.intel.com> To: Heikki Krogerus X-Mailer: iPhone Mail (18A5332f) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-08-01_01:2020-07-31,2020-08-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2004280000 definitions=main-2008010037 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi Heikki, unfortunately I didn=E2=80=99t find any UCMCx option within the UEFI bios.=20= kr, J=C3=BCrgen > On 28.07.2020, at 14:32, Heikki Krogerus = wrote: >=20 > =EF=BB=BFHi J=C3=BCrgen, >=20 > I'm sorry about the late reply (vacation). >=20 >> On Mon, Jul 20, 2020 at 06:31:04PM +0200, J=C3=BCrgen Stauber wrote: >> Hi all, >>=20 >> I was made aware in the following launchpad bug report, that I should rep= ort >> the issue directly with the upstream maintainers: >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511 >> >>=20 >> As mentioned in the report, I experience high cpu load due to an interrup= ted >> irq/65-i2c-INT3 process. A short fix is to unload the kernel module tps65= 98x. >>=20 >> Please be lenient with me, since I=E2=80=99ve got no glue whether I=E2=80= =99m doing this >> correctly. >>=20 >> In case you need more details/logs/information, please let me know. >=20 > There is one thing that you may be able to try. If you can enter the > BIOS menu, then you should be able to disable an option called > "UCMCx". Unfortunately I don't know the full path to that option in > the BIOS menu of the NUC, or is entering the BIOS menu possible in the > first place. It is also possible that there is no option "UCMCx" at > all. >=20 > Unfortunately I don't have access to NUC10 at the moment, but I'll try > get one. >=20 > Br, >=20 > --=20 > heikki