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=-4.0 required=3.0 tests=BAYES_00, 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 10CBDC43457 for ; Tue, 28 Jul 2020 12:32:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E74F020714 for ; Tue, 28 Jul 2020 12:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729701AbgG1McH (ORCPT ); Tue, 28 Jul 2020 08:32:07 -0400 Received: from mga11.intel.com ([192.55.52.93]:14685 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729571AbgG1McF (ORCPT ); Tue, 28 Jul 2020 08:32:05 -0400 IronPort-SDR: I8pWUMARg2m+9SG5GPJiipL7YRfaz2hIem85gMYMYDNmHbfjLLzaPTgAZ9wUy3+n5plwnqjiqU FfDHIBbFR1qQ== X-IronPort-AV: E=McAfee;i="6000,8403,9695"; a="149058119" X-IronPort-AV: E=Sophos;i="5.75,406,1589266800"; d="scan'208";a="149058119" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2020 05:32:04 -0700 IronPort-SDR: 4YjtbwCd5BbR2ffPSzRSejd71IJXA9RDCTUG/Rj6Y8wr7IhPWeHpPKIEvnmK75T7nbnhpGU+qW FzBO9DnLRDWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,406,1589266800"; d="scan'208";a="394317464" Received: from kuha.fi.intel.com ([10.237.72.162]) by fmsmga001.fm.intel.com with SMTP; 28 Jul 2020 05:32:01 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Tue, 28 Jul 2020 15:32:00 +0300 Date: Tue, 28 Jul 2020 15:32:00 +0300 From: Heikki Krogerus To: =?iso-8859-1?Q?J=FCrgen?= Stauber Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: High load from process irq/65-i2c-INT3 - kernel module tps6598x Message-ID: <20200728123200.GF883641@kuha.fi.intel.com> References: <376EFB02-6CA2-4D5A-883B-7843B6F6B6EC@icloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <376EFB02-6CA2-4D5A-883B-7843B6F6B6EC@icloud.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hi Jürgen, I'm sorry about the late reply (vacation). On Mon, Jul 20, 2020 at 06:31:04PM +0200, Jürgen Stauber wrote: > Hi all, > > I was made aware in the following launchpad bug report, that I should report > the issue directly with the upstream maintainers: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511 > > > As mentioned in the report, I experience high cpu load due to an interrupted > irq/65-i2c-INT3 process. A short fix is to unload the kernel module tps6598x. > > Please be lenient with me, since I’ve got no glue whether I’m doing this > correctly. > > In case you need more details/logs/information, please let me know. 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. Unfortunately I don't have access to NUC10 at the moment, but I'll try get one. Br, -- heikki