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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 52D37C43382 for ; Wed, 26 Sep 2018 18:34:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D2772151D for ; Wed, 26 Sep 2018 18:34:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D2772151D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728137AbeI0Ass (ORCPT ); Wed, 26 Sep 2018 20:48:48 -0400 Received: from mga17.intel.com ([192.55.52.151]:38812 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726042AbeI0Asr (ORCPT ); Wed, 26 Sep 2018 20:48:47 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Sep 2018 11:34:32 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,307,1534834800"; d="scan'208";a="92136934" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga004.fm.intel.com with SMTP; 26 Sep 2018 11:34:30 -0700 Received: by lahna (sSMTP sendmail emulation); Wed, 26 Sep 2018 21:34:29 +0300 Date: Wed, 26 Sep 2018 21:34:29 +0300 From: Mika Westerberg To: Mario Limonciello Cc: dvhart@infradead.org, Andy Shevchenko , LKML , platform-driver-x86@vger.kernel.org Subject: Re: [PATCH] platform/x86: intel-wmi-thunderbolt: Add dynamic debugging Message-ID: <20180926183429.GP2664@lahna.fi.intel.com> References: <1537978258-2907-1-git-send-email-mario.limonciello@dell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1537978258-2907-1-git-send-email-mario.limonciello@dell.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 26, 2018 at 11:10:58AM -0500, Mario Limonciello wrote: > Some users have been reporting issues with thunderbolt being turned off > before fully initialized. This is suspected to be caused by userspace > turning off the Thunderbolt controller using intel-wmi-thunderbolt > prematurely. > > Details are available here: > https://bugzilla.kernel.org/show_bug.cgi?id=201227 > https://bugzilla.kernel.org/show_bug.cgi?id=199631 > > Userspace has already made some mitigiations for this situation: ^^^^^^^^^^^^ mitigations? > https://github.com/hughsie/fwupd/commit/ef6f1d76983c9b66 > https://github.com/hughsie/fwupd/commit/c07ce5b4889a5384 > > To allow easier debugging of this situation add output that can be turned > on with dynamic debugging to better root cause this problem. > > Suggested-by: Mika Westerberg > Signed-off-by: Mario Limonciello Reviewed-by: Mika Westerberg