From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933768AbdAEX2a (ORCPT ); Thu, 5 Jan 2017 18:28:30 -0500 Received: from mga07.intel.com ([134.134.136.100]:32553 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752595AbdAEX2X (ORCPT ); Thu, 5 Jan 2017 18:28:23 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,322,1477983600"; d="scan'208";a="210156668" Date: Thu, 5 Jan 2017 15:28:00 -0800 From: "Raj, Ashok" To: Borislav Petkov Cc: Alexander Alemayhu , Daniel J Blueman , Paul Menzel , tony.luck@intel.com, linux@leemhuis.info, len.brown@intel.com, Linux Kernel , ashok.raj@intel.com Subject: Re: Dell XPS13: MCE (Hardware Error) reported Message-ID: <20170105232800.GA82321@otc-brkl-03> References: <20170105201034.GA15245@gmail.com> <20170105203146.egi3kveypclmwllp@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170105203146.egi3kveypclmwllp@pd.tnic> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Boris On Thu, Jan 05, 2017 at 09:31:47PM +0100, Borislav Petkov wrote: > On Thu, Jan 05, 2017 at 09:10:34PM +0100, Alexander Alemayhu wrote: > > Not sure if it is related, but I am also seeing those messages on my > > MacBookPro11,3: > > Yours look to me like thermal throttling MCEs. And TBH we whould > not issue those as actual MCEs because they are not - they *signal* > overheating condition only and should be handled differently. After looking at the code, seems like these events are logged as MCE's but are really picked from real lvt thermal event interrupts. via a fake bank 128 for MCE_THERMAL. These are not really HW MCE's, but fake ones created and logged as mcelog entries. (arch/x86/kernel/cpu/mcheck/therm_throt.c)