linux-kernel - Re: Dell XPS13: MCE (Hardware Error) reported

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Message-ID: <20170106012617.GA28713@otc-nc-03>
Date:   Thu, 5 Jan 2017 17:26:17 -0800
From:   "Raj, Ashok" <ashok.raj@...el.com>
To:     Borislav Petkov <bp@...e.de>
Cc:     Alexander Alemayhu <alexander@...mayhu.com>,
        Daniel J Blueman <daniel@...ra.org>,
        Paul Menzel <pmenzel@...gen.mpg.de>, tony.luck@...el.com,
        linux@...mhuis.info, len.brown@...el.com,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        ashok.raj@...el.com
Subject: Re: Dell XPS13: MCE (Hardware Error) reported

On Fri, Jan 06, 2017 at 12:56:11AM +0100, Borislav Petkov wrote:
> Oh, and it's not like the user can do anything - there's a thermald
> which is supposed to deal with all that. Which is not really
> trouble-free too, TBH. What happens if that thing dies? Fried CPU?
> 
> So I say we should rip out that mce_log_therm_throt_event() and never
> ever handle thermal events with MCEs. It is a bad idea.

Agree, since we have both a log and another agent to deal with it, it makes
no good reason to continue... Will pass this along, and have someone look at
cleaning this up.


Cheers,
Ashok