linux-kernel - Re: hard lock-up with 4.14 git

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Message-ID: <20171013115604.GD235@x4>
Date:   Fri, 13 Oct 2017 13:56:04 +0200
From:   Markus Trippelsdorf <markus@...ppelsdorf.de>
To:     Prakash Punnoor <prakash@...noor.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, luto@...nel.org,
        mingo@...nel.org
Subject: Re: hard lock-up with 4.14 git

On 2017.10.13 at 13:39 +0200, Prakash Punnoor wrote:
> after some use (eg. compiling packages) the machine locks up hard. Magic
> SysRq doesn't work.
> 
> I had trouble bisecting the offending commit. This is my third try. And
> it points to 94b1b03b519b81c494900cb112aa00ed205cc2d9 "x86/mm: Rework
> lazy TLB mode and TLB freshness tracking".
> 
> Does it make sense? It still locks up with master. Please let me know if
> you need more infos. Please CC, as I am not subscribed.

This is a known issue. The fix is here:
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1508009.html

-- 
Markus