From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757889AbdJML4I (ORCPT ); Fri, 13 Oct 2017 07:56:08 -0400 Received: from ud10.udmedia.de ([194.117.254.50]:57104 "EHLO mail.ud10.udmedia.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751889AbdJML4H (ORCPT ); Fri, 13 Oct 2017 07:56:07 -0400 Date: Fri, 13 Oct 2017 13:56:04 +0200 From: Markus Trippelsdorf To: Prakash Punnoor Cc: LKML , luto@kernel.org, mingo@kernel.org Subject: Re: hard lock-up with 4.14 git Message-ID: <20171013115604.GD235@x4> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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