From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933794AbaFSQg0 (ORCPT ); Thu, 19 Jun 2014 12:36:26 -0400 Received: from mta-out1.inet.fi ([62.71.2.198]:43828 "EHLO jenni1.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932213AbaFSQgZ (ORCPT ); Thu, 19 Jun 2014 12:36:25 -0400 Date: Thu, 19 Jun 2014 19:36:14 +0300 From: "Kirill A. Shutemov" To: Peter Maloney , Rik van Riel Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Kamal Mostafa , Greg Kroah-Hartman Subject: Re: kernel BUG - handle_mm_fault - Ubuntu 14.04 kernel 3.13.0-29-generic Message-ID: <20140619163614.GA24297@node.dhcp.inet.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53A30B63.107@brockmann-consult.de> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 19, 2014 at 06:10:11PM +0200, Peter Maloney wrote: > Hi, can someone please take a look at this and tell me what is going on? > > The event log reports no ECC errors. > > This machine was working fine with an older Ubuntu version, and has > failed this way twice since an upgrade 2 weeks ago. > > Symptoms include: > - load goes up high, currently 1872.72 > - "ps -ef" hangs > - this time I tested "echo w > /proc/sysrq-trigger" which made the > local shell and ssh hang, and ctrl+alt+del doesn't work, but machine > still responds to ping > > Please CC me; I'm not on the list. > > Thanks, > Peter > > > > Here's the log: > > Jun 12 15:42:42 node73 kernel: [17196.908781] ------------[ cut here > ]------------ > Jun 12 15:42:42 node73 kernel: [17196.909789] kernel BUG at > /build/buildd/linux-3.13.0/mm/memory.c:3756! Looks like this: http://lkml.org/lkml/2014/5/8/275 It seems the commit 107437febd49 has added to 3.13.11.3 "extended stable", but not in other -stable. Rik, should it be there too? -- Kirill A. Shutemov