From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932148AbaGNNlK (ORCPT ); Mon, 14 Jul 2014 09:41:10 -0400 Received: from mout.kundenserver.de ([212.227.17.10]:54747 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754483AbaGNNlF (ORCPT ); Mon, 14 Jul 2014 09:41:05 -0400 Message-ID: <53C3DDE7.6000108@brockmann-consult.de> Date: Mon, 14 Jul 2014 15:40:55 +0200 From: Peter Maloney User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "Kirill A. Shutemov" , 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 References: <20140619163614.GA24297@node.dhcp.inet.fi> In-Reply-To: <20140619163614.GA24297@node.dhcp.inet.fi> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:9g2pXndD4PIDaYeyaPkqt7y5b8rfAIo2x04GRLAY9jl BBlpkEFCeud4J0QGcqV2s7kK8rjkNgIOzu5rTgVM5i/+vv4HKc +f6AEj59lc4uUsAy8kaZEl82SaaAcDzqJ7WSkj85t+TSOcCwgS 5QkrK51i/SjNBPpuK2P+6v2PeT050nz/LRJPMy4oZkyaKdzaW6 63gynMP5nsPcfHgeuhZkb7/jvRNZMUKk8h2tWT8jAfn6eeEiwI dTSiCcwF18pVGapTvTotxrS2TWPgwd0f6MkaYc4RQlWOLshFpo VktwmvscmYbKP9eo1YrlQzgEmg8rDpS4tmfqYEfNrWtsqotg42 eEPN9x8P3oxnw0khv8yJ9Jkj3UVqjvsa0sFO51WI1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2014-06-19 18:36, Kirill A. Shutemov wrote: > 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? > Hello again, I just wanted to say that I have built a kernel with this fix on Jun 26, deployed it on the problem machines, and it has been stable ever since.