From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) by kanga.kvack.org (Postfix) with ESMTP id 0A3E26B0035 for ; Mon, 14 Jul 2014 09:41:13 -0400 (EDT) Received: by mail-wi0-f179.google.com with SMTP id f8so1622296wiw.0 for ; Mon, 14 Jul 2014 06:41:12 -0700 (PDT) Received: from mout.kundenserver.de (mout.kundenserver.de. [212.227.17.10]) by mx.google.com with ESMTPS id gh11si10883117wic.86.2014.07.14.06.41.10 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 14 Jul 2014 06:41:10 -0700 (PDT) Message-ID: <53C3DDE7.6000108@brockmann-consult.de> Date: Mon, 14 Jul 2014 15:40:55 +0200 From: Peter Maloney MIME-Version: 1.0 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> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" , Rik van Riel Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Kamal Mostafa , Greg Kroah-Hartman 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org