From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id C68486B003D for ; Thu, 10 Dec 2009 01:59:29 -0500 (EST) Received: by qyk15 with SMTP id 15so3269236qyk.23 for ; Wed, 09 Dec 2009 22:59:28 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <2375c9f90912090238u7487019eq2458210aac4b602@mail.gmail.com> Date: Thu, 10 Dec 2009 14:59:28 +0800 Message-ID: <2375c9f90912092259pe86356cvb716232ba7a4d604@mail.gmail.com> Subject: Re: An mm bug in today's 2.6.32 git tree From: =?UTF-8?Q?Am=C3=A9rico_Wang?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Hugh Dickins Cc: linux-mm@kvack.org, LKML List-ID: On Wed, Dec 9, 2009 at 10:49 PM, Hugh Dickins wrote: > On Wed, 9 Dec 2009, Am=C3=A9rico Wang wrote: > >> Hi, mm experts, >> >> I met the following bug in the kernel from today's git tree, accidentall= y. >> I don't know how to reproduce it, just saw it twice when doing different >> work. Machine is x86_64. >> >> Is this bug known? > > Thanks for the report. =C2=A0Not known to me. > It looks like something has corrupted the start of a pagetable. > No idea what that something might be, but probably not bad RAM. > >> >> Please feel free to let me know if you need more info. > > You say you saw it twice: please post what the other occasion > showed (unless the first six lines were identical to this and it > occurred around the same time i.e. separate report of the same). > Yes, the rest are almost the same, the only difference is the 'addr' shows different addresses. The one I reported happened when I exited vim, after editing a file. The other one happened when I did a network upload, either over NFS or ftp or something like that. Thanks. -- 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