Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933296AbZIDJAd (ORCPT ); Fri, 4 Sep 2009 05:00:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932979AbZIDJAc (ORCPT ); Fri, 4 Sep 2009 05:00:32 -0400 Received: from mail.memset.com ([89.200.136.113]:44266 "EHLO mail.memset.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932920AbZIDJAb (ORCPT ); Fri, 4 Sep 2009 05:00:31 -0400 Date: Fri, 4 Sep 2009 10:00:39 +0100 From: Nick Craig-Wood To: KAMEZAWA Hiroyuki Cc: Pekka Enberg , linux-kernel@vger.kernel.org, Andrew Morton , Linus Torvalds Subject: Re: Reading /proc/kcore causes a BUG() Message-ID: <20090904090039.GA25804@craig-wood.com> References: <20090903113428.GA6986@craig-wood.com> <84144f020909030514k1d9fe596pf2c4d8ffa45f7af@mail.gmail.com> <20090904090642.f727458b.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20090904090642.f727458b.kamezawa.hiroyu@jp.fujitsu.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1468 Lines: 41 On Fri, Sep 04, 2009 at 09:06:42AM +0900, KAMEZAWA Hiroyuki wrote: > On Thu, 3 Sep 2009 15:14:55 +0300 > Pekka Enberg wrote: > > On Thu, Sep 3, 2009 at 2:34 PM, Nick Craig-Wood wrote: > > > Is a fix for this going to make 2.6.31? > > > > > > To replicate > > > > > > ?cat /proc/kcore >/dev/null > > > > > > See also > > > > > > ?http://bugzilla.kernel.org/show_bug.cgi?id=13850 [snip] > > > I tried this on the latest git checkout (as of 2009-09-03 11:00 GMT) > > > under Xen as a domU. ?The bugzilla report states it happens on non xen > > > machines also. > > > > > > I know reading /proc/kcore isn't such a good idea, but badly written > > > backup scripts are triggering this on our customer's servers :-( > > > > AFAICT the bug was fixed but I can't seem to find the patches in > > Linus' git either. Lets CC Andrew and Hiroyuki-san. > > Ah, it's now tested under mmotm. please wait. I tried mmotm but I couldn't get it to boot under Xen :-( If you send me a patch against latest git I'm willing to test it (I tried to extract the relevant patch from mmotm but failed dismally) Thanks Nick -- Nick Craig-Wood -- http://www.craig-wood.com/nick -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/