From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f53.google.com (mail-pa0-f53.google.com [209.85.220.53]) by kanga.kvack.org (Postfix) with ESMTP id 75D0A6B0038 for ; Tue, 2 Dec 2014 20:10:28 -0500 (EST) Received: by mail-pa0-f53.google.com with SMTP id kq14so14599342pab.12 for ; Tue, 02 Dec 2014 17:10:28 -0800 (PST) Received: from lgemrelse7q.lge.com (LGEMRELSE7Q.lge.com. [156.147.1.151]) by mx.google.com with ESMTP id z13si35963738pbv.45.2014.12.02.17.10.25 for ; Tue, 02 Dec 2014 17:10:26 -0800 (PST) Date: Wed, 3 Dec 2014 10:13:53 +0900 From: Joonsoo Kim Subject: Re: [mm] BUG: unable to handle kernel paging request at c2446ffc Message-ID: <20141203011353.GA10084@js1304-P5Q-DELUXE> References: <20141202043638.GB6268@js1304-P5Q-DELUXE> <20141202050417.GA10296@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20141202050417.GA10296@wfg-t540p.sh.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: Fengguang Wu Cc: LKP , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Mon, Dec 01, 2014 at 09:04:17PM -0800, Fengguang Wu wrote: > > Hello, Fengguang. > > > > First of all, thanks for reporting! > > It always helps me a lot. > > > > But, in this time, I can't reproduce this failure with your attached > > Judging from the bisect log, it showed up once per 26 boots, so may > not be easy to reproduce. The other bisect below looks easier to > reproduce. > > > configuration. Instead of this failure, sometimes, OOM happens in my > > testing with your configuration. I don't know why it happens. :) > > Yes, it's not really obvious how the change will be related to this BUG. > > > Could you have another configuration to trigger this bug? > > Sure. Below is another bisect result. Hello, Fengguang. Great! I can reproduce the problem with you another bisect result. Thanks a lot! Will send the fix to Andrew. 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