From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756598Ab2IQPjg (ORCPT ); Mon, 17 Sep 2012 11:39:36 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:63809 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755494Ab2IQPjf (ORCPT ); Mon, 17 Sep 2012 11:39:35 -0400 Message-ID: <50574432.5040005@suse.cz> Date: Mon, 17 Sep 2012 17:39:30 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120825 Thunderbird/15.0 MIME-Version: 1.0 To: Michel Lespinasse CC: linux-mm@kvack.org, LKML , Andrea Arcangeli , Jiri Slaby Subject: Re: BUG at mm/huge_memory.c:1428! References: <50522275.7090709@suse.cz> <50538561.8030505@suse.cz> In-Reply-To: <50538561.8030505@suse.cz> X-Enigmail-Version: 1.4.4 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/14/2012 09:28 PM, Jiri Slaby wrote: > On 09/14/2012 12:46 AM, Michel Lespinasse wrote: >> On Thu, Sep 13, 2012 at 11:14 AM, Jiri Slaby wrote: >>> Hi, >>> >>> I've just get the following BUG with today's -next. It happens every >>> time I try to update packages. >>> >>> kernel BUG at mm/huge_memory.c:1428! >> >> That is very likely my bug. >> >> Do you have the message that should be printed right above the bug ? >> ( printk(KERN_ERR "mapcount %d page_mapcount %d\n", >> mapcount, page_mapcount(page)); >> ) > > Unfortunately no. And I cannot reproduce anymore :(... FWIW: mapcount 0 page_mapcount 1 It happened today. Now I'm going to apply your patch. > thanks, -- js suse labs