Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752508AbcLZMvB (ORCPT ); Mon, 26 Dec 2016 07:51:01 -0500 Received: from mx2.suse.de ([195.135.220.15]:48098 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751596AbcLZMvA (ORCPT ); Mon, 26 Dec 2016 07:51:00 -0500 Date: Mon, 26 Dec 2016 13:50:55 +0100 From: Michal Hocko To: kernel test robot Cc: Nils Holland , Mel Gorman , Johannes Weiner , Vladimir Davydov , Tetsuo Handa , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Chris Mason , David Sterba , linux-btrfs@vger.kernel.org, lkp@01.org Subject: Re: [lkp-developer] [mm, memcg] d18e2b2aca: WARNING:at_mm/memcontrol.c:#mem_cgroup_update_lru_size Message-ID: <20161226125055.GC20715@dhcp22.suse.cz> References: <20161223144738.GB23117@dhcp22.suse.cz> <20161225222556.GH19366@yexl-desktop> <20161226122651.GA20715@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161226122651.GA20715@dhcp22.suse.cz> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1034 Lines: 22 On Mon 26-12-16 13:26:51, Michal Hocko wrote: > On Mon 26-12-16 06:25:56, kernel test robot wrote: [...] > > [ 95.226364] init: tty6 main process (990) killed by TERM signal > > [ 95.314020] init: plymouth-upstart-bridge main process (1039) terminated with status 1 > > [ 97.588568] ------------[ cut here ]------------ > > [ 97.594364] WARNING: CPU: 0 PID: 1055 at mm/memcontrol.c:1032 mem_cgroup_update_lru_size+0xdd/0x12b > > [ 97.606654] mem_cgroup_update_lru_size(40297f00, 0, -1): lru_size 1 but empty > > [ 97.615140] Modules linked in: > > [ 97.618834] CPU: 0 PID: 1055 Comm: killall5 Not tainted 4.9.0-mm1-00095-gd18e2b2 #82 > > [ 97.628008] Call Trace: > > [ 97.631025] dump_stack+0x16/0x18 > > [ 97.635107] __warn+0xaf/0xc6 > > [ 97.638729] ? mem_cgroup_update_lru_size+0xdd/0x12b > > Do you have the full backtrace? It's not needed. I found the bug in my patch and it should be fixed by the updated patch http://lkml.kernel.org/r/20161226124839.GB20715@dhcp22.suse.cz -- Michal Hocko SUSE Labs