From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762234Ab3IDIS7 (ORCPT ); Wed, 4 Sep 2013 04:18:59 -0400 Received: from gmmr3.centrum.cz ([46.255.225.251]:35171 "EHLO gmmr3.centrum.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762130Ab3IDISz (ORCPT ); Wed, 4 Sep 2013 04:18:55 -0400 To: =?utf-8?q?Johannes_Weiner?= Subject: =?utf-8?q?Re=3A_=5Bpatch_0=2F7=5D_improve_memcg_oom_killer_robustness_v2?= Date: Wed, 04 Sep 2013 10:18:52 +0200 From: "azurIt" Cc: =?utf-8?q?Andrew_Morton?= , =?utf-8?q?Michal_Hocko?= , =?utf-8?q?David_Rientjes?= , =?utf-8?q?KAMEZAWA_Hiroyuki?= , =?utf-8?q?KOSAKI_Motohiro?= , , , , , References: <1375549200-19110-1-git-send-email-hannes@cmpxchg.org>, <20130803170831.GB23319@cmpxchg.org>, <20130830215852.3E5D3D66@pobox.sk>, <20130902123802.5B8E8CB1@pobox.sk> <20130903204850.GA1412@cmpxchg.org> In-Reply-To: <20130903204850.GA1412@cmpxchg.org> X-Mailer: Centrum Email 5.3 X-Priority: 3 X-Original-From: azurit@pobox.sk MIME-Version: 1.0 Message-Id: <20130904101852.58E70042@pobox.sk> X-Maser: brud Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > CC: "Andrew Morton" , "Michal Hocko" , "David Rientjes" , "KAMEZAWA Hiroyuki" , "KOSAKI Motohiro" , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org >Hello azur, > >On Mon, Sep 02, 2013 at 12:38:02PM +0200, azurIt wrote: >> >>Hi azur, >> >> >> >>here is the x86-only rollup of the series for 3.2. >> >> >> >>Thanks! >> >>Johannes >> >>--- >> > >> > >> >Johannes, >> > >> >unfortunately, one problem arises: I have (again) cgroup which cannot be deleted :( it's a user who had very high memory usage and was reaching his limit very often. Do you need any info which i can gather now? > >Did the OOM killer go off in this group? > >Was there a warning in the syslog ("Fixing unhandled memcg OOM >context")? Ok, i see this message several times in my syslog logs, one of them is also for this unremovable cgroup (but maybe all of them cannot be removed, should i try?). Example of the log is here (don't know where exactly it starts and ends so here is the full kernel log): http://watchdog.sk/lkml/oom_syslog.gz azur From mboxrd@z Thu Jan 1 00:00:00 1970 From: "azurIt" Subject: =?utf-8?q?Re=3A_=5Bpatch_0=2F7=5D_improve_memcg_oom_killer_robustness_v2?= Date: Wed, 04 Sep 2013 10:18:52 +0200 Message-ID: <20130904101852.58E70042@pobox.sk> References: <1375549200-19110-1-git-send-email-hannes@cmpxchg.org>, <20130803170831.GB23319@cmpxchg.org>, <20130830215852.3E5D3D66@pobox.sk>, <20130902123802.5B8E8CB1@pobox.sk> <20130903204850.GA1412@cmpxchg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20130903204850.GA1412@cmpxchg.org> Sender: owner-linux-mm@kvack.org To: =?utf-8?q?Johannes_Weiner?= Cc: =?utf-8?q?Andrew_Morton?= , =?utf-8?q?Michal_Hocko?= , =?utf-8?q?David_Rientjes?= , =?utf-8?q?KAMEZAWA_Hiroyuki?= , =?utf-8?q?KOSAKI_Motohiro?= , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-arch.vger.kernel.org > CC: "Andrew Morton" , "Michal Hocko" , "David Rientjes" , "KAMEZAWA Hiroyuki" , "KOSAKI Motohiro" , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, l= inux-arch@vger.kernel.org, linux-kernel@vger.kernel.org >Hello azur, > >On Mon, Sep 02, 2013 at 12:38:02PM +0200, azurIt wrote: >> >>Hi azur, >> >> >> >>here is the x86-only rollup of the series for 3.2. >> >> >> >>Thanks! >> >>Johannes >> >>--- >> > >> > >> >Johannes, >> > >> >unfortunately, one problem arises: I have (again) cgroup which cannot= be deleted :( it's a user who had very high memory usage and was reachin= g his limit very often. Do you need any info which i can gather now? > >Did the OOM killer go off in this group? > >Was there a warning in the syslog ("Fixing unhandled memcg OOM >context")? Ok, i see this message several times in my syslog logs, one of them is al= so for this unremovable cgroup (but maybe all of them cannot be removed, = should i try?). Example of the log is here (don't know where exactly it s= tarts and ends so here is the full kernel log): http://watchdog.sk/lkml/oom_syslog.gz azur -- 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