From: "azurIt" <azurit@pobox.sk> To: "Michal Hocko" <mhocko@suse.cz> Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, "cgroups mailinglist" <cgroups@vger.kernel.org>, "KAMEZAWA Hiroyuki" <kamezawa.hiroyu@jp.fujitsu.com>, "Johannes Weiner" <hannes@cmpxchg.org> Subject: Re: [PATCH for 3.2.34] memcg: do not trigger OOM if PF_NO_MEMCG_OOM is set Date: Fri, 08 Feb 2013 22:02:43 +0100 [thread overview] Message-ID: <20130208220243.EDEE0825@pobox.sk> (raw) In-Reply-To: <20130208171012.GH7557@dhcp22.suse.cz> > >I assume you have checked that the killed processes eventually die, >right? > When i killed them by hand, yes, they dissappeard from process list (i saw it). I don't know if they really died when OOM killed them. >Well, I do not see anything supsicious during that time period >(timestamps translate between Fri Feb 8 02:34:05 and Fri Feb 8 >02:36:48). The kernel log shows a lot of oom during that time. All >killed processes die eventually. No, they didn't died by OOM when cgroup was freezed. Just check PIDs from memcg-bug-4.tar.gz and try to find them in kernel log. Why are all PIDs waiting on 'mem_cgroup_handle_oom' and there is no OOM message in the log? Data in memcg-bug-4.tar.gz are only for 2 minutes but i let it run for about 15-20 minutes, no single process killed by OOM. I'm 100% sure that OOM was not killing them (maybe it was trying to but it didn't happen). > >Nothing shows it would be a deadlock so far. It is well possible that >the userspace went mad when seeing a lot of processes dying because it >doesn't expect it. > Lots of processes are dying also now, without your latest patch, and no such things are happening. I'm sure there is something more it this, maybe it revealed another bug? 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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-02-08 21:02 UTC|newest]
Thread overview: 171+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20121121200207.01068046@pobox.sk>
2012-11-22 0:26 ` memory-cgroup bug Kamezawa Hiroyuki
2012-11-22 9:36 ` azurIt
2012-11-22 21:45 ` Michal Hocko
2012-11-22 15:24 ` Michal Hocko
2012-11-22 18:05 ` azurIt
2012-11-22 21:42 ` Michal Hocko
2012-11-22 22:34 ` azurIt
2012-11-23 7:40 ` Michal Hocko
2012-11-23 9:21 ` azurIt
2012-11-23 9:28 ` Michal Hocko
2012-11-23 9:44 ` azurIt
2012-11-23 10:10 ` Michal Hocko
2012-11-23 9:34 ` Glauber Costa
2012-11-23 10:04 ` Michal Hocko
2012-11-23 14:59 ` azurIt
2012-11-25 10:17 ` Michal Hocko
2012-11-25 12:39 ` azurIt
2012-11-25 13:02 ` Michal Hocko
2012-11-25 13:27 ` azurIt
2012-11-25 13:44 ` Michal Hocko
2012-11-25 0:10 ` azurIt
2012-11-25 12:05 ` Michal Hocko
2012-11-25 12:36 ` azurIt
2012-11-25 13:55 ` Michal Hocko
2012-11-26 0:38 ` azurIt
2012-11-26 7:57 ` Michal Hocko
2012-11-26 13:18 ` [PATCH -mm] memcg: do not trigger OOM from add_to_page_cache_locked Michal Hocko
2012-11-26 13:21 ` [PATCH for 3.2.34] " Michal Hocko
2012-11-26 21:28 ` azurIt
2012-11-30 1:45 ` azurIt
2012-11-30 2:29 ` azurIt
2012-11-30 12:45 ` Michal Hocko
2012-11-30 12:53 ` azurIt
2012-11-30 13:44 ` azurIt
2012-11-30 14:44 ` Michal Hocko
2012-11-30 15:03 ` Michal Hocko
2012-11-30 15:37 ` Michal Hocko
2012-11-30 15:08 ` azurIt
2012-11-30 15:39 ` Michal Hocko
2012-11-30 15:59 ` azurIt
2012-11-30 16:19 ` Michal Hocko
2012-11-30 16:26 ` azurIt
2012-11-30 16:53 ` Michal Hocko
2012-11-30 20:43 ` azurIt
2012-12-03 15:16 ` Michal Hocko
2012-12-05 1:36 ` azurIt
2012-12-05 14:17 ` Michal Hocko
2012-12-06 0:29 ` azurIt
2012-12-06 9:54 ` Michal Hocko
2012-12-06 10:12 ` azurIt
2012-12-06 17:06 ` Michal Hocko
2012-12-10 1:20 ` azurIt
2012-12-10 9:43 ` Michal Hocko
2012-12-10 10:18 ` azurIt
2012-12-10 15:52 ` Michal Hocko
2012-12-10 17:18 ` azurIt
2012-12-17 1:34 ` azurIt
2012-12-17 16:32 ` Michal Hocko
2012-12-17 18:23 ` azurIt
2012-12-17 19:55 ` Michal Hocko
2012-12-18 14:22 ` azurIt
2012-12-18 15:20 ` Michal Hocko
2012-12-24 13:25 ` azurIt
2012-12-28 16:22 ` Michal Hocko
2012-12-30 1:09 ` azurIt
2012-12-30 11:08 ` Michal Hocko
2013-01-25 15:07 ` azurIt
2013-01-25 16:31 ` Michal Hocko
2013-02-05 13:49 ` Michal Hocko
2013-02-05 14:49 ` azurIt
2013-02-05 16:09 ` Michal Hocko
2013-02-05 16:46 ` azurIt
2013-02-05 16:48 ` Greg Thelen
2013-02-05 17:46 ` Michal Hocko
2013-02-05 18:09 ` Greg Thelen
2013-02-05 18:59 ` Michal Hocko
2013-02-08 4:27 ` Greg Thelen
2013-02-08 16:29 ` Michal Hocko
2013-02-08 16:40 ` Michal Hocko
2013-02-06 1:17 ` azurIt
2013-02-06 14:01 ` Michal Hocko
2013-02-06 14:22 ` Michal Hocko
2013-02-06 16:00 ` [PATCH for 3.2.34] memcg: do not trigger OOM if PF_NO_MEMCG_OOM is set Michal Hocko
2013-02-08 5:03 ` azurIt
2013-02-08 9:44 ` Michal Hocko
2013-02-08 11:02 ` azurIt
2013-02-08 12:38 ` Michal Hocko
2013-02-08 13:56 ` azurIt
2013-02-08 14:47 ` Michal Hocko
2013-02-08 15:24 ` Michal Hocko
2013-02-08 15:58 ` azurIt
2013-02-08 17:10 ` Michal Hocko
2013-02-08 21:02 ` azurIt [this message]
2013-02-10 15:03 ` Michal Hocko
2013-02-10 16:46 ` azurIt
2013-02-11 11:22 ` Michal Hocko
2013-02-22 8:23 ` azurIt
2013-02-22 12:52 ` Michal Hocko
2013-02-22 12:54 ` azurIt
2013-02-22 13:00 ` Michal Hocko
2013-06-06 16:04 ` Michal Hocko
2013-06-06 16:16 ` azurIt
2013-06-07 13:11 ` [PATCH for 3.2] memcg: do not trap chargers with full callstack on OOM Michal Hocko
2013-06-17 10:21 ` azurIt
2013-06-19 13:26 ` Michal Hocko
2013-06-22 20:09 ` azurIt
2013-06-24 20:13 ` Johannes Weiner
2013-06-28 10:06 ` azurIt
2013-07-05 18:17 ` Johannes Weiner
2013-07-05 19:02 ` azurIt
2013-07-05 19:18 ` Johannes Weiner
2013-07-07 23:42 ` azurIt
2013-07-09 13:10 ` Michal Hocko
2013-07-09 13:19 ` azurIt
2013-07-09 13:54 ` Michal Hocko
2013-07-10 16:25 ` azurIt
2013-07-11 7:25 ` Michal Hocko
2013-07-13 23:26 ` azurIt
2013-07-13 23:51 ` azurIt
2013-07-15 15:41 ` Michal Hocko
2013-07-15 16:00 ` Michal Hocko
2013-07-16 15:35 ` Johannes Weiner
2013-07-16 16:09 ` Michal Hocko
2013-07-16 16:48 ` Johannes Weiner
2013-07-19 4:21 ` Johannes Weiner
2013-07-19 4:22 ` [patch 1/5] mm: invoke oom-killer from remaining unconverted page fault handlers Johannes Weiner
2013-07-19 4:24 ` [patch 2/5] mm: pass userspace fault flag to generic fault handler Johannes Weiner
2013-07-19 4:25 ` [patch 3/5] x86: finish fault error path with fatal signal Johannes Weiner
2013-07-24 20:32 ` Johannes Weiner
2013-07-25 20:29 ` KOSAKI Motohiro
2013-07-25 21:50 ` Johannes Weiner
2013-07-19 4:25 ` [patch 4/5] memcg: do not trap chargers with full callstack on OOM Johannes Weiner
2013-07-19 4:26 ` [patch 5/5] mm: memcontrol: sanity check memcg OOM context unwind Johannes Weiner
2013-07-19 8:23 ` [PATCH for 3.2] memcg: do not trap chargers with full callstack on OOM azurIt
2013-07-14 17:07 ` azurIt
2013-07-09 13:00 ` Michal Hocko
2013-07-09 13:08 ` Michal Hocko
2013-07-09 13:10 ` Michal Hocko
2013-06-24 16:48 ` azurIt
2013-02-22 12:00 ` [PATCH for 3.2.34] memcg: do not trigger OOM if PF_NO_MEMCG_OOM is set azurIt
2013-02-07 11:01 ` [PATCH for 3.2.34] memcg: do not trigger OOM from add_to_page_cache_locked Kamezawa Hiroyuki
2013-02-07 12:31 ` Michal Hocko
2013-02-08 4:16 ` Kamezawa Hiroyuki
2013-02-08 1:40 ` Kamezawa Hiroyuki
2013-02-08 16:01 ` Michal Hocko
2013-02-05 16:31 ` Michal Hocko
2012-12-24 13:38 ` azurIt
2012-12-28 16:35 ` Michal Hocko
2012-11-26 17:46 ` [PATCH -mm] " Johannes Weiner
2012-11-26 18:04 ` Michal Hocko
2012-11-26 18:24 ` Johannes Weiner
2012-11-26 19:03 ` Michal Hocko
2012-11-26 19:29 ` Johannes Weiner
2012-11-26 20:08 ` Michal Hocko
2012-11-26 20:19 ` Johannes Weiner
2012-11-26 20:46 ` azurIt
2012-11-26 20:53 ` Johannes Weiner
2012-11-26 22:06 ` Michal Hocko
2012-11-27 0:05 ` Kamezawa Hiroyuki
2012-11-27 9:54 ` Michal Hocko
2012-11-27 19:48 ` Johannes Weiner
2012-11-27 20:54 ` [PATCH -v2 " Michal Hocko
2012-11-27 20:59 ` Michal Hocko
2012-11-28 15:26 ` Johannes Weiner
2012-11-28 16:04 ` Michal Hocko
2012-11-28 16:37 ` Johannes Weiner
2012-11-28 16:46 ` Michal Hocko
2012-11-28 16:48 ` Michal Hocko
2012-11-28 18:44 ` Johannes Weiner
2012-11-28 20:20 ` Hugh Dickins
2012-11-29 14:05 ` Michal Hocko
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