From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: caiqian@redhat.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
akpm@linux-foundation.org, rientjes@google.com, hughd@google.com,
kamezawa.hiroyu@jp.fujitsu.com, minchan.kim@gmail.com,
oleg@redhat.com
Subject: Re: [PATCH v2 0/5] Fix oom killer doesn't work at all if system have > gigabytes memory (aka CAI founded issue)
Date: Tue, 31 May 2011 13:32:41 +0900 [thread overview]
Message-ID: <4DE46F69.4000205@jp.fujitsu.com> (raw)
In-Reply-To: <4DE46A4B.40401@jp.fujitsu.com>
(2011/05/31 13:10), KOSAKI Motohiro wrote:
> (2011/05/31 10:33), CAI Qian wrote:
>> Hello,
>>
>> Have tested those patches rebased from KOSAKI for the latest mainline.
>> It still killed random processes and recevied a panic at the end by
>> using root user. The full oom output can be found here.
>> http://people.redhat.com/qcai/oom
>
> You ran fork-bomb as root. Therefore unprivileged process was killed at first.
> It's no random. It's intentional and desirable. I mean
>
> - If you run the same progream as non-root, python will be killed at first.
> Because it consume a lot of memory than daemons.
> - If you run the same program as root, non root process and privilege explicit
> dropping processes (e.g. irqbalance) will be killed at first.
I mean, oom-killer start to kill python after killing all unprivilege process
in this case. Please wait & see ahile after sequence.
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next prev parent reply other threads:[~2011-05-31 4:33 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 8:00 KOSAKI Motohiro
2011-05-20 8:01 ` [PATCH 1/5] oom: improve dump_tasks() show items KOSAKI Motohiro
2011-05-23 22:16 ` David Rientjes
2011-05-20 8:02 ` [PATCH 2/5] oom: kill younger process first KOSAKI Motohiro
2011-05-23 2:37 ` Minchan Kim
2011-05-23 22:20 ` David Rientjes
2011-05-20 8:03 ` [PATCH 3/5] oom: oom-killer don't use proportion of system-ram internally KOSAKI Motohiro
2011-05-23 3:59 ` Minchan Kim
2011-05-24 1:14 ` KOSAKI Motohiro
2011-05-24 1:32 ` Minchan Kim
2011-05-23 4:02 ` Minchan Kim
2011-05-24 1:44 ` KOSAKI Motohiro
2011-05-24 3:11 ` KOSAKI Motohiro
2011-05-23 22:28 ` David Rientjes
2011-05-23 22:48 ` David Rientjes
2011-05-24 1:21 ` KOSAKI Motohiro
2011-05-24 8:32 ` CAI Qian
2011-05-26 7:08 ` CAI Qian
2011-05-27 19:12 ` David Rientjes
2011-05-24 2:07 ` KOSAKI Motohiro
2011-05-26 9:34 ` CAI Qian
2011-05-26 9:56 ` KOSAKI Motohiro
2011-05-20 8:04 ` [PATCH 4/5] oom: don't kill random process KOSAKI Motohiro
2011-05-23 4:31 ` Minchan Kim
2011-05-24 1:53 ` KOSAKI Motohiro
2011-05-24 8:46 ` Minchan Kim
2011-05-24 8:49 ` KOSAKI Motohiro
2011-05-24 9:04 ` Minchan Kim
2011-05-24 9:09 ` KOSAKI Motohiro
2011-05-24 9:20 ` Minchan Kim
2011-05-24 9:38 ` KOSAKI Motohiro
2011-05-23 22:32 ` David Rientjes
2011-05-24 1:35 ` KOSAKI Motohiro
2011-05-24 1:39 ` David Rientjes
2011-05-24 1:55 ` KOSAKI Motohiro
2011-05-24 1:58 ` David Rientjes
2011-05-24 2:03 ` KOSAKI Motohiro
2011-05-25 23:50 ` David Rientjes
2011-05-30 1:17 ` KOSAKI Motohiro
2011-05-31 4:48 ` David Rientjes
2011-05-31 4:54 ` KOSAKI Motohiro
2011-05-20 8:05 ` [PATCH 5/5] oom: merge oom_kill_process() with oom_kill_task() KOSAKI Motohiro
2011-05-31 1:33 ` [PATCH v2 0/5] Fix oom killer doesn't work at all if system have > gigabytes memory (aka CAI founded issue) CAI Qian
2011-05-31 4:10 ` KOSAKI Motohiro
2011-05-31 4:14 ` CAI Qian
2011-05-31 4:34 ` KOSAKI Motohiro
2011-05-31 4:49 ` KOSAKI Motohiro
2011-05-31 4:32 ` KOSAKI Motohiro [this message]
2011-05-31 4:52 ` CAI Qian
2011-05-31 7:04 ` KOSAKI Motohiro
2011-05-31 7:50 ` CAI Qian
2011-05-31 7:56 ` KOSAKI Motohiro
2011-05-31 7:59 ` CAI Qian
2011-05-31 8:11 ` KOSAKI Motohiro
2011-05-31 10:01 ` KOSAKI Motohiro
2011-06-01 1:17 ` CAI Qian
2011-06-01 3:32 ` Minchan Kim
2011-06-06 3:07 ` KOSAKI Motohiro
2011-06-06 14:44 ` Minchan Kim
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