From: Michal Hocko <mhocko@kernel.org>
To: Luigi Semenzato <semenzato@google.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: OOM kills with lots of free swap
Date: Tue, 27 Jun 2017 09:11:05 +0200 [thread overview]
Message-ID: <20170627071104.GB28078@dhcp22.suse.cz> (raw)
In-Reply-To: <CAA25o9T1WmkWJn1LA-vS=W_Qu8pBw3rfMtTreLNu8fLuZjTDsw@mail.gmail.com>
On Fri 23-06-17 16:29:39, Luigi Semenzato wrote:
> It is fairly easy to trigger OOM-kills with almost empty swap, by
> running several fast-allocating processes in parallel. I can
> reproduce this on many 3.x kernels (I think I tried also on 4.4 but am
> not sure). I am hoping this is a known problem.
The oom detection code has been reworked considerably in 4.7 so I would
like to see whether your problem is still presenet with more up-to-date
kernels. Also an OOM report is really necessary to get any clue what
might have been going on.
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-06-27 7:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 23:29 Luigi Semenzato
2017-06-27 6:50 ` Vlastimil Babka
2017-06-27 7:11 ` Michal Hocko [this message]
2017-06-27 15:21 ` Luigi Semenzato
2017-06-27 15:22 ` Luigi Semenzato
2017-06-27 15:50 ` Michal Hocko
2017-06-29 17:46 ` Luigi Semenzato
2017-06-29 18:02 ` Luigi Semenzato
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