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Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of RAM that should be free

From Michal Hocko <mhocko@kernel.org>
Newsgroups linux.kernel
Subject Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of RAM that should be free
Date 2017-05-02 09:50 +0200
Message-ID <tCAJk-3zE-19@gated-at.bofh.it> (permalink)
References (5 earlier) <sITBL-2rZ-11@gated-at.bofh.it> <sIU4N-2TK-3@gated-at.bofh.it> <sIUHv-37J-11@gated-at.bofh.it> <sIZHb-6sA-23@gated-at.bofh.it> <tCxLs-1zn-13@gated-at.bofh.it>
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On Mon 01-05-17 21:12:35, Marc MERLIN wrote:
> Howdy,
> 
> Well, sadly, the problem is more or less back is 4.11.0. The system doesn't really 
> crash but it goes into an infinite loop with
> [34776.826800] BUG: workqueue lockup - pool cpus=6 node=0 flags=0x0 nice=0 stuck for 33s!
> More logs: https://pastebin.com/YqE4riw0

I am seeing a lot of traces where tasks is waiting for an IO. I do not
see any OOM report there. Why do you believe this is an OOM killer
issue?
-- 
Michal Hocko
SUSE Labs

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Thread

Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of  RAM that should be free Marc MERLIN <marc@merlins.org> - 2017-05-02 06:40 +0200
  Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of  RAM that should be free Michal Hocko <mhocko@kernel.org> - 2017-05-02 09:50 +0200
  Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of  RAM that should be free Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> - 2017-05-02 12:50 +0200
    Re: 4.8.8 kernel trigger OOM killer repeatedly when I have lots of  RAM that should be free Marc MERLIN <marc@merlins.org> - 2017-05-02 16:20 +0200

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