linux-kernel - Re: Strange issues with epoll since 5.0

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Message-ID: <20190429204754.hkz7z736tdk4ucum@linux-r8p5>
Date:   Mon, 29 Apr 2019 13:47:54 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Eric Wong <e@...24.org>
Cc:     Deepa Dinamani <deepa.kernel@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Al Viro <viro@...iv.linux.org.uk>,
        Jason Baron <jbaron@...mai.com>, linux-kernel@...r.kernel.org,
        Omar Kilani <omar.kilani@...il.com>,
        linux-fsdevel@...r.kernel.org
Subject: Re: Strange issues with epoll since 5.0

On Sun, 28 Apr 2019, Eric Wong wrote:

>Just running one test won't trigger since it needs a busy
>machine; but:
>
>	make test/mgmt_auto_adjust.log
>	(and "rm make test/mgmt_auto_adjust.log" if you want to rerun)

fyi no luck reproducing on both either a large (280) or small (4 cpu)
machine, I'm running it along with a kernel build overcommiting cpus x2.

Is there any workload in particular you are using to stress the box?

Thanks,
Davidlohr