linux-kernel - Re: mlockall(MCL_CURRENT) blocking infinitely

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Date:   Fri, 25 Oct 2019 17:58:28 +0200
From:   Robert Stupp <snazy@....de>
To:     Michal Hocko <mhocko@...nel.org>, snazy@...zy.de
Cc:     Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org,
        Linux MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Potyra, Stefan" <Stefan.Potyra@...ktrobit.com>
Subject: Re: mlockall(MCL_CURRENT) blocking infinitely

On Fri, 2019-10-25 at 16:00 +0200, Michal Hocko wrote:
> And one more thing. Considering that you are able to reproduce and
> you
> have a working kernel, could you try to bisect this?

Yikes - running self-built kernels brings back a lot of memories ;)

Anyway, going this route (using the `config` from Ubuntu 5.1.x as a
base and accepting the defaults for `make oldconfig`):

git checkout v5.1-rc1
git bisect start
git bisect bad
git bisect good v5.0

... first try @ e266ca36da7de45b64b05698e98e04b578a88888 is a `git
bisect good`

Will report back, when I've got a result...