linux-kernel - Re: linusw/for-next boot bisection: v5.2-rc1-8-g73a790c68d7e on rk3288-veyron-jaq

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Date:   Tue, 28 May 2019 14:15:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Guillaume Tucker <guillaume.tucker@...labora.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Linux PM list <linux-pm@...r.kernel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        Matt Hart <matthew.hart@...aro.org>, mgalka@...labora.com,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: linusw/for-next boot bisection: v5.2-rc1-8-g73a790c68d7e on
 rk3288-veyron-jaq

On Tue, May 28, 2019 at 10:45:13AM +0200, Linus Walleij wrote:
> On Tue, May 28, 2019 at 10:36 AM Guillaume Tucker

> > Not really, so I've disabled bisections in the linux-gpio tree
> > and a few other maintainers' trees for now.  I'll see if we can
> > come up with a more systematic way of suppressing bisections in
> > similar cases (i.e. the issue has been fixed in mainline later
> > than the base commit for the branch being tested).

> I think this is what the zeroday autobuilder does because
> they never seem to show this problem. Thanks for looking
> into it!

I've got a feeling they do this by deduping after doing the bisection;
they also used to have a system where they'd merge a bunch of trees
together and do the bisect on that to save repeating bisects.

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