linux-kernel - Re: boot stuck at starting kernel, due to __genpd_dev_pm

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Date:   Mon, 15 Aug 2022 20:23:07 +0200
From:   Pavel Machek <pavel@....cz>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Len Brown <len.brown@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Kevin Hilman <khilman@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Saravana Kannan <saravanak@...gle.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: boot stuck at starting kernel, due to __genpd_dev_pm_attach?

Hi!

> You might have already gotten this report, but I tried running v6.0-rc1
> on my BeagleBone Black and it gets stuck right after "Starting kernel
> ..." from U-Boot.
> 
> A bisect pointed me to commit 5a46079a9645 ("PM: domains: Delete usage
> of driver_deferred_probe_check_state()").
> 
> I don't have much more detail than that, other than I'm using the
> in-tree am335x-boneblack.dts device tree and I believe I had tested with
> the multi-v7-defconfig for this verification. I'm happy to test anything
> that might offer more information.

Well, standart next step is reverting 5a46079a9645 on top of v6.0-rc1,
and if it starts working, either you get fix in your inbox, or you ask
Linus to revert :-).

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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