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Date:   Sun, 13 Dec 2020 10:23:14 +0200
From:   Mike Rapoport <>
To:     Guillaume Tucker <>
Cc:     Andrea Arcangeli <>,
        Andrew Morton <>,
        Stephen Rothwell <>,,
        "" <>,,,
        Mike Rapoport <>, Baoquan He <>
Subject: Re: kernelci/staging-next bisection: sleep.login on
 rk3288-rock2-square #2286-staging

Hi Guillaume,

On Fri, Dec 11, 2020 at 09:53:46PM +0000, Guillaume Tucker wrote:
> Hi Mike,
> Please see the bisection report below about a boot failure on
> rk3288 with next-20201210.
> Reports aren't automatically sent to the public while we're
> trialing new bisection features on but this one
> looks valid.
> There's nothing in the serial console log, probably because it's
> crashing too early during boot.  This was confirmed on two rk3288
> platforms on rk3288-veyron-jaq and
> rk3288-rock2-square.  There's no clear sign about other platforms
> being impacted.
> If this looks like something you want to investigate but you
> don't have a platform at hand to reproduce it, please let us know
> if you would like the test to be re-run on with some
> debug config turned on, or if you have a fix to try.

I'd apprciate if you can build a working kernel with
CONFIG_DEBUG_MEMORY_INIT=y and run it with 

	memblock=debug mminit_loglevel=4

in the command line.

If I understand correctly, DEBUG_LL is not an option for these platforms
so if earlyprintk didn't display the log there is not much to do about

> Thanks,
> Guillaume

Sincerely yours,

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