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Date:   Wed, 17 Jun 2020 16:27:34 +0200
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Stephen Berman <stephen.berman@gmx.net>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: power-off delay/hang due to commit 6d25be57 (mainline)
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On 2020-06-16 22:28:43 [+0200], Stephen Berman wrote:
> Your assessment and predictions are right on the mark!
perfect.

> I'm fine with the thermal.tzp=300 workaround, but it would be good to
> find out why this problem started with commit 6d25be57, if my git
> bisection was correct, or if it wasn't, then at least somewhere between
> 5.1.0 and 5.2.0.  Or can you already deduce why?  If not, I'd be more
> than happy to continue applying any patches or trying any suggestions
> you have, if you want to continue debugging this issue.  In any case,
> thanks for pursuing it to this point.

I have no idea why the commit in question should make any difference.
Could please apply the tracing patch on v5.1 and send the trace?

> Steve Berman

Sebastian