linux-kernel - Re: power-off delay/hang due to commit 6d25be57 (mainline)

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Message-ID: <87ftatqu07.fsf@gmx.net>
Date:   Wed, 17 Jun 2020 23:09:44 +0200
From:   Stephen Berman <stephen.berman@....net>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: power-off delay/hang due to commit 6d25be57 (mainline)

On Wed, 17 Jun 2020 16:27:34 +0200 Sebastian Andrzej Siewior <bigeasy@...utronix.de> wrote:

> 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?

Attached.

Steve Berman


Download attachment "trace-5.1.0.txt.gz" of type "application/octet-stream" (10005 bytes)