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

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Message-ID: <87imdp5r80.fsf@rub.de>
Date:   Tue, 11 Aug 2020 13:58:39 +0200
From:   Stephen Berman <stephen.berman@....net>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>
Subject: Re: power-off delay/hang due to commit 6d25be57 (mainline)

On Sun, 19 Jul 2020 12:07:14 +0200 Stephen Berman <stephen.berman@....net> wrote:

> On Tue, 14 Jul 2020 16:11:35 +0200 Sebastian Andrzej Siewior
> <bigeasy@...utronix.de> wrote:
>
[...]
>> Stephen, the patch attached adds a WARN_ON() statement which will
>> produce a stack trace (4 or so). Could please run 'dmesg' after a while
>> and send it back. There should be a
>>     "WARNING in drivers/acpi/acpica/evmisc.c"
>>
>> statement or something along the lines.
>
> I've now rebuilt 5.6.4 with the new patch; sorry for the delay.  Output
> of dmesg attached.

FWIW, while you were away I got an additional datapoint: someone who saw
my original post about this problem to one of the Linux From Scratch
mailing lists wrote me that he had the same problem, also getting
messages about the cdrom timing out ("sr 3:0:0:0" in his case); I told
him about your workaround of adding 'thermal.tzp=300' to the kernel
commandline, and he replied that this works for him too.  And it turns
out we have similar motherboards: I have a Gigabyte Z390 M Gaming
Rev. 1001 board and he has Gigabyte Z390 Designare rev 1.0.

Steve Berman