linux-kernel - Re: regression, 5.19.0-rc1 not powering off when hibernated

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Date:   Fri, 17 Jun 2022 14:48:18 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Ken Moffat <zarniwhoop@...world.com>
Cc:     Thorsten Leemhuis <regressions@...mhuis.info>,
        linux-kernel@...r.kernel.org,
        "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>,
        Linux PM <linux-pm@...r.kernel.org>,
        Pavel Machek <pavel@....cz>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: regression, 5.19.0-rc1 not powering off when hibernated

On 6/16/22 20:06, Ken Moffat wrote:
> On Thu, Jun 16, 2022 at 05:59:10PM +0300, Dmitry Osipenko wrote:
>> Hi,
>>
>> On 6/15/22 22:52, Ken Moffat wrote:
>>> On Wed, Jun 15, 2022 at 05:40:46PM +0100, Ken Moffat wrote:
>>>> On Mon, Jun 13, 2022 at 08:46:22PM +0100, Ken Moffat wrote:
>>>>
>>>>>>>> But with 5.19.0-rc1 the screen is blank throughtout the hibernation,
>>>>>>>> and briefly when restoring (no complaint about that), but when
>>>>>>>> hibernating it no longer powers off and I have to hold the on/off
>>>>>>>> switch to power off.
>>>>>>>>
>>>>>>>> Is this a known problem ?
>>>>>>>
>>> [...]
>>>> Indeed, on the second attempt I've got a much more likely commit to
>>>> blame:
>>>>
>>>> 98f30d0ecf79da8cf17a171fa4cf6eda7ba4dd71 is the first bad commit
>>>> commit 98f30d0ecf79da8cf17a171fa4cf6eda7ba4dd71
>>>> Author: Dmitry Osipenko <dmitry.osipenko@...labora.com>
>>>> Date:   Tue May 10 02:32:30 2022 +0300
>>>>
>>>>     ACPI: power: Switch to sys-off handler API
>>>>     
>>>>     Switch to sys-off API that replaces legacy pm_power_off callbacks,
>>>>     allowing us to remove global pm_* variables and support chaining of
>>>>     all restart and power-off modes consistently.
>>>>     
>>>>     Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
>>>>     Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>>>>
>>>> Unsurprisingly, with this reverted 5.19-rc2 fails to build.
>>>>
>>> It occurs to me that maybe I'm missing something in my .config.
>>> Since that is 117K, here is the gzipped config from the version that
>>> git blamed (apart from not powering off, it appears to work ok).
>>
>> The patch below likely should fix the problem, please give it a try on
>> top of the 5.19-rc2.
> 
> Thanks, works like a charm.
> 
> Feel free to add
> 
> Reported-by: Ken Moffat <zarniwhhop@...world.com>
> Tested-by: Ken Moffat <zarniwhoop@...world.com>
> 
> if you wish.

Nice, thank you!

-- 
Best regards,
Dmitry