Re: Intel TGL notebook no longer enters power states deeper than PC2 (fwd from bugzilla) #forregzbot

[Thorsten Leemhuis <regressions@leemhuis.info>]

TWIMC: this mail is primarily send for documentation purposes and for
regzbot, my Linux kernel regression tracking bot. These mails usually
contain '#forregzbot' in the subject, to make them easy to spot and filter.

#regzbot backburner: devs need details from intel and a revert would
cause a regression for others:
https://bugzilla.kernel.org/show_bug.cgi?id=215467#c23



On 08.02.22 14:28, Thorsten Leemhuis wrote:
> #regzbot monitor:
> https://lore.kernel.org/all/20220201165006.3074615-1-kbusch@kernel.org/
> 
> On 28.01.22 14:35, Thorsten Leemhuis wrote:
>> #regzbot monitor:
>> https://lore.kernel.org/all/CAJZ5v0hvvYedSn5u-i7sjpoEHU4P65t7i1b2pVn=S1q0nHWgqQ@mail.gmail.com/
>>
>> TWIMC: this mail is primarily send for documentation purposes and for
>> regzbot, my Linux kernel regression tracking bot. These mails usually
>> contain '#forregzbot' in the subject, to make them easy to spot and filter.
>>
>> On 20.01.22 15:56, Thorsten Leemhuis wrote:
>>> Lo! There is a regression dealt with in bugzilla I'd like to add to the
>>> tracking:
>>>
>>> #regzbot introduced: e5ad96f388b765fe6b52f64f37e910c0ba4f3de7
>>> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215467
>>> #regzbot from: MarcelHB <m.heingbecker@googlemail.com>
>>> #regzbot title: Intel TGL notebook no longer enters power states deeper
>>> than PC2
>>>
>>>> Summary:
>>>>
>>>> Starting with Kernel 5.15, my Intel TGL notebook no longer enters power
>>>> states deeper than PC2. Previous kernels did so.
>>>>
>>>> Explanation:
>>>>
>>>> On my notebook, I recently started to observed that the battery drained
>>>> quickly while in a presumed suspend mode. In the past, there was no such
>>>> problem.
>>>>
>>>> I was able to bisect the problem on a tag-basis, analyzing deeper
>>>> information on what looks good and what does not.
>>>>
>>>> In the short: From somewhere at least v5.11.x until v5.14.21, the
>>>> system operates as expected when closing the lid. Starting with 5.15.0, I observed the anomalies as reported below.
>>>
>>> Ciao, Thorsten
>>
>>