[PATCH] Revert "mt76: mt7921: enable aspm by default"
Kalle Valo
kvalo at kernel.org
Tue Apr 12 03:36:52 PDT 2022
Thorsten Leemhuis <regressions at leemhuis.info> writes:
> On 12.04.22 11:37, Kalle Valo wrote:
>> Philippe Schenker <dev at pschenker.ch> writes:
>>
>>> This reverts commit bf3747ae2e25dda6a9e6c464a717c66118c588c8.
>>>
>>> This commit introduces a regression on some systems where the kernel is
>>> crashing in different locations after a reboot was issued.
>>>
>>> This issue was bisected on a Thinkpad P14s Gen2 (AMD) with latest firmware.
>>>
>>> Link:
>>> https://lore.kernel.org/linux-wireless/5077a953487275837e81bdf1808ded00b9676f9f.camel@pschenker.ch/
>>> Signed-off-by: Philippe Schenker <dev at pschenker.ch>
>>
>> Can I take this to wireless tree? Felix, ack?
>>
>> I'll also add:
>>
>> Fixes: bf3747ae2e25 ("mt76: mt7921: enable aspm by default")
>
> Sorry, stupid questions from the regression tracker: wouldn't this cause
> a regression for users of kernel versions post-bf3747ae2e25, as the
> power consumption is likely to increase for them? Without having dug
> into the backstory much: would disabling ASPM for this particular
> machine using a quirk be the better approach? Or are we assuming a lot
> of machines are affected?
>
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
>
> P.S.: As the Linux kernel's regression tracker I'm getting a lot of
> reports on my table. I can only look briefly into most of them and lack
> knowledge about most of the areas they concern. I thus unfortunately
> will sometimes get things wrong or miss something important. I hope
> that's not the case here; if you think it is, don't hesitate to tell me
> in a public reply, it's in everyone's interest to set the public record
> straight.
BTW, maybe you could add that boilerplace text after P.S. into the
signature (ie. under "-- " line)? That way your mails would more
readable and make it more clear that you didn't write the boilerplate
text specifically for this mail.
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