Re: [PATCH] Revert "Revert "wifi: ath11k: Enable threaded NAPI""

[Kalle Valo]

Johan Hovold <johan@xxxxxxxxxx> writes:

> Hi Kalle,
>
> On Wed, Aug 09, 2023 at 09:34:32AM +0200, Johan Hovold wrote:
>
>> Disabling threaded NAPI caused a severe regression in 6.5-rc5 by making
>> the X13s completely unusable (e.g. no keyboard input, I've seen an RCU
>> splat once).
>> 
>> I'm supposed to be on holiday this week, but thanks to the rain I gave
>> rc5 a try and ran into this.
>> 
>> I've added Bjorn, Mani and Konrad on CC who may be able to help with
>> debugging this further if needed while I'm out-of-office.
>
> Back from my holiday now, and this regression is still there with
> 6.5-rc7.

I was also away but back now.

> Any chance we can get the offending commit reverted before 6.5 is
> released? 

The problem here is that would break QCN9074 again so there is no good
solution. I suspect we have a fundamental issue in ath11k which we just
haven't discovered yet. I would prefer to get to the bottom of this
before reverting anything.

> I'll take a closer look at this meanwhile.

Thanks, much appreciated. Did you try enabling all kernel debug
features, maybe they would give some hints?

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