Re: [BUG] wifi: rtw88: Hard system freeze on RTL8821CE when power_save is enabled (LPS/ASPM conflict)

[Bitterblue Smith]

On 31/03/2026 03:32, Ping-Ke Shih wrote:
> 
> LB F <goainwo@xxxxxxxxx> wrote:
>>
>> Could you advise on how to investigate this further? For example:
>>
>>   - Is there a debug flag or register dump we could capture right
>>     before the first corrupted frame in a burst?
>>   - Would it help to log C2H (chip-to-host) traffic around the
>>     time of these events?
> 
> I have never heard about this symptom from internal, so no clear
> idea for that. Sorry.
> 
>>
>> I am ready to run any specific tests you need. In the meantime,
>> I agree that filtering by DRV_INFO_SIZE is the right practical
>> solution, and I'm waiting for your official patch to test locally.
> 
> As malformed frames happen randomly, more validations like
> DRV_INFO_SIZE are needed. I think Bitterblue is working on the
> test patch. :)
> 
> Ping-Ke
> 

Yes, I am preparing a patch now.