WCN7850 disconnects and reconnects in a loop

[Baochen Qiang]

On 4/3/2024 2:36 PM, Baochen Qiang wrote:
> 
> 
> On 4/1/2024 5:56 PM, Gregoire wrote:
>> Hello,
>>
>> I have a QCNCM865 card with a WCN7850 chipset. I'm running Arch Linux 
>> version 6.9.0-rc2-1-mainline.
>>
>> I'm experiencing difficulty connecting to any Wi-Fi network; the 
>> device connects and reconnects almost immediately.
>>
>> Here's a gist containing some logs from dmesg and journalctl related 
>> to iwd.
>>
>> https://gist.github.com/GreyXor/5e6dc8e610a00c8aab37a1251d36dbc1
> 
> The log below seems strange. Actually we have a patch to fix this issue
> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/drivers/net/wireless/ath/ath12k?id=a49732b1f1f8128608b1192c562880dd29037c06. So the question is are you still seeing this log with latest Kalle's ath.git?
> 
> [ 1132.255250] ath12k_pci 0000:01:00.0: Unknown htt tx status 8
> 
> Current logs don't provide enough info.  Could you reproduce it with 
> full ath12k log and IWD log enabled and share them to us?
> For ath12k, first unload module and then reload.
>      modprobe -r ath12k
>      modprobe ath12k dyndbg=+pflmt debug_mask=0xffffffff
> For IWD, simply add '-d' option when starting it. You may directly add 
> it to the systemd service entry if you like. See 
> https://iwd.wiki.kernel.org/debugging
> 
> Better if you could also capture air sniffer as well.
> 
And please share complete kernel/dmesg and IWD log, not need to do grep.

>>
>> Let me know if you need anything else for debugging
>>
>> I also tried 
>> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git last 
>> week on master, and same problem
>>
>> Thanks
>>
>>
>