WCN7850 disconnects and reconnects in a loop

[Kalle Valo]

Johan Hovold <johan at kernel.org> writes:

> On Mon, Apr 01, 2024 at 11:56:39AM +0200, Gregoire wrote:
>
>> 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
>
> I'm seeing iwd repeatedly failing to connect with reason
> PREV_AUTH_NOT_VALID with WCN7850 on the Lenovo ThinkPad T14s (and the
> Snapdragon X1E CRD reference design).
>
> I first noticed this with 6.10 when starting to work on the Qualcomm X
> Elite platform, but never got around to investigating it. I've confirmed
> that the issue is still there with 6.13-rc1 and that adding
> ControlPortOverNL80211=false allows iwd to connect.
>
> Looking at Gregoire's logs now, it looks like the deauthentication
> reason is different:
>
> 	(Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)
>
> instead of
>
> 	(Reason: 2=PREV_AUTH_NOT_VALID)
>
> but the same control port workaround allows iwd to connect.

Is there a bugzilla report about this? Unfortunately I have not been
able to follow bugzilla lately due to MLO work but it would be still
good to file this (if that's not done already).

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