WCN7850 disconnects and reconnects in a loop

[Johan Hovold]

On Wed, Dec 11, 2024 at 09:35:37AM +0200, Kalle Valo wrote:
> Johan Hovold <johan at kernel.org> writes:

> > 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).

Yes, sorry, I should have included the link (it was posted later in the
original thread):

	https://bugzilla.kernel.org/show_bug.cgi?id=218733

I only noticed that Gregoire's symptoms were slightly different when
replying to this thread. Let me know if you prefer that I file a
separate bugzilla report for the PREV_AUTH_NOT_VALID case.

The exact same setup (kernel, distro and router) works fine with ath11k
and WCN6855 (e.g. as found in the Lenovo ThinkPad X13s).

Johan