[Bug 264238] WiFi stops working after upgrade from 13.0 to 13.1, AR9285 (wpa_supplicant)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264238

--- Comment #99 from rkoberman@gmail.com ---
Once again, while the title refers to the AR9285, I am seeing the same symptoms
on my AX200. Unfortunately, since it seems to only affect connection to OPEN
access points, I only see this on the infrequent occasions when I am away from
home, usually at a hotel.

I see the same behavior with the AX200 appearing to associate with the AP, but
it fails to et an address. Working with the surprisingly cluefull support for
whoever Marriott contracts with (he runs Mint Linux at home), he monitored my
connection to confirm that they were seeing no packets from my MAC address. On
my end, tcpdump saw the DHCP DISCOVER packets going out.

Key indicator is that the connection media seen on the interface is wrong.
While I did not always see the same media, it was usually DS/1MB which is
clearly wrong. When I connect to my home network, I see a more reasonable
OFDM/54Mbps.

Once I have installed the 2.9 port, I will take my laptop down to a Starbucks
and/or McDonald's and see what happens there. I can try both 2.9 and 3.0 as
well as test with both the AX200 and the Realtek USB interface I was using
before iwlwifi was available.

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