Wifi disassociating

Any idea what is causing this issue where my Wifi won’t stay running?


uname -a
Linux onyx-pc 5.15.53-2-lts #1 SMP Sat, 09 Jul 2022 10:30:57 +0000 x86_64 GNU/Linux

Does this on the linux and linux-xen kernel also.

I have deleted the network connections, reloaded, no difference.

Access point is the TPLink EAP225.
Also of note: this laptop refuses to connect to this AP on 2.4Ghz. 5.0Ghz usually works, but not now.
The laptop will connect to my phone hotspot on 2.4Ghz.

The fix:
create /etc/modprob.d/iwlwifi.conf containing:

options iwlwifi 11n_disable=1 swcrypto=1

save as root. Reboot.
Connections are happy now to 2.4 and 5Ghz.

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