On Monday, May 10, 2021 4:16 AM, Larry Finger [off-list ref] wrote:

The only splat that shows in either attachment is due to you not installing the
regulatory database that sets the channels etc. for your domain. I do not know
what it is called for your distro - it is wireless-regdb on mine. It is unlikely
that this is the cause of your problem, but who knows?

Larry

I installed the wireless-regdb package. The error message about
regulatory.db went away, but the system still froze.

I'll try the rtw_core parameter disable_lps_deep=1 now.