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Date:      Sun, 28 Dec 2025 00:44:58 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 291986] iwlwifi: error misreporting when regdomain was not set
Message-ID:  <bug-291986-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291986

            Bug ID: 291986
           Summary: iwlwifi: error misreporting when regdomain was not set
           Product: Base System
           Version: 16.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: 2khramtsov@gmail.com

I installed FreeBSD without setting up Wi-Fi in the installer, then followed:
https://docs.freebsd.org/en/books/handbook/network/#network-wireless-quick-start

And got AX210 sitting on channel 7 in 2.4 GHz trying to associate with nothing,
while target AP is 802.11ac and 5 GHz only
[...]
wlan0: ieee80211_sta_join: BSS 9e:00:00:00:00:00: 2GHz channel, VHT info;
ignoring
iwlwifi0: Not associated and the session protection is over already...
iwlwifi0: linuxkpi_ieee80211_connection_loss: vif 0xfffffe0197f85f00 vap
0xfffffe0197f85010 state ASSOC (synched 1, assoc 0 beacons 0 dtim_period 0)
[...]

It only occurred to me after checking the iwlwifi wiki page that I didn't set
regdomain
https://wiki.freebsd.org/WiFi/Iwlwifi#Wireless_Configuration

Then I also scrolled the handbook further to see the section with regdomain.
Note about regdomain is located further than the "Quick Start to Connect"
section, so the note is sort of hidden from a quick glance.

Could iwlwifi (or net80211) report regdomain not matching AP channel better?

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