[Bug 292449] rtwn: fails to see 5GHz networks if 2.4GHz channels are enabled

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 14 Jan 2026 07:00:42 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292449

            Bug ID: 292449
           Summary: rtwn: fails to see 5GHz networks if 2.4GHz channels
                    are enabled
           Product: Base System
           Version: 15.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: wireless
          Assignee: wireless@FreeBSD.org
          Reporter: quentin.thebault@defenso.fr

Using a RTL8812AU:
- ifconfig wlan0 scan
I cannot my home 5GHz network

- ifconfig wlan0 down
- ifconfig wlan0 chanlist 36-165
- ifconfig wlan0 up
- service wpa_supplicant restart
- ifconfig wlan0 scan

Now I can see the 5GHz network (and it's automatically associated by
wpa_supplicant).

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