If wiless-regdom is set to KR, all frequencies are disabled

[esrevinu]

If WIRELESS_REGDOM="KR" is uncommented in /etc/conf.d/wireless-regdom, all frequencies are disabled.
I checked this by the following command:
$ iw list | grep Frequencies -A 13
Frequencies:
* 2412 MHz [1] (disabled)
* 2417 MHz [2] (disabled)
* 2422 MHz [3] (disabled)
* 2427 MHz [4] (disabled)
* 2432 MHz [5] (disabled)
* 2437 MHz [6] (disabled)
* 2442 MHz [7] (disabled)
* 2447 MHz [8] (disabled)
* 2452 MHz [9] (disabled)
* 2457 MHz [10] (disabled)
* 2462 MHz [11] (disabled)
* 2467 MHz [12] (disabled)
* 2472 MHz [13] (disabled)

$ iw reg get
global
country KR: DFS-JP
(2402 - 2482 @ 40), (N/A, 13), (N/A)
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW
(5490 - 5710 @ 160), (N/A, 30), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
(57000 - 66000 @ 2160), (N/A, 43), (N/A)


When I tested other domains, US and ES, there is no issue.
My device is Raspberry pi 3B, armv7 version is installed.

[esrevinu]

It seems the reason is error in brcmfmac kernel module.
$this->bbcode_second_pass_quote('', '
')May 20 03:45:39 clare sudo[3057]: esrevinu : TTY=pts/2 ; PWD=/home/esrevinu ; USER=root ; COMMAND=/usr/bin/iw reg set KR
May 20 03:45:39 clare sudo[3057]: pam_unix(sudo:session): session opened for user root by esrevinu(uid=0)
May 20 03:45:39 clare sudo[3057]: pam_unix(sudo:session): session closed for user root
May 20 03:45:39 clare kernel: brcmfmac: brcmf_link_down: WLC_DISASSOC failed (-52)
May 20 03:45:39 clare wpa_supplicant[265]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=KR
May 20 03:45:39 clare wpa_supplicant[265]: wlan0: CTRL-EVENT-DISCONNECTED bssid=xx:xx:xx:xx:xx:xx reason=0 locally_generated=1
May 20 03:45:39 clare systemd-networkd[221]: wlan0: Lost carrier
May 20 03:45:39 clare wpa_supplicant[265]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
May 20 03:45:39 clare systemd-networkd[221]: wlan0: DHCP lease lost
May 20 03:45:39 clare dbus-daemon[266]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.0' (uid=193 pid=221 comm="/usr/lib/systemd/systemd-networkd ")
May 20 03:45:39 clare wpa_supplicant[265]: wlan0: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=KR
May 20 03:45:39 clare systemd[1]: Starting Hostname Service...
May 20 03:45:39 clare wpa_supplicant[265]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-22 retry=1