[FS#4050] DFS not working on WNDR4300

[OpenWrt Bugs]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Michael (Michael) 

Attached to Project - OpenWrt/LEDE Project
Summary - DFS not working on WNDR4300
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - After Upgrading from 19.07.8 to version 21.02.0 the 5 GHZ WLAN is not working any more.
The WLAN gets shutdown by DFS.
FYI: Same freqency was used (channel 52) on 19.07.8 - worked perfekt, on 21.02.0 - doesn't work due to radar detect and shutdown by DFS.

Device:         WNDR4300
Software: 	OpenWrt 21.02.0 r16279-5cc0535800 / LuCI openwrt-21.02 branch git-21.231.26241-422c175

Logfile:
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: DFS-RADAR-DETECTED freq=5660 ht_enabled=1 chan_offset=1 chan_width=2 cf1=5670 cf2=0
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: dfs_downgrade_bandwidth: no DFS channels left, waiting for NOP to finish
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-DISABLED
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 8c:8e:f2:f1:27:70
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 40:16:3b:f4:ed:da
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 74:81:14:50:7e:94
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED 80:0c:67:08:d8:f1
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: AP-STA-DISCONNECTED ec:ad:b8:7b:b0:25
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: nl80211: deinit ifname=wlan1 disabled_11b_rates=0
Tue Sep 21 07:51:19 2021 kern.info kernel: [82242.427874] device wlan1 left promiscuous mode
Tue Sep 21 07:51:19 2021 kern.info kernel: [82242.432916] br-lan: port 2(wlan1) entered disabled state
Tue Sep 21 07:51:19 2021 daemon.notice netifd: Network device 'wlan1' link is down
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: interface state ENABLED->DISABLED
Tue Sep 21 07:51:19 2021 kern.info kernel: [82242.487270] br-lan: port 2(wlan1) entered blocking state
Tue Sep 21 07:51:19 2021 kern.info kernel: [82242.492733] br-lan: port 2(wlan1) entered disabled state
Tue Sep 21 07:51:19 2021 kern.info kernel: [82242.498550] device wlan1 entered promiscuous mode
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: interface state DISABLED->COUNTRY_UPDATE
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: interface state COUNTRY_UPDATE->HT_SCAN
Tue Sep 21 07:51:19 2021 daemon.err hostapd: could not get valid channel
Tue Sep 21 07:51:19 2021 daemon.notice hostapd: wlan1: interface state HT_SCAN->DFS
Tue Sep 21 07:51:31 2021 daemon.info hostapd: wlan0: STA 06:0f:98:97:99:26 IEEE 802.11: authenticated
Tue Sep 21 07:51:31 2021 daemon.info hostapd: wlan0: STA 06:0f:98:97:99:26 IEEE 802.11: associated (aid 1)
Tue Sep 21 07:51:31 2021 daemon.notice hostapd: wlan0: AP-STA-CONNECTED 06:0f:98:97:99:26
Tue Sep 21 07:51:31 2021 daemon.info hostapd: wlan0: STA 06:0f:98:97:99:26 WPA: pairwise key handshake completed (RSN)
Tue Sep 21 07:52:27 2021 daemon.err uhttpd[1831]: luci: accepted login on / for root from 192.168.1.120
Tue Sep 21 07:56:35 2021 daemon.err uhttpd[1831]: luci: accepted login on / for root from 192.168.1.15

If you need amy additional info, please let me know.

Regards


 

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4050

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