When I use it every day, the wifi always disconnects itself but the wired connection has no effect. Every time it can't recover by itself unless I restart the router or modify some key wifi related settings like band range, etc. Simply switching the wifi service can't solve it
The device info below:
Model Xiaomi Mi Router 4C
Architecture MediaTek MT7628AN ver:1 eco:2
Target platform ramips/mt76x8
Firmware version OpenWrt 21.02.3 r16554-1d4dea6d4f / LuCI openwrt-21.02 branch git-22.335.71649-0ecaf74
when the problem happened when I connected wifi with phone .the phone is disconnected with network automatically
the system debug logger below:
Wed Dec 21 17:51:40 2022 authpriv.info dropbear[11098]: Child connection from 68.183.87.133:37998
Wed Dec 21 17:51:40 2022 authpriv.info dropbear[11098]: Exit before auth from <68.183.87.133:37998>: Exited normally
Wed Dec 21 18:03:56 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: associated (aid 2)
Wed Dec 21 18:03:56 2022 daemon.notice hostapd: wlan0: AP-STA-CONNECTED ca:cb:77:7c:d6:44
Wed Dec 21 18:03:56 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 WPA: pairwise key handshake completed (RSN)
Wed Dec 21 18:03:56 2022 daemon.info dnsmasq-dhcp[2411]: DHCPREQUEST(br-lan) 192.168.2.206 ca:cb:77:7c:d6:44
Wed Dec 21 18:03:56 2022 daemon.info dnsmasq-dhcp[2411]: DHCPACK(br-lan) 192.168.2.206 ca:cb:77:7c:d6:44
Wed Dec 21 18:13:36 2022 user.info : luci: accepted login on / for root from 192.168.2.124
Wed Dec 21 18:21:06 2022 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED ca:cb:77:7c:d6:44
Wed Dec 21 18:21:06 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: disassociated due to inactivity
Wed Dec 21 18:21:07 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Wed Dec 21 18:21:10 2022 daemon.warn dnsmasq[11327]: Ignoring query from non-local network
Wed Dec 21 18:21:10 2022 daemon.warn dnsmasq[11328]: Ignoring query from non-local network
Wed Dec 21 18:21:10 2022 daemon.warn dnsmasq[11329]: Ignoring query from non-local network
Wed Dec 21 18:21:11 2022 daemon.warn dnsmasq[11330]: Ignoring query from non-local network
Wed Dec 21 18:21:11 2022 daemon.warn dnsmasq[11331]: Ignoring query from non-local network
Wed Dec 21 18:21:11 2022 daemon.warn dnsmasq[11332]: Ignoring query from non-local network
Wed Dec 21 18:21:11 2022 daemon.warn dnsmasq[11333]: Ignoring query from non-local network
Wed Dec 21 18:21:12 2022 daemon.warn dnsmasq[11334]: Ignoring query from non-local network
Wed Dec 21 18:21:12 2022 daemon.warn dnsmasq[11335]: Ignoring query from non-local network
Wed Dec 21 18:21:12 2022 daemon.warn dnsmasq[11336]: Ignoring query from non-local network
Wed Dec 21 18:50:35 2022 authpriv.info dropbear[11371]: Child connection from 106.75.141.132:60590
Wed Dec 21 18:50:35 2022 authpriv.info dropbear[11372]: Child connection from 106.75.141.132:60610
Wed Dec 21 18:50:36 2022 authpriv.info dropbear[11371]: Exit before auth from <106.75.141.132:60590>: Exited normally
Wed Dec 21 18:50:50 2022 authpriv.info dropbear[11372]: Exit before auth from <106.75.141.132:60610>: Exited normally
Wed Dec 21 18:56:38 2022 authpriv.info dropbear[11373]: Child connection from 64.62.197.59:16933
Wed Dec 21 18:56:39 2022 authpriv.warn dropbear[11373]: Login attempt for nonexistent user
Wed Dec 21 18:56:42 2022 authpriv.info dropbear[11373]: Exit before auth from <64.62.197.59:16933>: Exited normally
Wed Dec 21 19:04:15 2022 authpriv.info dropbear[11392]: Child connection from 218.207.155.236:59871
Wed Dec 21 19:04:18 2022 authpriv.warn dropbear[11392]: Login attempt for nonexistent user
Wed Dec 21 19:04:21 2022 authpriv.info dropbear[11392]: Exit before auth from <218.207.155.236:59871>: Max auth tries reached - user 'is invalid'
Wed Dec 21 19:41:28 2022 authpriv.info dropbear[11579]: Child connection from 195.3.147.57:56579
Wed Dec 21 19:41:31 2022 authpriv.warn dropbear[11579]: Login attempt for nonexistent user
Wed Dec 21 19:41:32 2022 authpriv.info dropbear[11579]: Exit before auth from <195.3.147.57:56579>: Error reading: Connection reset by peer
Wed Dec 21 19:56:58 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: associated (aid 2)
Wed Dec 21 19:56:58 2022 daemon.notice hostapd: wlan0: AP-STA-CONNECTED ca:cb:77:7c:d6:44
Wed Dec 21 19:56:58 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 WPA: pairwise key handshake completed (RSN)
Wed Dec 21 19:56:58 2022 daemon.info dnsmasq-dhcp[2411]: DHCPREQUEST(br-lan) 192.168.2.206 ca:cb:77:7c:d6:44
Wed Dec 21 19:56:58 2022 daemon.info dnsmasq-dhcp[2411]: DHCPACK(br-lan) 192.168.2.206 ca:cb:77:7c:d6:44
Wed Dec 21 19:59:07 2022 daemon.info hostapd: wlan0: STA 2e:00:94:2d:99:f5 IEEE 802.11: associated (aid 1)
Wed Dec 21 19:59:07 2022 daemon.info hostapd: wlan0: STA 2e:00:94:2d:99:f5 WPA: pairwise key handshake completed (RSN)
Wed Dec 21 20:16:13 2022 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED ca:cb:77:7c:d6:44
Wed Dec 21 20:16:13 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: disassociated
Wed Dec 21 20:16:14 2022 daemon.info hostapd: wlan0: STA ca:cb:77:7c:d6:44 IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Wed Dec 21 20:24:00 2022 user.info : luci: accepted login on / for root from 192.168.2.124
Wed Dec 21 20:33:29 2022 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED 2e:00:94:2d:99:f5
even worst,wifi cannot be scanned
wifi pannel info:
MediaTek MT76x8 802.11bgn
Channels: 8 (2.447 GHz) | Rate: 1 Mbit/s (or even ? Mbit/s )
-25 dBm
SSID: HashMapTree | Mode: Master
BSSID: 5C:02:14:0C:62:C3 | Encryption: mixed WPA2/WPA3 PSK, SAE (CCMP)
or even apper tips like Device not activated wifi is not linked
and now log blow
Wed Dec 21 20:36:35 2022 kern.info kernel: [121105.878658] br-lan: port 2(wlan0) entered blocking state
Wed Dec 21 20:36:35 2022 kern.info kernel: [121105.884231] br-lan: port 2(wlan0) entered disabled state
Wed Dec 21 20:36:35 2022 kern.info kernel: [121105.890156] device wlan0 entered promiscuous mode
Wed Dec 21 20:36:38 2022 kern.err kernel: [121109.184266] mt76_wmac 10300000.wmac: MCU message 08 (seq 15) timed out
Wed Dec 21 20:36:38 2022 kern.info kernel: [121109.193138] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Wed Dec 21 20:36:38 2022 kern.info kernel: [121109.200021] br-lan: port 2(wlan0) entered blocking state
Wed Dec 21 20:36:38 2022 kern.info kernel: [121109.205559] br-lan: port 2(wlan0) entered forwarding state
Wed Dec 21 20:36:38 2022 daemon.notice hostapd: wlan0: interface state UNINITIALIZED->ENABLED
Wed Dec 21 20:36:38 2022 daemon.notice hostapd: wlan0: AP-ENABLED
Wed Dec 21 20:36:39 2022 daemon.notice netifd: Wireless device 'radio0' is now up
Wed Dec 21 20:36:39 2022 daemon.notice netifd: Network device 'wlan0' link is up
Wed Dec 21 20:37:16 2022 daemon.notice hostapd: Remove interface 'wlan0'
Wed Dec 21 20:37:16 2022 daemon.notice hostapd: wlan0: interface state ENABLED->DISABLED
Wed Dec 21 20:37:16 2022 daemon.notice hostapd: wlan0: AP-DISABLED
Wed Dec 21 20:37:16 2022 daemon.notice hostapd: wlan0: CTRL-EVENT-TERMINATING
Wed Dec 21 20:37:16 2022 daemon.notice hostapd: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Wed Dec 21 20:37:16 2022 kern.info kernel: [121147.762692] device wlan0 left promiscuous mode
Wed Dec 21 20:37:16 2022 kern.info kernel: [121147.767547] br-lan: port 2(wlan0) entered disabled state
Wed Dec 21 20:37:20 2022 kern.err kernel: [121151.168595] mt76_wmac 10300000.wmac: MCU message 08 (seq 1) timed out
Wed Dec 21 20:37:20 2022 daemon.notice netifd: Network device 'wlan0' link is down
Wed Dec 21 20:37:20 2022 daemon.notice netifd: Wireless device 'radio0' is now down
Wed Dec 21 20:37:22 2022 daemon.notice hostapd: Configuration file: /var/run/hostapd-phy0.conf (phy wlan0) --> new PHY
Wed Dec 21 20:37:25 2022 kern.err kernel: [121156.288646] mt76_wmac 10300000.wmac: MCU message 08 (seq 2) timed out
Wed Dec 21 20:37:25 2022 kern.info kernel: [121156.315091] br-lan: port 2(wlan0) entered blocking state
Wed Dec 21 20:37:25 2022 kern.info kernel: [121156.320648] br-lan: port 2(wlan0) entered disabled state
Wed Dec 21 20:37:25 2022 kern.info kernel: [121156.326578] device wlan0 entered promiscuous mode
Wed Dec 21 20:37:28 2022 kern.err kernel: [121159.616635] mt76_wmac 10300000.wmac: MCU message 08 (seq 3) timed out
Wed Dec 21 20:37:28 2022 kern.info kernel: [121159.625508] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Wed Dec 21 20:37:28 2022 kern.info kernel: [121159.632392] br-lan: port 2(wlan0) entered blocking state
Wed Dec 21 20:37:28 2022 kern.info kernel: [121159.637930] br-lan: port 2(wlan0) entered forwarding state
Wed Dec 21 20:37:28 2022 daemon.notice hostapd: wlan0: interface state UNINITIALIZED->ENABLED
Wed Dec 21 20:37:28 2022 daemon.notice hostapd: wlan0: AP-ENABLED
what can I do to solve it?