Hey,
my EA6900 (firmware version 1.1.42.158863) drops the 2.4 GHz network every other day or so. At that point, all connected devices lose the network connection and cannot connect again until I manually reset the router. This is a big pain in the **bleep**.
Here is what this looks like on a Linux client:
May 4 07:50:06 habanero dhclient: DHCPREQUEST of 192.168.1.104 on wlan0 to 255.255.255.255 port 67 (xid=0x553aef8)
May 4 07:50:35 dhclient: last message repeated 2 times
May 4 07:50:39 habanero dhclient: DHCPREQUEST of 192.168.1.104 on wlan0 to 255.255.255.255 port 67 (xid=0x553aef8)
May 4 07:50:57 habanero dhclient: DHCPREQUEST of 192.168.1.104 on wlan0 to 255.255.255.255 port 67 (xid=0x553aef8)
May 4 07:51:13 habanero avahi-daemon[1696]: Withdrawing address record for 2605:6000:100e:c073:21e:68ff:fed6:7636 on eth0.
May 4 07:51:13 habanero avahi-daemon[1696]: Registering new address record for 2605:6000:100e:c073:21e:68ff:fed6:7636 on eth0.*.
May 4 07:51:13 habanero avahi-daemon[1696]: Registering new address record for fe80::21e:68ff:fed6:7636 on eth0.*.
May 4 07:51:13 habanero avahi-daemon[1696]: Withdrawing address record for 2605:6000:100e:c073:a18e:f467:24c3:f7bb on wlan0.
May 4 07:51:13 habanero avahi-daemon[1696]: Registering new address record for 2605:6000:100e:c073:a18e:f467:24c3:f7bb on wlan0.*.
May 4 07:51:13 habanero avahi-daemon[1696]: Registering new address record for fe80::216:eaff:febc:cc0e on wlan0.*.
May 4 07:51:15 habanero kernel: [425404.872139] cfg80211: Calling CRDA to update world regulatory domain
May 4 07:51:15 habanero wpa_supplicant[1981]: wlan0: CTRL-EVENT-DISCONNECTED bssid=48:f8:b3:9d:ae:5b reason=4
May 4 07:51:15 habanero NetworkManager[1772]: <info> (wlan0): supplicant interface state: completed -> disconnected
May 4 07:51:15 habanero NetworkManager[1772]: <info> (wlan0): supplicant interface state: disconnected -> scanning
May 4 07:51:15 habanero kernel: [425405.033185] cfg80211: World regulatory domain updated:
May 4 07:51:15 habanero kernel: [425405.033189] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
May 4 07:51:15 habanero kernel: [425405.033192] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
May 4 07:51:15 habanero kernel: [425405.033194] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
May 4 07:51:15 habanero kernel: [425405.033196] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
May 4 07:51:15 habanero kernel: [425405.033198] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
May 4 07:51:15 habanero kernel: [425405.033200] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
May 4 07:51:17 habanero avahi-daemon[1696]: Withdrawing address record for 2605:6000:100e:c073:3d66:cec1:f213:3d26 on eth0.
May 4 07:51:17 habanero avahi-daemon[1696]: Leaving mDNS multicast group on interface eth0.IPv6 with address 2605:6000:100e:c073:3d66:cec1:f213:3d26.
May 4 07:51:17 habanero avahi-daemon[1696]: Joining mDNS multicast group on interface eth0.IPv6 with address 2605:6000:100e:c073:21e:68ff:fed6:7636.
May 4 07:51:17 habanero dhclient: DHCPREQUEST of 192.168.1.104 on wlan0 to 255.255.255.255 port 67 (xid=0x553aef8)
May 4 07:51:21 habanero NetworkManager[1772]: <info> (eth0): carrier now OFF (device state 100, deferring action for 4 seconds)
May 4 07:51:21 habanero kernel: [425411.065496] r8169 0000:03:00.0 eth0: link down
May 4 07:51:23 habanero NetworkManager[1772]: <info> (eth0): carrier now ON (device state 100)
May 4 07:51:23 habanero kernel: [425412.693894] r8169 0000:03:00.0 eth0: link up
May 4 07:51:30 habanero NetworkManager[1772]: <warn> (wlan0): link timed out.
May 4 07:51:30 habanero NetworkManager[1772]: <info> (wlan0): device state change: activated -> failed (reason 'SSID not found') [100 120 53]
May 4 07:51:30 habanero NetworkManager[1772]: <warn> Activation (wlan0) failed for connection 'olalmaro5'
May 4 07:51:30 habanero dbus[1572]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
May 4 07:51:30 habanero NetworkManager[1772]: <info> (wlan0): device state change: failed -> disconnected (reason 'none') [120 30 0]
May 4 07:51:30 habanero NetworkManager[1772]: <info> (wlan0): deactivating device (reason 'none') [0]
May 4 07:51:30 habanero NetworkManager[1772]: <info> (wlan0): canceled DHCP transaction, DHCP client pid 19785
May 4 07:51:30 habanero avahi-daemon[1696]: Withdrawing address record for 2605:6000:100e:c073:a18e:f467:24c3:f7bb on wlan0.
May 4 07:51:30 habanero avahi-daemon[1696]: Withdrawing address record for 2605:6000:100e:c073:216:eaff:febc:cc0e on wlan0.
May 4 07:51:30 habanero avahi-daemon[1696]: Leaving mDNS multicast group on interface wlan0.IPv6 with address 2605:6000:100e:c073:216:eaff:febc:cc0e.
May 4 07:51:30 habanero avahi-daemon[1696]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::216:eaff:febc:cc0e.
May 4 07:51:30 habanero avahi-daemon[1696]: Withdrawing address record for fe80::216:eaff:febc:cc0e on wlan0.
May 4 07:51:30 habanero avahi-daemon[1696]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::216:eaff:febc:cc0e.
May 4 07:51:30 habanero avahi-daemon[1696]: Interface wlan0.IPv6 no longer relevant for mDNS.
How do I fix this?
I've enabled automatic router firmware updates, but this has not helped over the last weeks.
Thanks in advance,
Robert