Deauthentication of clients due to inactivity

Installing and Using OpenWrt
1

I have followed the instructions here, however, this still does not fix my issue. I have updated all packages to the latest version in hopes that would fix the problem somehow but to no avail. I have also taken a look at this bug report and removed the country option, that still didnt fix the issue.

Device: Linksys WRT1900ACS
OpenWRT Version: 21.02.1 r16325-88151b8303
Architecture: arm_cortex-a9_vfpv3-d16

Mon Dec 13 14:04:52 2021 kern.debug kernel: [163686.092909] ieee80211 phy0: Mac80211 start BA [REDACTED MAC ADDRESS]
Mon Dec 13 14:12:15 2021 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED [REDACTED MAC ADDRESS]
Mon Dec 13 14:12:15 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: disassociated
Mon Dec 13 14:12:16 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Mon Dec 13 14:12:20 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: authenticated
Mon Dec 13 14:12:20 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: associated (aid 6)
Mon Dec 13 14:12:20 2021 daemon.notice hostapd: wlan0: AP-STA-CONNECTED [REDACTED MAC ADDRESS]
Mon Dec 13 14:12:20 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] WPA: pairwise key handshake completed (RSN)
Mon Dec 13 14:12:22 2021 kern.debug kernel: [164136.819439] ieee80211 phy0: Mac80211 start BA [REDACTED MAC ADDRESS]
Mon Dec 13 14:14:29 2021 kern.debug kernel: [164263.124592] ieee80211 phy0: Mac80211 start BA [REDACTED MAC ADDRESS]
Mon Dec 13 14:15:04 2021 daemon.notice hostapd: wlan0: AP-STA-DISCONNECTED [REDACTED MAC ADDRESS]
Mon Dec 13 14:15:04 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: disassociated
Mon Dec 13 14:15:05 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
Mon Dec 13 14:15:08 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: authenticated
Mon Dec 13 14:15:08 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] IEEE 802.11: associated (aid 6)
Mon Dec 13 14:15:08 2021 daemon.notice hostapd: wlan0: AP-STA-CONNECTED [REDACTED MAC ADDRESS]
Mon Dec 13 14:15:08 2021 daemon.info hostapd: wlan0: STA [REDACTED MAC ADDRESS] WPA: pairwise key handshake completed (RSN)
Mon Dec 13 14:15:09 2021 kern.debug kernel: [164303.439120] ieee80211 phy0: Mac80211 start BA 
[REDACTED MAC ADDRESS]
2

Uncheck "Disable Inactivity Polling".

Increase the value in "Station inactivity limit".

I have a couple of static devices that were getting kicked when I didn't want them kicked, so that solved it.

3

I tried what you suggested but "Disable Inactivity Polling" was already unhecked, however I tried with it checked and the problem still persists. Increasing the value in "Station inactivity limit" does not do anything for me either.

4

Unchecked and increased value? (something like an hour).

5

Yep, even with 3 hours, it deauths every 5-20 mins.

6

This bug is still around now and I think it is an ath10k bug

7

Facing same issue of frequent disconnection. After experimenting with different configs issue could not be resolved. Finally, re-installed the same firmware of 18.06.4 in the device and issue resolved completely. Earlier was getting 20-30% packet drops and post re-installing the same firmware packet loss is 0%.
My device config is:

"system": "ARMv7 Processor rev 5 (v7l)",
"board_name": "8dev,jalapeno",
"target": "ipq40xx\/generic",

Might be useful to those who are facing same issue.