#18140: TP-Link TL-WR941NDv3 constant disconnects due to excessive missing ACKs
-----------------------+------------------------
 Reporter:  clayman@…  |      Owner:  developers
     Type:  defect     |     Status:  new
 Priority:  normal     |  Milestone:
Component:  packages   |    Version:  Trunk
 Keywords:             |
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 TP-Link TL-WR941N/ND v3
 OpenWrt Chaos Calmer r42893 / LuCI Trunk (git-7f86a80)

 After upgrading from r41900 to r42893 I have constant disconnects due to
 excessive missing ACKs when traffic is high.

 {{{
 Thu Oct 16 16:21:29 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: disconnected due to excessive missing ACKs
 Thu Oct 16 16:21:30 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: authenticated
 Thu Oct 16 16:21:30 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: associated (aid 3)
 Thu Oct 16 16:21:30 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 WPA: pairwise key handshake completed (RSN)
 Thu Oct 16 16:23:15 2014 daemon.notice netifd: wan (1020): Sending
 renew...
 Thu Oct 16 16:23:45 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: disconnected due to excessive missing ACKs
 Thu Oct 16 16:23:48 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: authenticated
 Thu Oct 16 16:23:48 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: associated (aid 3)
 Thu Oct 16 16:23:48 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 WPA: pairwise key handshake completed (RSN)
 Thu Oct 16 16:25:45 2014 daemon.notice netifd: wan (1020): Sending
 renew...
 Thu Oct 16 16:26:04 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: disconnected due to excessive missing ACKs
 Thu Oct 16 16:26:06 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: authenticated
 Thu Oct 16 16:26:06 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: associated (aid 3)
 Thu Oct 16 16:26:06 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 WPA: pairwise key handshake completed (RSN)
 Thu Oct 16 16:26:25 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: disconnected due to excessive missing ACKs
 Thu Oct 16 16:26:27 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: authenticated
 Thu Oct 16 16:26:27 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 IEEE 802.11: associated (aid 3)
 Thu Oct 16 16:26:27 2014 daemon.info hostapd: wlan0: STA cc:b2:55:04:0f:c4
 WPA: pairwise key handshake completed (RSN)
 }}}

--
Ticket URL: <https://dev.openwrt.org/ticket/18140>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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