#7750: wireless connection stops working over and ver again (ath9k)
--------------------------+------------------------------
  Reporter:  anonymous    |      Owner:  developers
      Type:  defect       |     Status:  reopened
  Priority:  highest      |  Milestone:  Backfire 10.03.1
 Component:  base system  |    Version:  Trunk
Resolution:               |   Keywords:
--------------------------+------------------------------

Comment (by th0ma7):

 AhAh!  I've been trying to figure out what my problem was since months!  I
 recently discovered that all my devices gets disconnected all the time
 (wich I now presume resulted to unexpected mobile data fees at the end of
 the month due to inability to stay properly connected on my local
 network).

 This really look similar to my problem using a "TP-Link TL-WDR4300 v1"
 using 15.05-rc3 with following chips:
 [   11.290000] ieee80211 phy0: Atheros AR9340 Rev:2 mem=0xb8100000, irq=47
 [   11.320000] ieee80211 phy1: Atheros AR9300 Rev:4 mem=0xb0000000, irq=40

 Example of reconnection every 10 minutes:Thu Sep 10 00:24:22 2015
 daemon.info hostapd: wlan1: STA 5c:f8:a1:2c:16:fe WPA: group key handshake
 completed (RSN)
 Thu Sep 10 00:24:23 2015 daemon.info hostapd: wlan1: STA c4:9a:02:69:3d:c6
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:24:26 2015 daemon.info hostapd: wlan0: STA 00:15:99:09:b0:e7
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:24:26 2015 daemon.info hostapd: wlan0: STA c4:9a:02:69:1e:35
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:24:26 2015 daemon.info hostapd: wlan0: STA 80:56:f2:33:be:69
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:24:27 2015 daemon.info hostapd: wlan0: STA 48:e9:f1:32:de:37
 WPA: group key handshake completed (RSN)
 -
 Thu Sep 10 00:34:22 2015 daemon.info hostapd: wlan1: STA 5c:f8:a1:2c:16:fe
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:34:23 2015 daemon.info hostapd: wlan1: STA c4:9a:02:69:3d:c6
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:34:26 2015 daemon.info hostapd: wlan0: STA 00:15:99:09:b0:e7
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:34:26 2015 daemon.info hostapd: wlan0: STA 80:56:f2:33:be:69
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:34:27 2015 daemon.info hostapd: wlan0: STA c4:9a:02:69:1e:35
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:34:27 2015 daemon.info hostapd: wlan0: STA 48:e9:f1:32:de:37
 WPA: group key handshake completed (RSN)
 --
 Thu Sep 10 00:44:22 2015 daemon.info hostapd: wlan1: STA 5c:f8:a1:2c:16:fe
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:44:23 2015 daemon.info hostapd: wlan1: STA c4:9a:02:69:3d:c6
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:44:26 2015 daemon.info hostapd: wlan0: STA 00:15:99:09:b0:e7
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:44:26 2015 daemon.info hostapd: wlan0: STA c4:9a:02:69:1e:35
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:44:26 2015 daemon.info hostapd: wlan0: STA 48:e9:f1:32:de:37
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:44:26 2015 daemon.info hostapd: wlan0: STA 80:56:f2:33:be:69
 WPA: group key handshake completed (RSN)
 --
 Thu Sep 10 00:54:22 2015 daemon.info hostapd: wlan1: STA c4:9a:02:69:3d:c6
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:54:22 2015 daemon.info hostapd: wlan1: STA 5c:f8:a1:2c:16:fe
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:54:26 2015 daemon.info hostapd: wlan0: STA 00:15:99:09:b0:e7
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:54:26 2015 daemon.info hostapd: wlan0: STA c4:9a:02:69:1e:35
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:54:27 2015 daemon.info hostapd: wlan0: STA 48:e9:f1:32:de:37
 WPA: group key handshake completed (RSN)
 Thu Sep 10 00:54:27 2015 daemon.info hostapd: wlan0: STA 80:56:f2:33:be:69
 WPA: group key handshake completed (RSN)

 A fix for this would be really really appreciated... !

--
Ticket URL: <https://dev.openwrt.org/ticket/7750#comment:40>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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