Originally Posted by
steeldriver
A few more things you can try
1. look in dmesg to see if there are actually any driver errors being reported
Code:
dmesg | grep -e 'ath9k' -e 'interface'
where
interface is your wireless interface (wlan0 or whatever)
2. use the wireless tools to see if there are any nearby routers using the same channel as yours and possibly interfering
Code:
nmcli dev wifi list
or if you don't have nmcli,
Code:
sudo iwlist [interface] scan
If there are, try editing your router config to use a different channel
dmesg | grep -e 'ath9k' -e 'wlan0'
Code:
[ 15.896779] ath9k 0000:03:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 15.896804] ath9k 0000:03:00.0: setting latency timer to 64
[ 16.036445] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
[ 16.037436] Registered led device: ath9k-phy0
[ 17.325814] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 17.330020] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 25.878678] wlan0: authenticate with 4c:e6:76:fa:18:d5 (try 1)
[ 25.880176] wlan0: authenticated
[ 25.906504] wlan0: associate with 4c:e6:76:fa:18:d5 (try 1)
[ 25.908022] wlan0: RX AssocResp from 4c:e6:76:fa:18:d5 (capab=0x11 status=0 aid=2)
[ 25.908026] wlan0: associated
[ 25.911899] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 36.003382] wlan0: no IPv6 routers present
[ 116.526860] wlan0: deauthenticating from 4c:e6:76:fa:18:d5 by local choice (reason=3)
[ 120.487416] wlan0: authenticate with 4c:e6:76:fa:18:d5 (try 1)
[ 120.488964] wlan0: authenticated
[ 120.501692] wlan0: associate with 4c:e6:76:fa:18:d5 (try 1)
[ 120.503262] wlan0: RX ReassocResp from 4c:e6:76:fa:18:d5 (capab=0x11 status=0 aid=2)
[ 120.503272] wlan0: associated
[ 131.432340] wlan0: no IPv6 routers present
I didn't find any channel interference with the second command.
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