On 09/11/2013 11:14 AM, Dan Williams wrote:
Some relevant bits:
Sep 11 16:49:38 Arbeits-PC NetworkManager[1104]: <info> (wlan0): supplicant interface state: 4-way handshake -> completed
Sep 11 16:49:44 Arbeits-PC kernel: [ 1749.454788] wlan0: Connection to AP a0:f3:c1:05:80:ec lost
Sep 11 16:49:45 Arbeits-PC wpa_supplicant[1205]: wlan0: CTRL-EVENT-DISCONNECTED bssid=a0:f3:c1:05:80:ec reason=4
Sep 11 16:49:45 Arbeits-PC NetworkManager[1104]: <info> (wlan0): supplicant interface state: completed -> disconnected
Sep 11 16:49:45 Arbeits-PC NetworkManager[1104]: <info> (wlan0): supplicant interface state: disconnected -> scanning
Sep 11 16:49:45 Arbeits-PC wpa_supplicant[1205]: wlan0: SME: Trying to authenticate with a0:f3:c1:05:80:ec (SSID='WG-WLAN' freq=2427 MHz)
Sep 11 16:49:45 Arbeits-PC kernel: [ 1750.282343] wlan0: authenticate with a0:f3:c1:05:80:ec
Sep 11 16:49:45 Arbeits-PC NetworkManager[1104]: <info> (wlan0): supplicant interface state: scanning -> authenticating
Sep 11 16:49:45 Arbeits-PC kernel: [ 1750.306287] wlan0: send auth to a0:f3:c1:05:80:ec (try 1/3)
Sep 11 16:49:45 Arbeits-PC kernel: [ 1750.410098] wlan0: send auth to a0:f3:c1:05:80:ec (try 2/3)
Sep 11 16:49:46 Arbeits-PC kernel: [ 1750.514232] wlan0: send auth to a0:f3:c1:05:80:ec (try 3/3)
Sep 11 16:49:46 Arbeits-PC kernel: [ 1750.618374] wlan0: authentication with a0:f3:c1:05:80:ec timed out
So the AP is disconnecting the device a couple seconds with reason 4,
which is "Disassociated due to inactivity". My thought is that this
points to a driver bug (Larry?).
Possibly, but for reference, my Edimax EW-7811Un has been running for 37 hours.
During that time, I have had no deauthentications and only 2 instances of the
"AP lost" reconnections. The latter is what I am currently trying to fix, but at
that error rate, it is difficult. I am running the latest 3.11 kernel from
wireless testing.
The only thing I am doing that is unusual is that I am pinging my router at a 5
second interval using the command
ping -i5 192.168.1.1
It is possible that I am preventing a power save operation, which is making a
difference.
Larry
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