Steve Brown wrote:
> Feb 20 11:01:29 ubuntu kernel: [15783.068821] ath9k: Set channel: 2437 MHz
> Feb 20 11:01:29 ubuntu kernel: [15783.068825] ath9k: tx chmask: 1, rx chmask:
> 1
> Feb 20 11:01:29 ubuntu kernel: [15783.068909] ath9k: (2412 MHz) -> (2437
> MHz), chanwidth: 0
> Feb 20 11:01:29 ubuntu kernel: [15783.069918] ath9k: RX filter 0x0 bssid
> 00:0e:8e:1d:f5:5b aid 0x0
> Feb 20 11:01:29 ubuntu kernel: [15783.070935] ath9k: Set channel: 2437 MHz
> Feb 20 11:01:29 ubuntu kernel: [15783.070941] ath9k: tx chmask: 1, rx chmask:
> 1
> Feb 20 11:01:29 ubuntu kernel: [15783.071026] ath9k: (2437 MHz) -> (2437
> MHz), chanwidth: 0
Is the AP on channel 6 ? Configured with dynamic 20/40 ?
> Feb 20 11:01:29 ubuntu kernel: [15783.074932] ath9k: RX filter 0x0 bssid
> 00:0e:8e:1d:f5:5b aid 0x0
> Feb 20 11:01:29 ubuntu kernel: [15783.075828] ath9k: Configure tx
> [queue/halq] [0/3], aifs: 2, cw_min: 15, cw_max: 1023, txop: 0
> Feb 20 11:01:29 ubuntu kernel: [15783.075842] ath9k: Configure tx
> [queue/halq] [1/2], aifs: 2, cw_min: 15, cw_max: 1023, txop: 0
> Feb 20 11:01:29 ubuntu kernel: [15783.075853] ath9k: Configure tx
> [queue/halq] [2/1], aifs: 2, cw_min: 15, cw_max: 1023, txop: 0
> Feb 20 11:01:29 ubuntu kernel: [15783.075864] ath9k: Configure tx
> [queue/halq] [3/0], aifs: 2, cw_min: 15, cw_max: 1023, txop: 0
> Feb 20 11:01:29 ubuntu kernel: [15783.075880] wlan2: authenticate with AP
> 00:0e:8e:1d:f5:5b
> Feb 20 11:01:29 ubuntu kernel: [15783.078537] wlan2: authenticated
> Feb 20 11:01:29 ubuntu kernel: [15783.078540] wlan2: associate with AP
> 00:0e:8e:1d:f5:5b
> Feb 20 11:01:29 ubuntu kernel: [15783.081874] wlan2: RX AssocResp from
> 00:0e:8e:1d:f5:5b (capab=0x411 status=0 aid=2)
> Feb 20 11:01:29 ubuntu kernel: [15783.081878] wlan2: associated
> Feb 20 11:01:29 ubuntu kernel: [15783.081889] ath9k: Choosing rate table for
> mode: 10
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This is the bug, the AP advertises 20/40, but sets the operating channel to 20
Mhz,
but ath9k chooses the wrong rate table since it doesn't honor the AP's current
channel width.
Sujith
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