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Re: ath9k: DMA failed to stop in 10 ms

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On Thu, Nov 12, 2009 at 10:13 AM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
> On Thu, Nov 12, 2009 at 10:10 AM, Johannes Stezenbach <js@xxxxxxxxx> wrote:
>> On Thu, Nov 12, 2009 at 04:26:00PM +0100, Johannes Stezenbach wrote:
>>>
>>> When running kismet I get a lot of
>>>
>>> [ 2030.531809] ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x00000020
>>
>> Update: It seems that this is only happening when kismet is hopping
>> channels.  So it looks like an unclean shutdown of the receive
>> process and not a real problem -- except that the log flooding is
>> pretty annoying.
>
> Can you try disabling powersave before using monitor mode?
>
> sudo iwconfig wlan0 power off

That is, we shoudn't be sleeping during monitor mode. Curious if
somehow we are getting to that state.

  Luis
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