On 14 July 2014 13:00, John Hay <j...@meraka.org.za> wrote:
> On Mon, Jul 14, 2014 at 12:55:19PM -0700, Adrian Chadd wrote:
>> Right. What's the output of hw.ath ?
>
> tst-11-arm:~ # sysctl hw.ath
> hw.ath.bstuck: 4
> hw.ath.txbuf_mgmt: 32
> hw.ath.txbuf: 200
> hw.ath.rxbuf: 40
> hw.ath.anical: 100
> hw.ath.resetcal: 1200
> hw.ath.shortcal: 100
> hw.ath.longcal: 30
> hw.ath.debug: 0
> hw.ath.hal.debug: 0
>
> All 3 interfaces are in adhoc mode if it makes a difference.

Ah, you're not even using it in 11n mode. Ok.

Well, that's 72 mbufs allocated, and up to 200 more being allocated
during transmit. Then there's the handful of pages being used for DMA
descriptors. So yeah, over time that may become a problem.

Try doubling the number of bounce buffers available and see what happens.




-a
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