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Re: "ressource temporarily unavailable" on 2.4 GHz, not on 5GHz

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On Wed, Jun 16, 2010 at 04:05:49PM +0200, Dennis Borgmann wrote:
> Hello wireless-list!
> Hello hostapd-list!
> 
> I am using ath5k with hostapd-0.6.9 on a debian running kernel 2.6.34
> and I am observing a "ressource temporarily unavailable" - error code 11
> if I pump out multicast-packets quite fast. I wrote a small
> test-program, that handles this test and as soon as I go down to a
> 8ms-pause or below in betweens the packets, the error is thrown quite
> soon after starting the program. Funny thing is, that this error only
> occurs in g-band (2.4 GHz), not in a-band (5GHz).
> 
> What could be the problem? Is this due to backoff-times in 2.4 GHz, that
> don't occur on 5 GHz? Or could this be a bug?

My only initial thought is that the 2.5GHz band is usually more
utilized.  So there is more likely to be retransmissions, etc.

> Find attached my small piece of code to test and reproduce this effect.

Perhaps you could include actual dmesg output?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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