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Re: [ath9k-devel] ath9k: race conditions in dma

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BjÃrn Smedman wrote:
> >> 1. TX DMA hangs under simultaneous high RX and TX load
> >> 2. TX is completely hung but chip is never reset
> >
> > I have also observed both of these behaviors with just a standard
> > hostapd single VIF configuration.
> 
> Thanx Ben, it's a relief to know I'm not the only one suffering
> from this.

Just a note to confirm that I have also seen many different failures
related to this. The lasting impression is that it's a big mess.

I bought my first ath9k hardware roughly a year ago. That was totally
useless as STA up until kernels a few months ago. I am now using an
AR9280 card and for the very first time ath9k hardware and driver is
actually working at all for me, but there are still issues as I noted
in the other email.

Unfortunately they're the kind of issues which can't be debugged much
lacking strong knowledge of device internals.


//Peter
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