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Re: b43 error under heavy load

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Hey Chris,

2011/6/1 Chris Vine <chris@xxxxxxxxxxxxxxxxxxxxx>:
> Summary: Traffic sent up from the broadcom wireless device generates
> copious reports of "Stopped TX ring 1" but always carries on with its
> job and stays up, although its traffic is slower than on received
> packets.  Received traffic on the other hand reports no errors until
> the spate of "Out of order TX status report on DMA ring 1" errors
> occurs, which seems to happen at random (albeit accompanied on my
> failed transfer by a single "Stopped TX ring 1" log entry), and when it
> does happen brings the wireless link to a halt. Wireless traffic can be
> restarted simply by reassociating with the AP.

So it seems heavy load of RX can cause problems with TX. I just though
of one another reason, could you test one more thing for me?

Edit drivers/net/wireless/b43/dma.h and change define from value 64 to
in the line:
#define B43_RXRING_SLOTS		64

Can you get "Out of order TX" much more easily after such a change?

-- 
Rafał
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