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Re: rate instability in wireless stack

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Andi Kleen wrote:
> Lots of zeroes.
> 
> -Andi
> 
> rate     throughput  ewma prob   this prob  this succ/attempt   success    attempts
> TtP  1         0.0        0.0        0.0          1(  0)          0           0
>      2         0.0        0.0        0.0          0(  0)          0           0
>      5.5       0.0        0.0        0.0          0(  0)          0           0
>     11         0.0        0.0        0.0          0(  0)          0           0
>      6         0.0        0.0        0.0          0(  0)          0           0
>      9         0.0        0.0        0.0          0(  0)          0           0
>     12         0.0        0.0        0.0          0(  0)          0           0
>     18         0.0        0.0        0.0          0(  0)          0           0
>     24         0.0        0.0        0.0          0(  0)          0           0
>     36         0.0        0.0        0.0          0(  0)          0           0
>     48         0.0        0.0        0.0          0(  0)          0           0
>     54         0.0        0.0        0.0          0(  0)          0           2
> 
> Total packet count::    ideal 46      lookaround 2
It looks like mac80211 is not getting proper feedback from the tx
status of the device. Is this with the patch that Larry suggested?
If so, please revert that patch and post an updated version of the
same stats.
The info->status.rates[0].count is supposed to contain the number of
tx attempts, not the number of retransmissions (at least that's what
minstrel expects).

- Felix
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