[Prism54-devel] Speed dropdowns every 10 seconds?

Andriy Korud a.korud at vector.com.pl
Thu Dec 2 14:53:07 UTC 2004


Thanks, 
I've just made quick check and got totally nothing with iwevent and
debug with level 0x07 was also quite. 
Debug at 0x0F level was very noisy but nothing unusual.
Also, I've checked previous firmware - 1.0.3.0 - the same. 

Interested thing - when I use Win2k as client and run transmission in
Win->Linux direction I can also observe those 'holes', but they are
smaller - speed drop down from 27 to 24Mbit/s. 

The same setup, transmission in Linux->Win direction - holes up to
7-8Mbps. 

Now I'm installing third card as monitor as will see what is happening. 
I'm willing provide any possible help to resolve (or, at least identify)
this problem.

best regards,

--

Andriy Korud


On Thu, 2004-12-02 at 12:44 +0100, Feyd wrote:
> On Thu, 02 Dec 2004 11:58:31 +0100
> Andriy Korud <a.korud at vector.com.pl> wrote:
> 
> > 
> > I was able to achieve TCP transfer rate 28 Mbit/s (netperf<->netserver),
> > but every 10 second (exactly) speed drops down below 10Mbit/s and
> > immediately returns back. Nothing serious, but this significantly
> 
> This was allready reported, but not reproduced. Try to enable debugging
> and watch for anything unusual around the time of the drop. Maybe
> iwevent output could say something too. And if you could setup another
> card in monitor mode and watch the communication with ethereal it would be
> best.
> 
> Feyd
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> Prism54-devel at prism54.org
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