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Date:      Sat, 2 May 2009 15:17:34 +0200
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        Gustau Perez <gperez@entel.upc.edu>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Signal sensitivity problem with if_rum
Message-ID:  <3a142e750905020617y40f62463ma91b46a015b2b2ab@mail.gmail.com>
In-Reply-To: <49FBF9B5.40800@entel.upc.edu>
References:  <49FA2E3F.9050108@entel.upc.edu> <3a142e750905010655i5e56282eu240e13f2a03dfb02@mail.gmail.com> <49FB55A3.605@entel.upc.edu> <3a142e750905011716g39ea55f0kd081bfdd55709b37@mail.gmail.com> <49FBF9B5.40800@entel.upc.edu>

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On 5/2/09, Gustau Perez <gperez@entel.upc.edu> wrote:
>
>>>   Any idea if is there anything to change/tune ?
>>>
>>
>> There is not just bbp17 to tune there are probably others much more
>> important
>> registers.
>>
>> But as I already mentioned that code is completly missing.
>>
>>
>    I was not talking about autotuning features, which are missing as you
> pointed. Was talking
> just about changing/tuning values of some registers to increase
> reception sensitivity.
>
>   The people  of linux, seem to have increased the sensitivity by
> modifing bbp17 and disabling
> autotuning. I tried with bbp17 and for the autotuning disabled, well, we
> already have it
> implemented :) (just joking) Anyway, giving that I didn't get an
> increase of sensitivity, I think we'll
> need the help of the developers.
>
>   Well, this morning will try to increase sensitivity of those usb rum
> with a linux system, just to check
> what they say here :

That information is misleading, I remmember reading somewhere that linux rt73
had similar problems like rum but it got fixed, and is not present in
new kernels.
I think that problem originated for linux from now obsolete drivers.

On what linux version and what drivers version do you experience
similar problems
with signal sensitivity like with rum?

-- 
Paul



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