Re: NeworkManager reporting incorrect signal quality (always at 100%)

[Xavier Callejas <xcalleja ibcinc com>]

Thank you Dan.

How can I help to fix this problem?

openSUSE 10.2 patch por NW+madwifi doesn't fix this problem.

El Wednesday 25 July 2007 07:47:46 Dan Williams escribió:
> > 'iwlist' shows the right values.
>
> No, it doesn't.  You'll note that the Quality reported by iwlist is
> completely bogus:
>
> Quality=30/70  Signal level=-65 dBm  Noise level=-95 dBm
>
> The first # is the difference between signal and noise, which certainly
> doesn't conform to the WEXT specification.  Second, what does the
> atheros driver set in the reported quality flags?  What does it call
> valid?  NM uses the quality reported by the driver as valid before it
> falls back to a signal/noise ratio.
>
> In any case, there are also OpenSUSE patches that special-case madwifi
> signal quality reporting in NM which could also be malfunctioning.
>
> It could be that NM is getting the calculations wrong.  However, madwifi
> has misreported quality for so long that I'm skeptical.
>
> Dan



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Xavier Callejas
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