Date: Mon, 20 Aug 2012 09:36:04 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: freebsd-wireless@freebsd.org Subject: Re: New ath code works well as AP Message-ID: <CAJ-VmonybT879YHyJk3QWa8Dru2p4ogG0hHHq-fwgOtMzgNYug@mail.gmail.com> In-Reply-To: <20120820163118.GN98910@zxy.spb.ru> References: <1311732708.20120815005429@serebryakov.spb.ru> <20120819071403.GF98910@zxy.spb.ru> <CAJ-Vmompt74rHx=C8Z5L978ciFN1LnPr2Mz=5PB3a%2BdgZJ8GVA@mail.gmail.com> <20120820125524.GL98910@zxy.spb.ru> <CAJ-VmokyTZyEEeodfmzFzA07tGVAu6QJHxNBWbrJpEMUb_Etig@mail.gmail.com> <20120820160344.GM98910@zxy.spb.ru> <CAJ-Vmo=wrZmTzObjRkoyNMvSQxTEehP9m3VTwaqHmDdU_kG1sg@mail.gmail.com> <20120820163118.GN98910@zxy.spb.ru>
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On 20 August 2012 09:31, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote: >> The main issues I see right now are very likely due to noisy >> environments and ANI behaving poorly. > > How you detect noisy environments? > (some output from athsurvey?) Yup. Look at the channel busy statistics. YOur channel isn't busy at all. > What level of noisy is acpetable in terms of athsurvey and in terms of > physicaly units? (I can use Cisco Spectrum Expert for survey, but not > simultaneously with this card). Anything bursty, wide or narrow band, will cause issues. > What is ANI? Ambient/Automatic Noise Immunity. There's some code which adjusts some PHY parameters to do with signal sizing and offset; however I may have (more) broken it. I need to sit down and add some further debugging and write an inspection tool or two to figure out exactly what's going on. > What I need to try in next time of lost traffic? > (no messages in console in this situation, nothing about "ath0: device > timeout" nor "ath0: bb hang detected (0x4), resetting"). > > Do I need to enable some debug? Well, what do you mean by "lost traffic" ? I need some more information about that. Adrian
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