Date: Sun, 6 Nov 2011 23:18:05 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: update - new hal flag to force a full chip reset Message-ID: <939228459.20111106231805@serebryakov.spb.ru> In-Reply-To: <CAJ-VmonNPmLcCQGHHQkix0-a2X70LSUng9gXMqWikM1A8yQ_sg@mail.gmail.com> References: <CAJ-VmomPuBs_51-X8Pin4MPtek507EUe5yjJbKhv906FtHAMZg@mail.gmail.com> <659763790.20111106220522@serebryakov.spb.ru> <CAJ-VmonNPmLcCQGHHQkix0-a2X70LSUng9gXMqWikM1A8yQ_sg@mail.gmail.com>
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Hello, Adrian. You wrote 6 =ED=EE=FF=E1=F0=FF 2011 =E3., 22:15:19: >>> Good luck, and thanks to everyone who has been testing my code out! >> =A0Do you need any help? Maybe, running AP with additional debug output, >> or something like this? > Just dump the NF calibration results (sysctl dev.ath.X.hal.debug=3D0x8) > and crank it up to say, 2 to 5 seconds (sysctl hw.ath.longcal=3D5). > Let's see what the NF results are like. I've sent your these data, do you need more from exactly the same setup? :) I could make tests in the middle of working say, when environment isn't so noisy -- less APs are seen, and spee is better. > I have a nasty feeling that the AR9280 series NICs report some rather > high NF values. The values themselves aren't actually raw NF dBm, > they're just a dB value - but the fact that it's so high is likely a > symptom of the overall problem (which is likely that the signal levels > are all configured wrong when faced with interference.) BTW, is here other ATH PCI chipsets with 802.11n? I've checked all Mirkotik Mini-PCI cards, for example, all of them are based on 9820, with different setups of RF part, some of them are single-band (2.4Ghz only), some of them are dual-band, some of them are dual-band and have amplifier, which adds some dBs of output, but chipset is the same. And the same with TP-Link cards, which could be purchased here (in Russia). It seems, --=20 // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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