Date: Mon, 07 Dec 2009 21:04:29 -0500 From: Pete Carah <pete@altadena.net> To: stable@freebsd.org Subject: atheros problem Message-ID: <4B1DB42D.3090001@altadena.net>
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With a recent build of 8-stable (last week and again yesterday) the ath 9280 driver doesn't work; wpa_supplicant says "scanning" forever, and if one observes ifconfig it is scanning some of the 11a frequencies and no 11g ones. It also doesn't pick up a legit 11a AP at home, nor does it see *any* AP at work (there are about 12 visible from where I sit). The card works in both fedora and windoze (though fedora has a very annoying 7 second pause every minute or so (irregular intervals). I can stop wpa_supplicant and manually up it and give ifconfig scan; this hangs forever and also only appears to be listing 11a freqs when you look with ifconfig from another window. It had worked before... The only change that shows up in the ath driver is "Add WorldB SKU" to ah_regdomain.c on the 25th. My previous build was somewhere around the 17th so that must have broken it. A cursory svn diff doesn't look bad to me but I only looked at the syntax. And none of the net80211 files have changed since the 7th in my source tree. A second problem that also crept up in the most recent update (yesterday) one of 3 instances of acpi_ec0 causes a panic. If I specify boot_verbose="YES" the panic goes away!! Since this is a laptop with no serial port (any modern laptop :-( I can't capture the panic directly, only copy it with a camera (aren't digital cameras wonderful). Looking at the last message printed in verbose, I'm guessing an access to a freed area; why verbose "fix"es it I don't know (maybe printing reallocates?) This laptop has always given a string of error messages regarding its ec0. (Acer 4730; dual-core 2gig intel cpu, intel chipset, running as amd64) (I run 32-bit windoze but 64 bsd and linux.) -- Pete
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