From owner-freebsd-current@FreeBSD.ORG Wed Aug 18 09:14:13 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0369810656A6 for ; Wed, 18 Aug 2010 09:14:13 +0000 (UTC) (envelope-from rpaulo@freebsd.org) Received: from karen.lavabit.com (karen.lavabit.com [72.249.41.33]) by mx1.freebsd.org (Postfix) with ESMTP id BF1718FC0C for ; Wed, 18 Aug 2010 09:14:12 +0000 (UTC) Received: from e.earth.lavabit.com (e.earth.lavabit.com [192.168.111.14]) by karen.lavabit.com (Postfix) with ESMTP id 0410711B85D; Wed, 18 Aug 2010 04:14:12 -0500 (CDT) Received: from 10.0.10.3 (54.81.54.77.rev.vodafone.pt [77.54.81.54]) by lavabit.com with ESMTP id 60AXBBGQHITG; Wed, 18 Aug 2010 04:14:12 -0500 Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Rui Paulo In-Reply-To: Date: Wed, 18 Aug 2010 10:14:03 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: References: <0D4EA23D-605F-4F15-B07E-6019055EA6F5@FreeBSD.org> To: Ian FREISLICH X-Mailer: Apple Mail (2.1081) Cc: current@freebsd.org Subject: Re: AR9280 "bb hang" and other X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Aug 2010 09:14:13 -0000 On 18 Aug 2010, at 09:26, Ian FREISLICH wrote: > Rui Paulo wrote: >> On 17 Aug 2010, at 09:17, Ian FREISLICH wrote: >>> Aug 17 09:29:08 mini kernel: ath0: bb hang detected (0x80), = resetting >>> Aug 17 09:37:57 mini kernel: ath0: bb hang detected (0x80), = resetting >>> Aug 17 09:49:10 mini kernel: ath0: bb hang detected (0x80), = resetting >>> Aug 17 10:06:17 mini kernel: ath0: bb hang detected (0x80), = resetting >>=20 >> BB hangs are a problem with the 9280 but I don't know how to fix. >> Hardware errors shouldn't happen, but this might mean you have >> very aggressive power reduction settings (ACPI C3, etc.) that are >> interfering with the atheros card. This has happened to me in the >> past. >=20 > Now, I've made 2 changes so I'm not sure which affected it: >=20 > 1. I replaced the card with an AR9285 >=20 > ath0@pci0:1:0:0: class=3D0x028000 card=3D0x7167144f chip=3D0x002b168c = rev=3D0x01 hdr=3D0x00 > vendor =3D 'Atheros Communications Inc.' > device =3D 'Atheros AR9285 Wireless LAN 802.11 a/b/g/n Controller = (AR928x)' > class =3D network >=20 > 2. I changed the channel on our AP. (there were 2 other nearby APs > on the same channel). >=20 > I noticed that I got a lot more bb hangs at the office compared to > home - there are a lot more APs nearby: >=20 > [mini] /usr/home/ianf $ ifconfig wlan0 scan > SSID/MESH ID BSSID CHAN RATE S:N INT CAPS > Ignition 00:26:bb:78:b4:91 6 54M -89:-96 100 EPS RSN = HTCAP WPA WME > Eco Impact 00:22:3f:55:80:bc 11 54M -92:-96 100 EP HTCAP = WPS WPA WME > Viic 00:14:6c:49:3f:1c 11 54M -92:-96 100 EPS WPA ATH = WME > cluelan 00:30:4f:58:bf:96 7 54M -72:-96 100 EPS WPA ATH = WME > PRIVATE LABEL 00:19:70:05:28:c4 3 54M -79:-96 100 EP WPA WME > blinkbroom1 00:18:4d:1c:8e:3a 5 54M -89:-96 100 EPS WPA > Sasman 00:26:f2:46:2c:de 1 54M -93:-96 100 EP WME > cocoa 00:26:f2:3d:aa:13 3 54M -94:-96 200 EPS WME = HTCAP ATH > CareCross 30:46:9a:1e:b0:ca 8 54M -35:-96 100 EPS RSN WPA >=20 > We're "cluelan" and we were on channel 3. Previously, I was seeing > a hang every 10 minutes or so, since changing the channel to a > "free" one, I haven't had a hang in the last 40 minutes. The only > bb hang I've had was when I deactivated the RF switch on netbook > and that was a semi-expected result. Yes, the hangs are dependent on the signal and noise conditions. Regards, -- Rui Paulo