Date: Tue, 17 Aug 2010 11:59:33 +0100 From: Rui Paulo <rpaulo@FreeBSD.org> To: Ian FREISLICH <ianf@clue.co.za> Cc: current@freebsd.org Subject: Re: AR9280 "bb hang" and other Message-ID: <0D4EA23D-605F-4F15-B07E-6019055EA6F5@FreeBSD.org> In-Reply-To: <E1OlHMU-0000Vo-Lf@clue.co.za> References: <E1OlHMU-0000Vo-Lf@clue.co.za>
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On 17 Aug 2010, at 09:17, Ian FREISLICH wrote: > Hi >=20 > I recently managed to hack my HP/Compaq BIOS to bypass the RF > Whitelist and replace the (crappy) bwn interface with a (decent) > ath card. >=20 > There are a few things - >=20 > 1. The card has AR5B93 printed on the label, but its detected as: >=20 > ath0@pci0:1:0:0: class=3D0x028000 card=3D0x663211ad = chip=3D0x002a168c rev=3D0x01 hdr=3D0x00 > vendor =3D 'Atheros Communications Inc.' > device =3D 'Atheros AR5B91 Wireless Network Adapter (0001)' > class =3D network >=20 > ath0: <Atheros 9280> mem 0xfeaf0000-0xfeafffff irq 16 at device 0.0 on = pci1 > ath0: [MPSAFE] > ath0: [ITHREAD] > ath0: AR9280 mac 128.2 RF5133 phy 13.0 >=20 > Everything I've read suggests it's actually an Atheros 9281. 9281 is the 9280 MAC, so this is ok. > It's > possible that the label is wrong. I'm reluctant to desolder the > RF shield on the spare card I ordered to see what's actually printed > on the chip. >=20 >=20 >=20 >=20 > 2. I'm getting these messages fairly often. Transmission stops > briefly around these times: >=20 > Aug 17 08:58:47 mini kernel: ath0: bb hang detected (0x80) > Aug 17 09:01:59 mini kernel: ath0: bb hang detected (0x80) > Aug 17 09:05:47 mini kernel: ath0: hardware error; resetting > Aug 17 09:05:47 mini kernel: ath0: 0x00000000 0x00002000 0x00000000, = 0x00000000 0x00000000 0x00000000 > 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. -- Rui Paulo
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