Date: Mon, 28 Sep 2009 20:29:55 -0700 From: Sam Leffler <sam@freebsd.org> To: Alex Dupre <ale@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Atheros 9280 issue Message-ID: <4AC17F33.80800@freebsd.org> In-Reply-To: <4AC0BB4A.40201@FreeBSD.org> References: <4AC0BB4A.40201@FreeBSD.org>
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Alex Dupre wrote: > I have a Zotac ION board with an Atheros 9280 in the mini-pci slot. I > did a few tests in sta and hostap mode with 8.0-BETA4 and all seemed to > work correctly. Today I switched off my old access point and replaced it > with this new system and FreeBSD 8.0-RC1, but suddenly I got plenty (one > every few seconds) of the following error messages: > > ath0: stuck beacon; resetting (bmiss count 4) > > Clients can connect to the AP, but obviously packets are dropped every > time the card is reset. How do you know packets are dropped? Nothing should be lost. > > Is there anything I can do to help debugging the issue? > > > dmesg: > > ath0: <Atheros 9280> mem 0xfebf0000-0xfebfffff irq 16 at device 0.0 on pci4 > ath0: [ITHREAD] > ath0: AR9280 mac 128.2 RF5133 phy 13.0 > > > pciconf: > > ath0@pci0:4:0:0: class=0x028000 card=0x10671a3b chip=0x002a168c > rev=0x01 hdr=0x00 > vendor = 'Atheros Communications Inc.' > device = 'Atheros AR5B91 Wireless Network Adapter (0001)' > class = network > "every few seconds" is not helpful. Look for something else in the system that coincides w/ your msgs. It's possible that periodic calibration done by the driver has a bad effect; you can turn it off by setting a sysctl (look at sysctl -a and/or the driver code). Sam
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