ath0 link up/down frequent

[Dan Langille]

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Hi,

I get this a lot:

Aug 22 12:18:40 laptop kernel: ath0: link state changed to DOWN
Aug 22 12:18:48 laptop kernel: ath0: link state changed to UP
Aug 22 12:49:49 laptop kernel: ath0: link state changed to DOWN
Aug 22 12:49:56 laptop kernel: ath0: link state changed to UP


FreeBSD laptop.example.org 7.2-STABLE FreeBSD 7.2-STABLE #0: Mon May 25
20:35:50 EDT 2009     dan at laptop.example.org:/usr/obj/usr/src/sys/LAPTOP
 amd64


ath0 at pci0:3:0:0:        class=0x020000 card=0x058a1014 chip=0x1014168c
rev=0x01 hdr=0x00
    vendor     = 'Atheros Communications Inc.'
    device     = 'AR5212 Atheros AR5212 802.11abg wireless'
    class      = network
    subclass   = ethernet

Looking into /var/log/messages:


Aug 22 10:09:24 laptop kernel: ath0: link state changed to DOWN
Aug 22 10:09:50 laptop kernel: ath0: link state changed to UP
Aug 22 10:09:53 laptop dhclient: New IP Address (ath0): 10.0.0.101
Aug 22 10:09:53 laptop dhclient: New Subnet Mask (ath0): 255.255.255.0
Aug 22 10:09:53 laptop dhclient: New Broadcast Address (ath0): 10.0.0.255
Aug 22 10:09:53 laptop dhclient: New Routers (ath0): 10.0.0.1
Aug 22 10:35:31 laptop kernel: ath0: link state changed to DOWN
Aug 22 10:35:31 laptop kernel: ath0: link state changed to UP


FWIW, I'm running wpa as well.

Anything I should look into?

- --
Dan Langille

BSDCan - The Technical BSD Conference : http://www.bsdcan.org/
PGCon  - The PostgreSQL Conference:     http://www.pgcon.org/
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