Debugging ath device timeouts

[David F. Severski]

Under 6-STABLE, I am encountering intermittent timeouts with an ath device 
(Netgear WG311T).  Beyond compiling and running 80211watch and
80211stats, I'm at a loss as to where I should be looking to try to track
down this problem.  Search through the archives for this error don't seem
to point at a consistent area within the stack to look for a culprit.

Any suggestions as to what could be causing this error?

David

--uname -a
FreeBSD geoff.deadheaven.com 6.0-STABLE FreeBSD 6.0-STABLE #14: Fri Jan
20 11:21:35 PST 2006
root at geoff.deadheaven.com:/usr/obj/usr/src/sys/GEOFF_IP6  i386

--80211watch
Sun Jan 22 10:40:48 RTM_IEEE80211: replay failure: src 00:13:ce:56:34:61
dst 00:0f:b5:fb:f6:b4 cipher 3 keyix 4 keyrsc 51064 rsc 51064
Sun Jan 22 10:40:49 RTM_IEEE80211: replay failure: src 00:13:ce:56:34:61
dst 00:0f:b5:fb:f6:b4 cipher 3 keyix 4 keyrsc 51942 rsc 51942
Sun Jan 22 10:41:22 RTM_IEEE80211: replay failure: src 00:13:ce:56:34:61
dst 00:0f:b5:fb:f6:b4 cipher 3 keyix 4 keyrsc 67719 rsc 67719
Sun Jan 22 10:41:40 RTM_IEEE80211: replay failure: src 00:13:ce:56:34:61
dst 00:0f:b5:fb:f6:b4 cipher 3 keyix 4 keyrsc 77014 rsc 77014
Sun Jan 22 10:41:46 RTM_IEEE80211: replay failure: src 00:13:ce:56:34:61
dst 00:0f:b5:fb:f6:b4 cipher 3 keyix 4 keyrsc 79591 rsc 79591

--80211stats
1040 rx discard 'cuz dup
30 rx beacon frames
37 rx element unknown
19 rx frame chan mismatch
3737 rx frame ssid mismatch
115688 rx discard 'cuz port unauthorized
5 rx seq# violation (CCMP)
1 active scans started
2 passive scans started

--/var/log/messages
Jan 22 10:38:42 geoff kernel: ath0: device timeout

--dmesg
ath0: <Atheros 5212> mem 0xf4110000-0xf411ffff irq 9 at device 16.0
on pci0
ath0: Ethernet address: 00:0f:b5:fb:f6:b4
ath0: mac 7.9 phy 4.5 radio 5.6

--/etc/hostapd.conf
interface=ath0
driver=bsd
logger_syslog=-1
logger_syslog_level=2
logger_stdout=-1
logger_stdout_level=-1
dump_file=/tmp/hostapd.dump
ctrl_interface=/var/run/hostapd
ctrl_interface_group=wheel
ssid=Deadheaven
wpa=1
wpa_passphrase=<REDACTED>
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP

--pciconf -lv
ath0 at pci0:16:0: class=0x020000 card=0x5a001385 chip=0x0013168c rev=0x01
hdr=0x00
    vendor   = 'Atheros Communications Inc.'
    device   = 'AR5212, AR5213 802.11a/b/g Wireless Adapter'
    class    = network
    subclass = ethernet

--ifconfig ath0
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 2290
    inet6 fe80::20f:b5ff:fefb:f6b4%ath0 prefixlen 64 scopeid 0x2
    inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
    ether 00:0f:b5:fb:f6:b4
    media: IEEE 802.11 Wireless Ethernet autoselect <hostap> (autoselect <hostap>)
    status: associated
    ssid Deadheaven channel 2 bssid 00:0f:b5:fb:f6:b4
    authmode WPA privacy MIXED deftxkey 3 AES-CCM 2:128-bit AES-CCM 3:128-bit txpowmax 0 protmode CTS burst ssid HIDE 
    dtimperiod 1 bintval 100
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