interrupt storms with AR5414 on 6.3 RELEASE

[Sam Leffler]

huub wrote:
> I have a problem running the Atheros AR5414 wireless mini-pci-card
> (Compex model WLM54AGP23) with FreeBSD 6.3-RELEASE (GENERIC i 386) on a
> Soekris 4521.
>
> I get lots of messages:
> "interrupt storm detected on "irq10:"; throttling interrupt source" 
> and 
> "ath0: device timeout"
>
> And after sometime the interface stops functioning.
>
> Anybody any suggestion?
> Thanks,
> Huub
>
>
> Information on system follows:
>
>
> # dmesg:
> ....
> ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413,
> RF5413)
> .....
> ath0: <Atheros 5212> mem 0xa0000000-0xa000ffff irq 10 at device 16.0 on
> pci0
> ath0: Ethernet address: 00:80:48:54:c0:92
> ath0: mac 10.5 phy 6.1 radio 6.3
>
> # ifconfig
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet6 fe80::280:48ff:fe54:c092%ath0 prefixlen 64 scopeid 0x1 
>         inet 172.16.0.214 netmask 0xfffffffc broadcast 172.16.0.215
>         ether 00:80:48:54:c0:92
>         media: IEEE 802.11 Wireless Ethernet autoselect (DS/2Mbps)
>         status: associated
>         ssid ap-omni.renv0.wleiden.net channel 1 bssid 00:02:6f:06:d6:14
>         authmode OPEN privacy OFF txpowmax 46 protmode CTS bintval 100
>
> # wicontrol -i ath0
> NIC serial number:                      [  ]
> Station name:                           [ CNodeHuub.wLeiden.NET ]
> SSID for IBSS creation:                 [ ap-omni.renv0.wleiden.net ]
> Current netname (SSID):                 [ ap-omni.renv0.wleiden.net ]
> Desired netname (SSID):                 [ ap-omni.renv0.wleiden.net ]
> Current BSSID:                          [ 00:02:6f:06:d6:14 ]
> Channel list:                           [ ffe 0 1110 1111 1 0 0 0 0 2220
> 22 ]
> IBSS channel:                           [ 1 ]
> Current channel:                        [ 1 ]
> Comms quality/signal/noise:             [ 0 24 0 ]
> Promiscuous mode:                       [ Off ]
> Intersil-Prism2 based card:             [ 1 ]
> Port type (1=BSS, 3=ad-hoc):            [ 1 ]
> MAC address:                            [ 00:80:48:54:c0:92 ]
> TX rate (selection):                    [ 0 ]
> TX rate (actual speed):                 [ 2 ]
> RTS/CTS handshake threshold:            [ 2346 ]
> Create IBSS:                            [ Off ]
> Access point density:                   [ 1 ]
> Power Mgmt (1=on, 0=off):               [ 0 ]
> Max sleep time:                         [ 100 ]
> WEP encryption:                         [ Off ]
> TX encryption key:                      [ 0 ]
> Encryption keys:                        [  ][  ][  ][  ]
>
>   
Some people have reported problems like this when powerd is in use.

    Sam