interrupt storms with AR5414 on 6.3 RELEASE

[huub]

On Mon, 2008-02-18 at 15:10 -0800, Sam Leffler wrote:
> 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.
.......
>  
> Some people have reported problems like this when powerd is in use.
> 
>     Sam
> 
> 

I am not running powerd.

I have now replaced the Compex WLM54AGP23 with the AR5414 chip with a
Winstron CM9 card (AR5212 chip). This card also gives problems although
messages are different and less frequent, see below.


Feb 18 15:07:29  kernel: ath0: <Atheros 5212> mem 0xa0000000-0xa000ffff
irq 10 at device 16.0 on pci0
Feb 18 15:07:29  kernel: ath0: Ethernet address: 00:0b:6b:81:a8:80
Feb 18 15:07:29  kernel: ath0: mac 5.9 phy 4.3 radio 3.6
Feb 18 15:07:36  kernel: ath0: link state changed to UP
Feb 18 15:59:21  kernel: ath0: link state changed to DOWN
Feb 18 16:01:23  kernel: ath0: link state changed to UP
Feb 18 17:58:11  kernel: ath0: device timeout
Feb 18 18:16:44  kernel: ath0: device timeout
Feb 18 20:05:00  kernel: ath0: device timeout
Feb 18 22:22:19  kernel: ath0: device timeout
Feb 18 23:20:49  kernel: ath0: device timeout
Feb 19 00:03:44  kernel: ath0: device timeout
Feb 19 00:30:11  kernel: ath0: link state changed to DOWN
Feb 19 00:30:21  kernel: ath0: link state changed to UP
Feb 19 00:30:36  kernel: ath0: link state changed to DOWN
Feb 19 00:30:46  kernel: ath0: link state changed to UP
Feb 19 00:31:11  kernel: ath0: link state changed to DOWN
Feb 19 00:31:21  kernel: ath0: link state changed to UP
Feb 19 00:31:25  kernel: ath0: link state changed to DOWN
Feb 19 00:31:35  kernel: ath0: link state changed to UP
Feb 19 00:40:43  kernel: ath0: link state changed to DOWN
Feb 19 00:40:53  kernel: ath0: link state changed to UP
Feb 19 02:38:59  kernel: ath0: device timeout
Feb 19 03:42:20  kernel: ath0: device timeout
Feb 19 05:03:34  kernel: ath0: device timeout
Feb 19 05:34:56  kernel: ath0: device timeout
Feb 19 05:37:54  kernel: ath0: device timeout
Feb 19 06:39:43  kernel: ath0: device timeout
Feb 19 07:14:58  kernel: ath0: device timeout
Feb 19 07:29:57  kernel: ath0: link state changed to DOWN
Feb 19 07:30:07  kernel: ath0: link state changed to UP
Feb 19 07:31:25  kernel: ath0: link state changed to DOWN
Feb 19 07:31:35  kernel: ath0: link state changed to UP
Feb 19 07:31:38  kernel: ath0: link state changed to DOWN
Feb 19 07:31:48  kernel: ath0: link state changed to UP
Feb 19 07:31:52  kernel: ath0: link state changed to DOWN
Feb 19 07:32:44  kernel: ath0: link state changed to UP
Feb 19 07:54:11  kernel: ath0: device timeout
etc.