Re: Freebsd 8.0 ath, Soekris 4511, tinybsd, IRQ storm.

Hi sam.

More Updates.

I try it with FreeBSD 7.0 and same hardware.

I'm still getting irq storms but seems to be working only after :

ifconfig ath0 media OFDM54

If I left it in autoselect doesn't work.

So after setup the OFDM I can do an scan an it show me the results.

But in version 8.0 if not working even if I force the modulation.

that helps ?

Thanks.



On 26-May-08, at 1:55 PM, Jose Amengual M wrote:

> Hi Sam.
>
>
>> What are the interrupts?  = IRQ 11 is for ath, do you need anything  
>> else ? ( please let me know )
>
>
>> Does the storm persist or stop?  = The storm persist, never stop,  
>> but if you do an ifconfig wlan0 down the storm stop.
>
>> Does your card otherwise work as expected? = the card doesn't work  
>> if you try to do an scan nothing appears and you can wait forever.
>
> I can give access if you want, let me know to my personal address.
>
> Thanks.
>
>
>
> On 26-May-08, at 1:40 PM, Sam Leffler wrote:
>
>> Jose Amengual M wrote:
>>> Hi guys.
>>>
>>> I'm working with FreeBSD 8.0 current using tinybsd to make a image  
>>> for my Soekris 4511 box.
>>>
>>> The build image is ok and the system boot up perfect, It detect  
>>> all the network cards includin the ath0 that is a 400 mw NMP-8602  
>>> PLUS.
>>>
>>> In the moment that I do :
>>>
>>> ifconfig wlan create wlandev ath0
>>> ifconfig wlan up
>>>
>>> I'm reciving this :
>>>
>>> interrupt storm detected on "irq11:"; throttling interrupt source
>>>
>>> and is only when I take up the wlan0 interface, if I don't do  
>>> anything with the ath0 card, the system works perfect.
>>>
>>> I search in the net for an info and I found a lot of information  
>>> about how to build FreeBSD in Soekris boxes, kernel conf files,  
>>> etc, but nothing about this caind of problem in version 8.0.
>>>
>>> My vmstat -i is :
>>>
>>> tinybsd# vmstat -i
>>> interrupt                          total       rate
>>> irq0: clk                         170695        490
>>> irq4: sio0                          1993          5
>>> irq8: rtc                          43697        125
>>> irq9: sis1                           392          1
>>> irq11: ath0                        32626         93
>>> irq14: ata0                        16261         46
>>> Total                             265664        763
>>>
>>> my pciconf -lv is :
>>>
>>> tinybsd# pciconf -lv
>>> hostb0_at_pci0:0:0:0:      class=0x060000 card=0x00000000  
>>> chip=0x30001022 rev=0x00 hdr=0x00
>>>  class      = bridge
>>>  subclass   = HOST-PCI
>>> cbb0_at_pci0:0:9:0:        class=0x060700 card=0x00000000  
>>> chip=0xac50104c rev=0x02 hdr=0x02
>>>  class      = bridge
>>>  subclass   = PCI-CardBus
>>> ath0_at_pci0:0:16:0:       class=0x020000 card=0x2062168c  
>>> chip=0x001b168c rev=0x01 hdr=0x00
>>>  class      = network
>>>  subclass   = ethernet
>>> sis0_at_pci0:0:18:0:       class=0x020000 card=0x0020100b  
>>> chip=0x0020100b rev=0x00 hdr=0x00
>>>  class      = network
>>>  subclass   = ethernet
>>> sis1_at_pci0:0:19:0:       class=0x020000 card=0x0020100b  
>>> chip=0x0020100b rev=0x00 hdr=0x00
>>>  class      = network
>>>  subclass   = ethernet
>>>
>>>
>>> My dmesg with ath part :
>>>
>>> ath0: <Atheros 5212> mem 0xa0010000-0xa001ffff irq 11 at device  
>>> 16.0 on pci0
>>> ath0: [ITHREAD]
>>> ath0: WARNING: using obsoleted if_watchdog interface
>>> ath0: mac 10.5 phy 6.1 radio 6.3
>>> sis0: <NatSemi DP8381[56] 10/100BaseTX> port 0xe100-0xe1ff mem  
>>> 0xa0020000-0xa0020fff irq 5 at device 18.0 on pci0
>>> sis0: Silicon Revision: DP83816A
>>>
>>>
>>> I can send more information if is needed.
>>>
>>> I already change the wireless card ( I have for of the same) and  
>>> the matherboard, I upgrade the bios of the Soekris board to 1.38.
>>>
>>> Any ideas about the irq storm ?
>>>
>>> any special configurations ?
>>>
>>
>> What are the interrupts?  Does the storm persist or stop?  Does  
>> your card otherwise work as expected?
>>
>> I've noticed an increase in system complaints about interrupt  
>> storms on many devices, not just ath, as though the tunable  
>> thresholds are too low.
>>
>>  Sam
>>
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