Freebsd 8.0 ath, Soekris 4511, tinybsd, IRQ storm.
Jose Amengual M
pepe at rdc.cl
Mon May 26 23:18:46 UTC 2008
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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