Freebsd 8.0 ath, Soekris 4511, tinybsd, IRQ storm.
Jose Amengual M
pepe at rdc.cl
Mon May 26 20:55:23 UTC 2008
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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