Hm, I wonder what interrupt it is.

Add 'options AH_INTERRUPT_DEBUGGING' and rebuild. Then after it
happens, post the output of 'sysctl dev.ath.0'




-adrian

On 18 July 2013 03:39, sirok <si...@mail.ru> wrote:
>  Hi!
>
> ath0: <Atheros 9287> mem 0xfe500000-0xfe50ffff irq 16 at device 0.0 on pci1
> ath0: [HT] enabling HT modes
> ath0: [HT] enabling short-GI in 20MHz mode
> ath0: [HT] 1 stream STBC receive enabled
> ath0: [HT] 1 stream STBC transmit enabled
> ath0: [HT] 2 RX streams; 2 TX streams
> ath0: AR9287 mac 384.2 RF5133 phy 15.15
> ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0
>
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
>         ether 20:7c:8f:xx:xx:xx
>         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
>         status: running
>
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>         ether 20:7c:8f:xx:xx:xx
>         inet 192.168.x.1 netmask 0xffffff00 broadcast 192.168.x.255
>         inet6 fe80::xxxxx%wlan0 prefixlen 64 scopeid 0x13
>         inet6 xxxxx::1 prefixlen 64
>         nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap>
>         status: running
>         ssid XXXXX channel 6 (2437 MHz 11g ht/40+) bssid 20:7c:8f:xx:xx:xx
>         regdomain NONE country RU indoor ecm authmode WPA2/802.11i
>         privacy MIXED deftxkey 2 AES-CCM 2:128-bit AES-CCM 3:128-bit
>         txpower 20 scanvalid 60 protmode CTS ampdulimit 64k ampdudensity 8
>         shortgi wme burst dtimperiod 1 -dfs
>
> Problem description
>
> Just after reboot vmstat -i shows about 60 interrupts/sec
> irq16: ath0                        40558         66
>
> But after some time (a few hours I think) irq rate starts to rise slowly.
> After ~ 23 hours:
> irq16: ath0                  12086600069     146845
> After 23h+5 minutes:
> irq16: ath0                  12154198114     147131
> About 10 minutes later:
> irq16: ath0                  12307854569     147771
> Now:
> irq16: ath0                  14089141951     154492
>
> And so on up to about 280000/sec. AP mode stops functioning at some point.
> It's a pretty old problem. However on older revs irq goes high immediately 
> after boot, even if ath is not configured at all.
>
> HEAD rev 253412
>
> Thank you!
>
> --
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