Date: Thu, 18 Jul 2013 09:21:55 -0700 From: Adrian Chadd <adrian@freebsd.org> To: sirok <sirok@mail.ru> Cc: freebsd-wireless@freebsd.org Subject: Re: AR9287 interrupt rate Message-ID: <CAJ-Vmom_wqhSV6gSkG2uPDpNzitO0LzssnrQFWMcMpvmGHiL1w@mail.gmail.com> In-Reply-To: <1374143949.434105019@f394.i.mail.ru> References: <1374143949.434105019@f394.i.mail.ru>
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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 <sirok@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! > > -- > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org"
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