Date: Fri, 5 Sep 2014 11:26:33 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Alex Deiter <alex.deiter@gmail.com> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: [ath] AR9227 hang: ath_rate_findrate: switching quickly.. Message-ID: <CAJ-Vmonh7G%2B2aWE288mEOjqQkX=s-4n0q2h2AQ9-=xeCUJrg2A@mail.gmail.com> In-Reply-To: <CAAi9siYROfG7Pjg=MLibXLWKDAO5UnPafS2ZJ-SxQ8oN1=JCMA@mail.gmail.com> References: <CAAi9siYROfG7Pjg=MLibXLWKDAO5UnPafS2ZJ-SxQ8oN1=JCMA@mail.gmail.com>
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Hi! When this happens, can things re-associate? Can yuo do this: sysctl dev.ath.0.txagg=1 (and dev.ath.1, dev.ath.2, etc if you have more than one physical atheros NIC in your AP) and paste the results? -a On 5 September 2014 06:24, Alex Deiter <alex.deiter@gmail.com> wrote: > Hello, > > Please help me figure out what's wrong: > > FreeBSD 11.0-CURRENT r270733M amd64, PCI / Atheros 9227, 802.11n hostap mode > Time to time network traffic between clients and AP stops: > > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode off, 1 sta's in ps mode > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_findrate: switching quickly.. > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_tx_complete: size 1600 (519 bytes) OK rate/short/long 7 MCS/0/1 > nframes/nbad [1/0] > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode on, 2 sta's in ps mode > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode off, 1 sta's in ps mode > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode on, 2 sta's in ps mode > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode off, 1 sta's in ps mode > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_findrate: switching quickly.. > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_tx_complete: size 1600 (305 bytes) OK rate/short/long 7 MCS/0/1 > nframes/nbad [1/0] > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_findrate: switching quickly.. > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] > ath_rate_tx_complete: size 250 (114 bytes) OK rate/short/long 4 MCS/0/1 > nframes/nbad [1/0] > Sep 5 16:18:31 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode on, 2 sta's in ps mode > Sep 5 16:18:32 blackbird kernel: wlan0: [84:7a:88:70:c6:cd] power save > mode off, 1 sta's in ps mode > > it is the same case with all clients: android, windows, FreeBSD. > Workaround - reboot AP system :-( > > Thank you! > > Details: > > pciconf: > ath0@pci0:4:0:0: class=0x028000 card=0x0300168c chip=0x002d168c > rev=0x01 hdr=0x00 > vendor = 'Atheros Communications Inc.' > device = 'AR9227 Wireless Network Adapter' > class = network > > ifconfig: > wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 > mtu 1500 > ether f8:1a:67:89:0c:b8 > media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <hostap> > status: running > ssid blackbird channel 4 (2427 MHz 11g ht/40+) bssid > f8:1a:67:89:0c:b8 > regdomain ETSI country RU indoor ecm authmode WPA1+WPA2/802.11i -wps > -tsn privacy MIXED deftxkey 3 > TKIP 2:128-bit > TKIP 3:128-bit powersavemode OFF powersavesleep 100 txpower 30 > txpowmax 50.0 -dotd rtsthreshold 2346 fragthreshold 2346 bmiss 7 > 11a ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > 11b ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > 11g ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > turboA ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > turboG ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > sturbo ucast NONE mgmt 6 Mb/s mcast 6 Mb/s maxretry 6 > 11na ucast NONE mgmt 12 MCS mcast 12 MCS maxretry 6 > 11ng ucast NONE mgmt 2 MCS mcast 2 MCS maxretry 6 > half ucast NONE mgmt 3 Mb/s mcast 3 Mb/s maxretry 6 > quarter ucast NONE mgmt 1 Mb/s mcast 1 Mb/s maxretry 6 > scanvalid 60 -bgscan bgscanintvl 300 bgscanidle 250 > roam:11a rssi 7dBm rate 12 Mb/s > roam:11b rssi 7dBm rate 1 Mb/s > roam:11g rssi 7dBm rate 5 Mb/s > roam:turboA rssi 7dBm rate 12 Mb/s > roam:turboG rssi 7dBm rate 12 Mb/s > roam:sturbo rssi 7dBm rate 12 Mb/s > roam:11na rssi 7dBm MCS 1 > roam:11ng rssi 7dBm MCS 1 > roam:half rssi 7dBm rate 6 Mb/s > roam:quarter rssi 7dBm rate 3 Mb/s > -pureg protmode CTS ht htcompat ampdu ampdulimit 64k ampdudensity 8 > amsdu shortgi htprotmode RTSCTS -puren -smps -rifs wme burst -dwds > -hidessid apbridge dtimperiod 1 doth -dfs inact bintval 100 > AC_BE cwmin 4 cwmax 6 aifs 3 txopLimit 0 -acm ack > cwmin 4 cwmax 10 aifs 3 txopLimit 0 -acm > AC_BK cwmin 4 cwmax 10 aifs 7 txopLimit 0 -acm ack > cwmin 4 cwmax 10 aifs 7 txopLimit 0 -acm > AC_VI cwmin 3 cwmax 4 aifs 1 txopLimit 94 -acm ack > cwmin 3 cwmax 4 aifs 2 txopLimit 94 -acm > AC_VO cwmin 2 cwmax 3 aifs 1 txopLimit 47 -acm ack > cwmin 2 cwmax 3 aifs 2 txopLimit 47 -acm > groups: wlan > > athstats: > 317346 data frames received > 432914 data frames transmit > 543 tx frames with an alternate rate > 29708 short on-chip tx retries > 41739 long on-chip tx retries > 5700 tx failed 'cuz too many retries > 17 stuck beacon conditions > MCS4 current transmit rate > 3 tx stopped 'cuz no xmit buffer > 209 tx failed 'cuz destination filtered > 2061 tx frames with no ack marked > 421765 tx frames with short preamble > 13990 rx failed 'cuz of bad CRC > 1 rx failed 'cuz frame too short > 1 rx failed 'cuz of PHY err > 1 illegal service > 162287 beacons transmitted > 554 periodic calibrations > -0/+0 TDMA slot adjust (usecs, smoothed) > 50 rssi of last ack > 33 avg recv rssi > -96 rx noise floor > 9348 tx frames through raw api > 205506 A-MPDU sub-frames received > 120913 Half-GI frames received > 751 CRC errors for non-last A-MPDU subframes > 172 CRC errors for last subframe in an A-MPDU > 1 Frames received w/ STBC encoding > 97566 Frames transmitted with HT Protection > 6407 Number of frames retransmitted in software > 336 Number of frames exceeding software retry > 178990 A-MPDU sub-frame TX attempt success > 5884 A-MPDU sub-frame TX attempt failures > 900 A-MPDU TX frame failures > 1514 cabq frames transmitted > 137 cabq xmit overflowed beacon interval > 1 OFDM weak signal detect > 189 listen time > 33 ANI disabled OFDM weak signal detect > 741238 cumulative OFDM phy error count > 346722 cumulative CCK phy error count > 677 ANI forced listen time to zero > 35612 missing ACK's > 50495 RTS without CTS > 73359 successful RTS > 19322 bad FCS > 21 average rssi (beacons only) > Antenna profile: > [0] tx 277449 rx 7401 > [1] tx 0 rx 309945 > > some logs and outputs (debug messages, tcpdump, etc) also available here: > > logs for windows client https://yadi.sk/d/_Sc9xCYkb6GLR > logs for android client https://yadi.sk/d/IL6qO9Ahb6GLW > > > -- > Alex Deiter > _______________________________________________ > 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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