Date: Sun, 27 Jan 2013 17:45:55 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Vincent Hoffman <vince@unsane.co.uk> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: wireless link flaps (ath ar9280) Message-ID: <CAJ-VmokO5DRq2Pw-JGHybSeNc4sNjQwO=pZvjsxfDA_To3d5Fw@mail.gmail.com> In-Reply-To: <5105A2A9.2020803@unsane.co.uk> References: <51051E26.1050300@unsane.co.uk> <CAJ-Vmo=6oBcvBjx8eRbDOCUvTWN1cJ2Y__QB4TFdMuxvOj7hxw@mail.gmail.com> <5105A2A9.2020803@unsane.co.uk>
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Right, this looks like you're missing beacons. My latest -HEAD changes causes a non-loss hardware reset, in case it's gone deaf. But if you are going deaf and missing the occasional beacon, it shouldn't be disconnecting you. I wonder how that logic is working.. Adrian On 27 January 2013 13:56, Vincent Hoffman <vince@unsane.co.uk> wrote: > On 27/01/2013 17:11, Adrian Chadd wrote: >> Hm, see if it's a beacon miss thing: >> >> >> sysctl dev.ath.0.debug=0x80 > now with added debugging. > > Jan 27 21:49:09 ostracod kernel: ath0: ath_bmiss_proc: pending 1 > Jan 27 21:49:09 ostracod kernel: ath0: ath_beacon_config: nexttbtt > 33171100 intval 100 (100) > Jan 27 21:49:09 ostracod kernel: ath0: ath_beacon_config: tsf > 33967936054 tsf:tu 33171814 intval 100 nexttbtt 33171900 dtim 100 > nextdtim 33171900 bmiss 7 sleep 100 cfp:period 100 maxdur 0 next > 33171900 timoffset 0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_bmiss_vap: tsf 33967937503 > lastrx 727896 (33967209607) bmiss 716800 > Jan 27 21:49:09 ostracod wpa_supplicant[568]: CTRL-EVENT-DISCONNECTED > bssid=e0:91:f5:48:5b:b9 reason=0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_bmiss_proc: pending 1 > Jan 27 21:49:09 ostracod kernel: ath0: ath_beacon_config: nexttbtt > 33171100 intval 100 (100) > Jan 27 21:49:09 ostracod kernel: ath0: ath_beacon_config: tsf > 33968652767 tsf:tu 33172514 intval 100 nexttbtt 33172600 dtim 100 > nextdtim 33172600 bmiss 7 sleep 100 cfp:period 100 maxdur 0 next > 33172600 timoffset 0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_bmiss_vap: tsf 33968654221 > lastrx 1444614 (33967209607) bmiss 716800 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_print: norm: > node 0xffffff800b388000: bf=0xffffff80008c3140: addbaw=0, dobaw=1, > seqno=2485, retry=0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_print: node > 0xffffff800b388000: bf=0xffffff80008c3140: txq[1] axq_depth=0, > axq_aggr_depth=0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_print: node > 0xffffff800b388000: bf=0xffffff80008c3140: tid txq_depth=4 hwq_depth=0, > bar_wait=1, isfiltered=0 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_print: node > 0xffffff800b388000: tid 0: sched=0, paused=1, incomp=0, baw_head=98, > baw_tail=98 txa_start=2485, ni_txseqs=2489 > Jan 27 21:49:09 ostracod kernel: TODS > 00:24:23:07:fb:5d->60:33:4b:0d:e1:f8(e0:91:f5:48:5b:b9) data QoS [TID 0] > WEP [IV 05 34 00 09 00 00 KID 0] 0M > Jan 27 21:49:09 ostracod kernel: 8841 0000 e091 f548 5bb9 0024 2307 fb5d > 6033 4b0d e1f8 509b 0000 dec0 0534 0020 0900 0000 aaaa 0300 0000 0800 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't > added: seqno 2485 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't > added: seqno 2486 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't > added: seqno 2487 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't > added: seqno 2488 > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_default_comp: bf > 0xffffff80008c3140: seqno 2485: dobaw should've been cleared! > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_default_comp: bf > 0xffffff80008c1e20: seqno 2486: dobaw should've been cleared! > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_default_comp: bf > 0xffffff80008a6178: seqno 2487: dobaw should've been cleared! > Jan 27 21:49:09 ostracod kernel: ath0: ath_tx_default_comp: bf > 0xffffff80008b7b90: seqno 2488: dobaw should've been cleared! > Jan 27 21:49:09 ostracod kernel: wlan0: link state changed to DOWN > Jan 27 21:49:12 ostracod wpa_supplicant[568]: Trying to associate with > e0:91:f5:48:5b:b9 (SSID='vhoff' freq=2462 MHz) > Jan 27 21:49:12 ostracod wpa_supplicant[568]: Associated with > e0:91:f5:48:5b:b9 > Jan 27 21:49:12 ostracod kernel: wlan0: link state changed to UP > Jan 27 21:49:12 ostracod kernel: ath0: ath_beacon_config: nexttbtt 7300 > intval 100 (100) > Jan 27 21:49:12 ostracod kernel: ath0: ath_beacon_config: tsf > 33971573916 tsf:tu 33175367 intval 100 nexttbtt 33175400 dtim 100 > nextdtim 33175400 bmiss 7 sleep 100 cfp:period 100 maxdur 0 next > 33175400 timoffset 0 > Jan 27 21:49:13 ostracod wpa_supplicant[568]: WPA: Key negotiation > completed with e0:91:f5:48:5b:b9 [PTK=CCMP GTK=TKIP] > Jan 27 21:49:13 ostracod wpa_supplicant[568]: CTRL-EVENT-CONNECTED - > Connection to e0:91:f5:48:5b:b9 completed (reauth) [id=0 id_str=] > > > Thanks as ever for all the work Adrian, > > Vince > > >> >> >> adrian >> >> On 27 January 2013 04:31, Vincent Hoffman <vince@unsane.co.uk> wrote: >>> Hi all, >>> I'm running a recent -current (r245741) and seem to be getting >>> interface flaps. Since this machine is mainly used for home mail and a >>> little light file serving I'm not sure when they started occuring as i >>> only have logging going back to the 18th Jan. >>> >>> Sample log messages are: >>> Jan 24 16:26:22 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 24 16:26:22 ostracod kernel: AR_CR=0x00000024 >>> Jan 24 16:26:22 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 24 16:26:23 ostracod wpa_supplicant[568]: CTRL-EVENT-DISCONNECTED >>> bssid=e0:91:f5:48:5b:b9 reason=0 >>> Jan 24 16:26:23 ostracod kernel: wlan0: link state changed to DOWN >>> Jan 24 16:26:26 ostracod wpa_supplicant[568]: Trying to associate with >>> e0:91:f5:48:5b:b9 (SSID='vhoff' freq=2462 MHz) >>> Jan 24 16:26:26 ostracod wpa_supplicant[568]: Associated with >>> e0:91:f5:48:5b:b9 >>> Jan 24 16:26:26 ostracod kernel: wlan0: link state changed to UP >>> Jan 24 16:26:27 ostracod wpa_supplicant[568]: WPA: Key negotiation >>> completed with e0:91:f5:48:5b:b9 [PTK=CCMP GTK=TKIP] >>> >>> I sometime get just >>> >>> >>> >>> Jan 25 00:57:36 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 25 00:57:36 ostracod kernel: AR_CR=0x00000024 >>> Jan 25 00:57:36 ostracod kernel: AR_DIAG_SW=0x42000020 >>> >>> or >>> >>> Jan 25 09:39:24 ostracod wpa_supplicant[568]: WPA: Group rekeying >>> completed with e0:91:f5:48:5b:b9 [GTK=TKIP] >>> Jan 25 09:41:13 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 25 09:41:13 ostracod kernel: AR_CR=0x00000024 >>> Jan 25 09:41:13 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 25 09:46:50 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 25 09:46:50 ostracod kernel: AR_CR=0x00000024 >>> Jan 25 09:46:50 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 25 09:49:24 ostracod wpa_supplicant[568]: WPA: Group rekeying >>> completed with e0:91:f5:48:5b:b9 [GTK=TKIP] >>> Jan 25 09:52:10 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 25 09:52:10 ostracod kernel: AR_CR=0x00000024 >>> Jan 25 09:52:10 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 25 09:57:07 ostracod kernel: ath0: bb hang detected (0x4), resetting >>> >>> or >>> >>> Jan 26 17:24:46 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 26 17:24:46 ostracod kernel: AR_CR=0x00000024 >>> Jan 26 17:24:46 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 26 17:25:31 ostracod kernel: ar5416PerCalibrationN: NF calibration >>> didn't finish; delaying CCA >>> >>> with no interface flaps. >>> And sometimes much more info >>> >>> Jan 25 16:56:27 ostracod kernel: ar5416StopDmaReceive: dma failed to >>> stop in 10ms >>> Jan 25 16:56:27 ostracod kernel: AR_CR=0x00000024 >>> Jan 25 16:56:27 ostracod kernel: AR_DIAG_SW=0x42000020 >>> Jan 25 16:56:28 ostracod wpa_supplicant[568]: CTRL-EVENT-DISCONNECTED >>> bssid=e0:91:f5:48:5b:b9 reason=0 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_print: norm: >>> node 0xffffff8014828000: bf=0xffffff80008b23e8: addbaw=1, dobaw=1, >>> seqno=3447, retry=6 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_print: node >>> 0xffffff8014828000: bf=0xffffff80008b23e8: txq[1] axq_depth=0, >>> axq_aggr_depth=0 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_print: node >>> 0xffffff8014828000: bf=0xffffff80008b23e8: tid txq_depth=10 hwq_depth=0, >>> bar_wait=1, isfiltered=0 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_print: node >>> 0xffffff8014828000: tid 0: sched=0, paused=1, incomp=0, baw_head=114, >>> baw_tail=116 txa_start=3446, ni_txseqs=3456 >>> Jan 25 16:56:28 ostracod kernel: TODS >>> 00:24:23:07:fb:5d->e0:91:f5:48:5b:b9(e0:91:f5:48:5b:b9) data QoS [TID 0] >>> WEP [IV b6 89 00 0c 00 00 KID 0] 0M >>> Jan 25 16:56:28 ostracod kernel: 8849 0000 e091 f548 5bb9 0024 2307 fb5d >>> e091 f548 5bb9 70d7 0000 dec0 b689 0020 0c00 0000 aaaa 0300 0000 0800 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3448 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3449 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3450 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3451 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3452 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3453 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3454 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_tid_drain_pkt: wasn't >>> added: seqno 3455 >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008a9e08: seqno 3448: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008aa468: seqno 3449: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008c8a80: seqno 3450: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008cf080: seqno 3451: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008a8488: seqno 3452: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008a64a8: seqno 3453: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008aa930: seqno 3454: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: ath0: ath_tx_default_comp: bf >>> 0xffffff80008a8ae8: seqno 3455: dobaw should've been cleared! >>> Jan 25 16:56:28 ostracod kernel: wlan0: link state changed to DOWN >>> Jan 25 16:56:39 ostracod wpa_supplicant[568]: Trying to associate with >>> e0:91:f5:48:5b:b9 (SSID='vhoff' freq=2462 MHz) >>> Jan 25 16:56:39 ostracod wpa_supplicant[568]: Associated with >>> e0:91:f5:48:5b:b9 >>> Jan 25 16:56:39 ostracod kernel: wlan0: link state changed to UP >>> Jan 25 16:56:40 ostracod wpa_supplicant[568]: WPA: Key negotiation >>> completed with e0:91:f5:48:5b:b9 [PTK=CCMP GTK=TKIP] >>> >>> >>> Device is >>> ath0: <Atheros 9280> mem 0xfebf0000-0xfebfffff irq 16 at device 0.0 on pci4 >>> ath0: [HT] enabling HT modes >>> ath0: [HT] 2 RX streams; 1 TX streams >>> ath0: AR9280 mac 128.2 RF5133 phy 13.0 >>> ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0 >>> >>> Any suggestions? I'm happy to provide more info if needed. >>> >>> Vince >>> _______________________________________________ >>> 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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