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Date:      Wed, 06 Feb 2013 15:54:06 +0000
From:      Vincent Hoffman <vince@unsane.co.uk>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>
Subject:   Re: wireless link flaps (ath ar9280)
Message-ID:  <51127C9E.8090000@unsane.co.uk>
In-Reply-To: <CAJ-VmokO5DRq2Pw-JGHybSeNc4sNjQwO=pZvjsxfDA_To3d5Fw@mail.gmail.com>
References:  <51051E26.1050300@unsane.co.uk> <CAJ-Vmo=6oBcvBjx8eRbDOCUvTWN1cJ2Y__QB4TFdMuxvOj7hxw@mail.gmail.com> <5105A2A9.2020803@unsane.co.uk> <CAJ-VmokO5DRq2Pw-JGHybSeNc4sNjQwO=pZvjsxfDA_To3d5Fw@mail.gmail.com>

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Just an update that after updating to the latest -HEAD these have
disappeared again.


Vince

On 28/01/2013 01:45, Adrian Chadd wrote:
> 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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