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Date:      Sun, 8 Jan 2012 11:25:22 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Lev Serebryakov <lev@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: ath0: device timeout
Message-ID:  <CAJ-VmomUcTbCEnVkEXgzMY9H0hQPf7A5E9be2JmOgxGLoFKdjA@mail.gmail.com>
In-Reply-To: <1445063345.20120108224650@serebryakov.spb.ru>
References:  <1445063345.20120108224650@serebryakov.spb.ru>

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Which NIC is this again?

I know there are some subtle software TX bugs. I'm trying to hunt them
down and squish them..


Adrian


2012/1/8 Lev Serebryakov <lev@freebsd.org>:
> Hello, Freebsd-wireless.
>
> =A0Notso-fresh 10.0-CURRENT/i386, ar9820, host-AP mode (WPA2). I've got
> this under load:
>
> ath0: stuck beacon; resetting (bmiss count 4)
> ar5212StopDmaReceive: dma failed to stop in 10ms
> AR_CR=3D0x00000024
> AR_DIAG_SW=3D0x42000020
> ath0: device timeout
>>> PREVIOUS LINE REPEARTED MANY TIMES
> ath0: device timeout
> ath0: ath_tx_tid_drain: node 0xc41a5000: tid 16: txq_depth=3D51, txq_aggr=
_depth=3D0, sched=3D0, paused=3D0, hwq_depth=3D0, incomp=3D0, baw_head=3D0,=
 baw_tail=3D0 txa_start=3D-1, ni_txseqs=3D17
> ath0: device timeout
>>> PREVIOUS LINE REPEARTED MANY TIMES
> ath0: device timeout
>>> I'm run "ifconfig wlan0 down && ifconfig wlan0 up" here
> ath0: ath_tx_tid_drain: node 0xc3385000: tid 16: txq_depth=3D0, txq_aggr_=
depth=3D0, sched=3D1, paused=3D0, hwq_depth=3D0, incomp=3D0, baw_head=3D0, =
baw_tail=3D0 txa_start=3D-1, ni_txseqs=3D2661
> ath0: ath_tx_tid_drain: node 0xc41a5000: tid 16: txq_depth=3D0, txq_aggr_=
depth=3D0, sched=3D1, paused=3D0, hwq_depth=3D0, incomp=3D0, baw_head=3D0, =
baw_tail=3D0 txa_start=3D-1, ni_txseqs=3D2
> ath0: ath_tx_tid_drain: node 0xc41aa000: tid 16: txq_depth=3D0, txq_aggr_=
depth=3D0, sched=3D1, paused=3D0, hwq_depth=3D0, incomp=3D0, baw_head=3D0, =
baw_tail=3D0 txa_start=3D-1, ni_txseqs=3D1
> ath0: ath_tx_tid_drain: node 0xc41af000: tid 16: txq_depth=3D0, txq_aggr_=
depth=3D0, sched=3D1, paused=3D0, hwq_depth=3D0, incomp=3D0, baw_head=3D0, =
baw_tail=3D0 txa_start=3D-1, ni_txseqs=3D1
> ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA
>
> =A0After that "reset" everything works. When NIC is stuck, clients
> could see SSID bbut could not associate (and associated clients lost
> association).
>
> =A0Mow I'm building fresh current kernel.
>
> --
> // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
>
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