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Date:      Tue, 7 Aug 2012 12:47:19 -0400
From:      Kim Culhan <w8hdkim@gmail.com>
To:        Vincent Hoffman <vince@unsane.co.uk>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: (ANother) stall fixed, please update to HEAD
Message-ID:  <CAKZxVQU819=wi18hvou-9d8nawuVMVSFObUR4YaaLpOR63s9nQ@mail.gmail.com>

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On Tue, August 7, 2012 12:25 pm, Vincent Hoffman wrote:
> On 07/08/2012 01:58, Adrian Chadd wrote:
>> Hi all,
>>
>> I've fixed another stupid Adrian-induced issue in the TX path (to do
>> with restarting DMA after a stuck beacon).
>>
>> I'd appreciate it if users would sync up to -HEAD and try it out.
>>
>> It doesn't fix BAR TX and buffer exhaustion related issues but it
>> should fix the stall issues seen in 2.4GHz when the NIC gets unhappy
>> (and thus "stuck beacon").
> Tried it
> Aug  7 11:06:04 ostracod kernel: FreeBSD 10.0-CURRENT #12 r239123: Tue
> Aug  7 08:57:47 BST 2012
>
> Then while ago got these
> Aug  7 13:58:35 ostracod kernel: ath0: ath_rx_pkt: rs_antenna > 7 (9560157)
> Aug  7 13:58:35 ostracod kernel: R[ 0] (DS.V:0xffffff80e7e868a0
> DS.P:0x2b168a0) L:02b16900 D:0e66e000 *
> Aug  7 13:58:35 ostracod kernel: 3879e2f0 00000800 00030902 0030400c
> Aug  7 13:58:35 ostracod kernel: 07232400 91e05dfb b95b48f5 0d4b3360
> baa0f8e1 00a00000 20005e4b
> Aug  7 13:58:35 ostracod kernel: ath0: ath_rx_pkt: rs_antenna > 7 (1709845)
> Aug  7 13:58:35 ostracod kernel: R[ 0] (DS.V:0xffffff80e7e83180
> DS.P:0x2b13180) L:02b131e0 D:2c220800 *
> Aug  7 13:58:35 ostracod kernel: 2332001c 00000800 9b8cc2a4 00000010
> Aug  7 13:58:35 ostracod kernel: 2f808080 1a17151c 00000000 00000000
> 00020902 002c4288 07232401
>
> Which seemed to break my connection (could no longer ping or ssh in.)
> Sadly since this mail goes via that box I had to reboot it, any
> suggestions on debugging I can give you if it happens again?
>
> Device details:
> Aug  7 11:06:04 ostracod kernel: ath0: <Atheros 9280> mem
> 0xfebf0000-0xfebfffff irq 16 at device 0.0 on pci4
> Aug  7 11:06:04 ostracod kernel: ath0: DMA setup: legacy
> Aug  7 11:06:04 ostracod kernel: ath0: [HT] enabling HT modes
> Aug  7 11:06:04 ostracod kernel: ath0: [HT] 2 RX streams; 1 TX streams
> Aug  7 11:06:04 ostracod kernel: ath0: AR9280 mac 128.2 RF5133 phy 13.0
> Aug  7 11:06:04 ostracod kernel: ath0: 2GHz radio: 0x0000; 5GHz radio:
> 0x00c0

I'm not seeing this running FreeBSD 10.0-CURRENT #5 r239120M

ath0: <Atheros 9227> mem 0xfebf0000-0xfebfffff irq 16 at device 0.0 on pci6
ath0: DMA setup: legacy
ath0: [HT] enabling HT modes
ath0: [HT] enabling short-GI in 20MHz mode
ath0: [HT] 2 RX streams; 2 TX streams
ath0: Enabling register serialisation
ath0: AR9227 mac 384.2 RF5133 phy 15.15
ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0

-kim



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