From owner-freebsd-wireless@freebsd.org  Tue Sep  6 17:56:33 2016
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Subject: Re: Small example program shut down urtwn
To: =?UTF-8?B?T3RhY8OtbGlv?= <otacilio.neto@bsd.com.br>,
 Adrian Chadd <adrian@freebsd.org>
References: <fea1f0b8-d17c-5fc1-9593-6d8a6e2032db@bsd.com.br>
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Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>,
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From: Hans Petter Selasky <hps@selasky.org>
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Date: Tue, 6 Sep 2016 20:01:11 +0200
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On 09/06/16 18:38, Otacílio wrote:
> After a lot of messages this appears:
>
> 13:04:40.000436 usbus1.2
> DONE-BULK-EP=00000081,SPD=HIGH,NFR=1,SLEN=384,IVAL=0,ERR=0
> 13:04:40.000447 usbus1.2 SUBM-BULK-EP=00000081,SPD=HIGH,NFR=1,SLEN=0,IVAL=0
> urtwn0: device timeout

Hi,

A USB analyzer would tell for sure. Most likely the USB dongle has 
stopped responding and is NAKing the 0x03 BULK OUT endpoint, which leads 
to the USB_ERR_TIMEOUT. You can try to set .interval = 1, in "struct 
usb_config", to nice the USB OUT transfers.

--HPS