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Date: Mon, 15 Dec 2014 10:20:49 +0100
From: Hans Petter Selasky <hps@selasky.org>
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To: Randall Fox <randall.fox@gmail.com>
Subject: Re: Disconnects every 15 seconds
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Hi,

On 12/15/14 09:58, Randall Fox wrote:
> Dec 15 00:29:21 freenas kernel: uhub_read_port_status: port 2,
> wPortStatus=0x0101, wPortChange=0x0001, err=USB_ERR_NORMAL_COMPLETION

This message means that the "UPS_C_CONNECT_STATUS" changed. My best 
guess is that the device had a problem and decided to restart. Maybe an 
unsupported command triggered it.

Also, try to "ps auxw | grep ugen" to see if there are multiple drivers 
running on your device.

--HPS