Может кто знает в чем причина дисконекта.
root@truenas[~]# dmesg | grep -i usbus
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
usbus1: EHCI version 1.0
usbus1 on ehci0
usbus1: 480Mbps High Speed USB v2.0
usbus2: EHCI version 1.0
usbus2 on ehci1
usbus2: 480Mbps High Speed USB v2.0
ugen1.1: <Intel EHCI root HUB> at usbus1
ugen0.1: <Intel XHCI root HUB> at usbus0
uhub0 on usbus1
uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
uhub1 on usbus0
uhub1: <Intel XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
ugen2.1: <Intel EHCI root HUB> at usbus2
uhub2 on usbus2
uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
ugen1.2: <vendor 0x8087 product 0x8008> at usbus1
uhub3: <vendor 0x8087 product 0x8008, class 9/0, rev 2.00/0.05, addr 2> on usbus1
ugen2.2: <vendor 0x8087 product 0x8000> at usbus2
uhub4: <vendor 0x8087 product 0x8000, class 9/0, rev 2.00/0.05, addr 2> on usbus2
Root mount waiting for: usbus2
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 1> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 2> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 3> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 4> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 5> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 6> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 7> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 8> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 9> on usbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 10> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 11> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 12> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 13> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 14> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 15> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 16> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 17> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 18> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0
uhid0: <POWERCOM Co.,LTD HID UPS Battery, class 0/0, rev 1.10/0.02, addr 19> onusbus0
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0 (disconnected)
ugen0.2: <POWERCOM Co.,LTD HID UPS Battery> at usbus0