[Nut-upsuser] Eaton 1500 USB constant disconnections

Arnaud Quette arnaud.quette at gmail.com
Tue Mar 28 09:46:48 UTC 2017

2017-03-11 4:55 GMT+01:00 Spike <spike at drba.org>:

> Hi,

Hi Spike,

sorry for the lag in answering, I was collecting the needed information.

I have a eaton 1500 that connects to an Ubuntu Xenial box via USB. The UPS
> works, however exactly *ever 5 minutes* it disconnects and reconnects and I
> see this in syslog:
> Mar 10 19:50:32 spike kernel: usb 4-5: USB disconnect, device number 103
> Mar 10 19:50:33 spike kernel: usb 4-5: new low-speed USB device number 104
> using ohci-pci
> Mar 10 19:50:34 spike kernel: usb 4-5: New USB device found,
> idVendor=0463, idProduct=ffff
> Mar 10 19:50:34 spike kernel: usb 4-5: New USB device strings: Mfr=1,
> Product=2, SerialNumber=4
> Mar 10 19:50:34 spike kernel: usb 4-5: Product: Ellipse PRO
> Mar 10 19:50:34 spike kernel: usb 4-5: Manufacturer: EATON
> Mar 10 19:50:34 spike kernel: usb 4-5: SerialNumber: P344G46HW9
> Mar 10 19:50:38 spike kernel: hid-generic 0003:0463:FFFF.1221:
> hiddev0,hidraw2: USB HID v1.10 Device [EATON Ellipse PRO] on
> usb-0000:00:12.0-5/input0
> does anybody have any clue why that's happening? besides spamming the logs
> I'm afraid that it may not reconnect at some point and/or fail when it's
> actually needed.

this is a workaround implemented to avoid, under some specific conditions,
a freeze of the USB communication.
As far as I've been told, when there is an actual SW communication (such as
with NUT) with requests and replies in the 5mn timeframe, this should not

Could you please:
- confirm back that there is indeed a SW communication setup (NUT or UPower
for example),
- send me back the upsc output for this unit, including the serial number
and firmware revision

thanks and regards,
Eaton Data Center Automation Solutions - Opensource Leader -
NUT (Network UPS Tools) Project Leader - http://www.networkupstools.org
Debian Developer - http://www.debian.org
Free Software Developer - http://arnaud.quette.fr
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