[Nut-upsuser] FW: Fwd: Liebert PSA UPS problem.

Paul Smith paul at smithp.co.uk
Sun Aug 11 16:04:10 UTC 2013

Anyone have any advice what I need to do next?


-----Original Message-----
From: Nut-upsuser
[mailto:nut-upsuser-bounces+paul=smithp.co.uk at lists.alioth.debian.org] On
Behalf Of Charles Lepple
Sent: 02 August 2013 11:36
To: nut-upsuser list
Subject: [Nut-upsuser] Fwd: Liebert PSA UPS problem.

Begin forwarded message:

> From: "Paul Smith"
> Subject: Liebert PSA UPS problem.
> Date: July 31, 2013 4:42:33 PM EDT
> To: <nut-upsuser at lists.alioth.debian.org>
> Hi all,
>    A brief summary:
> I have a new Liebert PSA UPS which I wanted to help support my FreeNAS box
(a FreeBSD 8 variant). Unfortunately the nut-ups implementation here for the
usb hid device doesn't want to communicate with my UPS.
> I have had a brief discussion with Charles outside of the list and done
some digging with Windows XP, SuSE Linux on  VM,  SuSE linux on a Live CD,
and my FreeNAS box in order to try and figure out what is wrong, but I am
not expert enough to figure out what.
> On my NAS box there is no implementation of lsusb or usbdevs, which is 
> rather annoying. On my SuSE 12.2 running under a VM lsusb fails trying to
get the descriptors.
> Windows XP and usbpcap appear to happily read the UPSs device 
> descriptors, and finally. SuSE Live CD (i.e. not under a VM) gets the 
> following output (again apparently reading the descriptor OK)
[moved to attachment] 
> .and finally
> Trying to start /usr/local/libexec/nut/usbhid-ups -a ups -DDDD on the 
> NAS box gives
> Unable to get HID descriptor (Unknown error) i=0, extra[i]=09, 
> extra[i+1]=21 HID descriptor, method 2: (9 bytes) => 09 21 01 10 00 01 
> 22 ff 01 HID descriptor length 511 Unable to get Report descriptor: 
> Input/output error Network UPS Tools - Generic HID driver (0.37 
> (2.6.5) USB communication driver 0.31 No matching HID UPS found
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