[Nut-upsuser] Problem with APC Back-UPS CS 650 and FreeNAS 8.3.0 BETA 2

Xavier Garcia xavier at xnaove.com
Wed Sep 12 19:00:37 UTC 2012

Hi all !
I have a little problem using NUT from FreeNAS.

Operating system

FreeBSD 8.3-RELEASE-p4 (FreeNAS 8.3.0 BETA 2)


American Power Conversion/Back-UPS CS 650 FW:817.v7 .I USB FW:v7

NUT Driver

Network UPS Tools - Generic HID driver 0.37 (2.6.5)
USB communication driver 0.31

Trying to configure the UPS from FreeNAS failed so I try to investigate
which is the problem.

Running "usr/local/libexec/nut/usbhid-ups -a SAI" I get this:

Network UPS Tools - Generic HID driver 0.37 (2.6.5)
USB communication driver 0.31
Using subdriver: APC HID 0.95
libusb_get_report: Unknown error
Can't initialize data from HID UPS

With -DD to get more information I found the problem:

   0.723737 Path: UPS.Battery.ff860018, Type: Feature, ReportID: 0x48,
Offset: 0, Size: 32, Value: 0
   0.726114 Path: UPS.Input.Voltage, Type: Feature, ReportID: 0x20, Offset:
0, Size: 32, Value: 242
   0.728599 libusb_get_report: Unknown error
   0.728715 Can't retrieve Report 46: Input/output error
   0.728739 Path: UPS.Input.ConfigVoltage, Type: Feature, ReportID: 0x46,
Offset: 0, Size: 8
   0.731236 Path: UPS.Input.APCLineFailCause, Type: Feature, ReportID:
0x21, Offset: 0, Size: 8, Value: 8

Every time I run the driver I get the same "Can't retrieve Report 46:
Input/output error."

Any thougths ?
Any possible workaround to bypass ReportID 0x46 ?
Anybody with the same UPS working nicely with NUT ?
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