Package: nut
Severity: important
Tags: upstream

This report is for the same issue reported by Pier Paolo Glave on the
nut-upsuser list:
http://lists.alioth.debian.org/pipermail/nut-upsuser/2011-February/006608.html

Also reported on the same list twice more, at:
http://lists.alioth.debian.org/pipermail/nut-upsuser/2010-July/006098.html 
and
http://lists.alioth.debian.org/pipermail/nut-upsuser/2011-September/007159.html 
...continued at:
http://lists.alioth.debian.org/pipermail/nut-upsuser/2011-October/007185.html 

In short, I have an Emerson Network Power Liebert PSA500MT3* (USB ID
10af:0001).  Many of the important values are missing from the upsc's
output and the status is incorrectly reported as OB.

The UPS firmware's broken behaviour related to both scaling and status
reporting (vis. the HID PDC specifications) is discussed in the above
postings.

Pier has written patch to make usbhid-ups select the correct subdriver
for this class of device (liebert-hid instead of belkin-hid).  It is
available at:
http://lists.alioth.debian.org/pipermail/nut-upsuser/2011-February/006651.html
However I doubt this alone will resolve the bug due to the firmware issues.

* manufacturer's product page:
http://www.emersonnetworkpower.com/en-US/Products/ACPower/DesktopWorkstationUPS/Pages/liebertpsalineinteractiveups5001500va.aspx
 
-- System Information:
Debian Release: 6.0.4
  APT prefers stable-updates
  APT policy: (700, 'stable-updates'), (700, 'stable'), (500, 
'stable-updates'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash



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