[Nut-upsuser] Liebert PSA "On Battery" report

Tim Dawson tadawson at tpcsvc.com
Sat Oct 18 03:03:09 UTC 2014


I guess it's kind of a natural response on my part, working professionally in software. T-Shooting step one: Get current and see if the problem persists. If it does,then step rwo: debug. 2+ years is forever in software, noting that 2.6.3 was mid 2012 . . .

- Tim

On October 17, 2014 9:38:15 PM CDT, Charles Lepple <clepple at gmail.com> wrote:
>On Oct 17, 2014, at 8:31 PM, Tim Dawson <tadawson at tpcsvc.com> wrote:
>
>> Likely because 2.6.3 is not a current release. 2.7.2 (or 3?) is rhe
>current version, and it makes little sense to backport changes.
>
>Tim,
>
>It's possible that these changes didn't make it in. I admit that would
>be my knee-jerk reaction to seeing an older version number, but the
>last occurrence of "PSA" in the drivers/ Git log is 2009.
>
>> Nut is a trivial compile . . . 'Use the source, Luke . . .'
>> 
>> - Tim
>> 
>On October 17, 2014 6:05:35 PM CDT, Derek Harding <derek at lagham.org.uk>
>wrote:
>> Hi,
>> 
>> Back in 2011, it was reported that Liebert PSA devices persist in 
>> reporting OB (On Battery) when using usbhid-ups regardless of the
>actual 
>> state. Pier Paolo did some work (2011) which reportedly solved the 
>> issue. However, that doesn't seem to have reached mainstream and I
>now 
>> face the same problem.
>
>Derek,
>
>Do you have a link to the message where the problem was solved?
>
>> I'm using NUT 2.6.3 with a new Liebert PSA 1500Va that only ever
>reports 
>> OB and hence, when the power fails it doesn't trigger a shutdown
>(Ubuntu 
>> 12.04 servers). Latching power fail through upsc works as it should.
>
>Not sure what you mean by "Latching power fail" - setting FSD through
>upsd?
>
>> Any advice would be gratefully received but I would prefer not to
>have 
>> to rebuild/build. I don't mind replacing with a different, more up to
>
>> date usbhid-ups.
>
>It's hard to tell without seeing the results of upsc for the
>combination of your UPS and NUT version, but if you have a valid
>battery charge level, you can use the "ignorelb" setting to synthesize
>a low battery notification.
>
>-- 
>Charles Lepple
>
>A: Because it messes up the order in which people normally read text.
>Q: Why is top-posting such a bad thing?
>A: Top-posting.
>Q: What is the most annoying thing on usenet and in e-mail?

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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