[Nut-upsdev] Liebert ESP II driver

Robert Jobbagy jobbagy.robert at gmail.com
Fri Jul 9 11:47:28 UTC 2010


Hi Arjen!

I attached the wrong and correct output , please check it.
The HEAD version liebert-esp2 driver give wrong output,but if you patch it
with my patch it will be correct.
In outputs.log focus on model,firmware,serial and mfr date values.

And I attached my patch earlier.

2010/7/6 Arjen de Korte <nut+devel at de-korte.org <nut%2Bdevel at de-korte.org>>

> Citeren Robert Jobbagy <jobbagy.robert at gmail.com>:
>
>
>  I checked out the HEAD rev and tried the liebert driver.
>> it gave wrong model,firmware,serial, mfr date value. caused by len
>> variable
>> in line 97 and after
>>
>
> If you provide the debug output, this will save us looking up the last time
> you posted the results.
>
>
>  I use my ups with usb -> serial converter.
>>
>
> Which one?
>
>
>  these patches attached
>>
>> Did you try the liebert-esp2 driver in ON Battery mode ?
>>
>
> I don't have one, so I can't tell.
>
>
>  Because If I switch my ups on battery (plugged off the input) then liebert
>> driver force shutdown PC and shutdown UPS.
>>
>
> In it's present state, the liebert-esp2 driver can't shutdown the UPS.
>
>
>  Battery is full charged. UPS doesnt recieve LOW BATTERY EVENT.
>>
>
> How old are the batteries? When was the last time you ran a battery test?
> This sounds more like a bad battery than a driver problem. Worn out
> batteries are a common cause of mishaps like these, where the batteries seem
> to be fine when not loaded (mains present), but fail under load (mains
> failure) within seconds.
>
>
>  the shutdown function is missing from liebert-esp2 driver, this is the
>> reason the force shutdown ?
>>
>
> The driver won't be able to shutdown the UPS if the upsdrv_shutdown
> function is not functional. If the UPS kills the output, it is not caused by
> NUT but most likely by the battery protection.
>
> Best regards, Arjen
> --
> Please keep list traffic on the list
>
>
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>



-- 
Best Regards,

Robert
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