[Nut-upsuser] There is no voltage information

[Jim Klimov]

Hello,

  For clarity: what changed with the move from NUT v2.7.4 to 2.8.0 - the
warnings "became reported", or the highlighted values became zeroes (and
were valid non-zero numbers with older NUT - so a regression)?

  It seems the message is specific to the subdriver and comes from commit
207fed2282 and a change to the method involved was just recently
experimentally proposed in
https://github.com/networkupstools/nut/issues/2271 discussion comments
(refinement to consider merging as a pull request pending).

Thanks,
Jim

On Wed, Mar 20, 2024 at 3:33 PM Juan Carlos Fischer via Nut-upsuser <
nut-upsuser at alioth-lists.debian.net> wrote:

> Hello everyone
>
> I'm using: Raspberry Pi 4 Model B Rev 1.5  8 GB "Debian GNU/Linux 12
> (bookworm)"
>
> It all started when I updated from version 2.7.4 to version 2.8.0 and the
> consequences were the following:
>
> pi at raspberrypi:~ $ sudo upsdrvctl start
>
> Network UPS Tools - UPS driver controller 2.8.0
> Network UPS Tools - Generic HID driver 0.47 (2.8.0)
> USB communication driver (libusb 1.0) 0.43
> Using subdriver: Belkin/Liebert HID 0.18
> LineVoltage exponent looks wrong, but not correcting.
> LineVoltage exponent looks wrong, but not correcting.
> LineVoltage exponent looks wrong, but not correcting.
> ConfigVoltage exponent looks wrong, but not correcting.
>
> pi at raspberrypi:~ $ upsc Liebert
>
> Init SSL without certificate database
> battery.charge: 100
> battery.charge.low: 38
> battery.charge.warning: 38
> battery.type: PbAc
>
> *battery.voltage: 0.0  <------------battery.voltage.nominal: 0.0
>  <----------*
> device.mfr: Emerson Network Power
> device.model: LiebertPSA
> device.serial:
> device.type: ups
> driver.name: usbhid-ups
> driver.parameter.bus: 001
> driver.parameter.pollfreq: 30
> driver.parameter.pollinterval: 15
> driver.parameter.port: auto
> driver.parameter.productid: 0001
> driver.parameter.synchronous: auto
> driver.parameter.vendorid: 10AF
> driver.version: 2.8.0
> driver.version.data: Belkin/Liebert HID 0.18
> driver.version.internal: 0.47
> driver.version.usb: libusb-1.0.26 (API: 0x1000109)
> input.frequency: 49.9
>
> *input.voltage: 0.0  <---------------output.voltage: 0.0  <--------------*
> ups.load: 9
> ups.mfr: Emerson Network Power
> ups.model: LiebertPSA
> ups.productid: 0001
> ups.serial:
> ups.status: OL CHRG
> ups.vendorid: 10af
>
> Except for those marked, all values are correct.
>
> Any help would be appreciated.
>
> Regards,
>
> Juan Carlos
>
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