Nut upsuser - Feb 2021 - [EXTERNAL] Tripp Lite "Remote Shutdown" when USB cable is attached

So confused.  Downloaded Ubuntu 20.04 (ubuntu-20.04.2-desktop-amd64.iso)
and booted my laptop to a liveCD environment. Watched all the systems logs
and plugged in.  UPS did it's "REMOTE SHUTDOWN". Nothing of
interest in the
logs.  Unplugged the USB and waited about 5m.  Plugged USB back into my
laptop, nothing, unplugged...  Rebooted the LiveCD environment, plugged USB
back into my laptop, nothing, unplugged...  VERY stumped, plugged the USB
cable back into my NAS, and everything is happy.

I know the problem is still there.  I know it's going to bite me again, but
I can't seem to reliably trigger it.  Very frustrating.
Thoughts?

On Thu, Feb 4, 2021 at 2:53 PM David Zomaya <David_Zomaya at
tripplite.com>
wrote:
> On a quick check, I'm not seeing the problem with Ubuntu 20.04.1 and an
> SU1000RTXLCD2U (4004 for USB). Reboot the box and disconnect/reconnect
> cable were both ok.
> I'll look into it more.
>
> $ lsusb -d 09ae:4004
> Bus 003 Device 007: ID 09ae:4004 Tripp Lite TRIPPLITE UPS
>
> $ sudo upsc myups
> Init SSL without certificate database
> battery.charge: 100
> battery.charge.low: 88
> battery.charge.warning: 20
> battery.runtime: 48960
> battery.temperature: 26.9
> battery.type: PbAc
> battery.voltage: 27.0
> battery.voltage.nominal: 24.0
> device.mfr: TRIPPLITE
> device.model: TRIPPLITE UPS
> device.serial: 2928JLCPS795000132
> device.type: ups
> driver.flag.ignorelb: enabled
> driver.name: usbhid-ups
> driver.parameter.pollfreq: 30
> driver.parameter.pollinterval: 2
> driver.parameter.port: auto
> driver.parameter.synchronous: no
> driver.version: 2.7.4
> driver.version.data: TrippLite HID 0.82
> driver.version.internal: 0.41
> input.frequency: 59.9
> input.transfer.high: 150.0
> input.transfer.high.max: 150
> input.transfer.high.min: 145
> input.transfer.low: 55.0
> input.transfer.low.max: 60
> input.transfer.low.min: 55
> input.voltage: 125.0
> input.voltage.nominal: 115
> output.current: 0.0
> output.frequency: 59.9
> output.frequency.nominal: 60
> output.voltage: 115.0
> output.voltage.nominal: 115
> ups.beeper.status: enabled
> ups.delay.shutdown: 20
> ups.delay.start: 30
> ups.firmware: 64
> ups.load: 0
> ups.mfr: TRIPPLITE
> ups.model: TRIPPLITE UPS
> ups.power: 0.0
> ups.power.nominal: 1000
> ups.productid: 4004
> ups.serial: 2928JLCPS795000132
> ups.status: OL
> ups.timer.reboot: 0
> ups.timer.shutdown: -1
> ups.timer.start: 0
> ups.vendorid: 09ae
> ups.watchdog.status: 0
>
>
>
> $ cat /etc/os-release
> NAME="Ubuntu"
> VERSION="20.04.1 LTS (Focal Fossa)"
> ID=ubuntu
> ID_LIKE=debian
> PRETTY_NAME="Ubuntu 20.04.1 LTS"
> VERSION_ID="20.04"
> HOME_URL="https://www.ubuntu.com/"
> SUPPORT_URL="https://help.ubuntu.com/"
> BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
> PRIVACY_POLICY_URL="
> https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
> VERSION_CODENAME=focal
> UBUNTU_CODENAME=focal
>
>
>
> Thank you,
> David Zomaya
> Tripp Lite
>
>
>
>
>
>
>
>
> ________________________________
>  This message is for the addressee's use only. It may contain
confidential
> information. If you receive this message in error, please delete it and
> notify the sender. Tripp Lite disclaims all warranties and liabilities, and
> assumes no responsibility for viruses which may infect an email sent to you
> from Tripp Lite and which damage your electronic systems or information. It
> is your responsibility to maintain virus detection systems to prevent
> damage to your electronic systems and information.
>
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>> So confused.  Downloaded Ubuntu 20.04
(ubuntu-20.04.2-desktop-amd64.iso) and booted my laptop to a liveCD environment.
Watched all the systems logs and plugged in.  UPS did it's "REMOTE
SHUTDOWN". Nothing of interest in the logs.  Unplugged the  USB and waited
about 5m.  Plugged
 >> USB back into my laptop, nothing, unplugged...  Rebooted the LiveCD
environment, plugged USB back into my laptop, nothing, unplugged...  VERY
stumped, plugged the USB cable back into my NAS, and everything is happy.


 >> I know the problem is still there.  I know it's going to bite me
again, but I can't seem to reliably trigger it.  Very frustrating.
 >> Thoughts?

There are a limited number of scenarios where the we'd get REMOTE SHUTDOWN
on the screen. Just to make sure I'm covering all my bases:
Neither of you are using a network card, RS232 serial connection, or EPO
connection to the UPS, correct?

Assuming no, that narrows down things for me to focus on.

As an aside: if anyone else on the mailing list either uses these models (Tripp
Lite 4004 USB protocol with LCD screens) and sees the problem or does NOT. would
be an interesting data point.


Thank you,
David Zomaya
Tripp Lite
________________________________
 This message is for the addressee's use only. It may contain confidential
information. If you receive this message in error, please delete it and notify
the sender. Tripp Lite disclaims all warranties and liabilities, and assumes no
responsibility for viruses which may infect an email sent to you from Tripp Lite
and which damage your electronic systems or information. It is your
responsibility to maintain virus detection systems to prevent damage to your
electronic systems and information.