On Dec 8, 2019, at 5:46 PM, Layne Fowler <[email protected]> wrote:
>
> My UPS is connected to a Raspberry Pi by USB. After a few hours of working,
> the service fails. Looking at kernel messages I noticed that the device is
> repeatedly disconnecting and reconnecting.
>
> I have tried using a different USB port and using a brand new USB cable. I
> have not had success by changing config parameters like
> pollfreq/pollinterval/etc.
>
> What is causing the UPS to keep disconnecting?
Not sure (it's a protocol issue lower than NUT), but does this post from Tripp
Lite help the UPS automatically reconnect?
https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html
<https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html>
(you may need to do some RedHat-to-Debian translation for some of the
pathnames.)
>
> OS - Raspbian GNU/Linux 10 (buster)
> Kernel - 4.19.75-v7+
> Nut version - 2.7.4-8
> Installation method - From package
> UPS - Tripp Lite SMART1500LCD
Thanks for including all of the version information.
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