Hello,
I have an APC Back-UPS ES 550G. I use the usbhid-ups driver, which works fine
most of the time. However, after a few hours of running, it starts to broadcast
messages on the network that the UPS is not available, and any attempted
queries will return "Data stale". Restarting the driver solves the problem, at
least for the next few hours.
I tried adjusting timing settings, but it doesn't seem to help. Currently I
have the following settings: on the driver, pollfreq = 5 and pollinterval = 2.
In the monitor config, I have POLLFREQ 5, POLLFREQALERT 5 (these are the
defaults), and DEADTIME 30.
Here is my uname -a output.
Linux linaro-alip 4.4.16-00006-g4431f98-dirty #1 SMP Mon Apr 17 17:27:25 CST
2017 armv7l GNU/Linux
Péter
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