[Nut-upsuser] libusb_get_interrupt: error reading from interrupt endpoint /dev/ugen0.1

[Arjen de Korte]

Citeren John Bayly <freebsd.ports op tipstrade.net>:

> Thanks for pointing that out. Just did some timing and found that  
> with and without the "pollonly" flag set, the ups.load value was  
> changing when applying and removing additional load. I did however  
> notice that the time taken to register the load change could be  
> between 0 and 20 seconds, thought this could be down to the UPS  
> itself, and not the drivers.
> I've seen no errors being reported, so I'll cross my fingers!

Note that only a handful variables (mostly related to critical  
ups.status flags) will be polled every 'pollinterval' (default: 2)  
seconds (for the mge-hid subdriver) and the remainder of the variables  
only once every 'pollfreq' (default: 30) seconds. See 'man 5 ups.conf'  
and 'man 8 usbhid-ups' respectively. So with the 'pollonly' flag set,  
the OL/OB/LB and *.timer variables will be updated every 2 seconds and  
the remainder every 30 seconds.

Best regards, Arjen
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