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msg01671
2012 Oct 06
1
CyberPower usbhid-ups continuously disconnects/reconnect
...h my Cyberpower UPS. It was working properly after reboot
about one in five times; the rest of the time it would endlessly
disconnect and reconnect, according to syslog messages.
The latest I was able to find towards a solution is
http://www.mail-archive.com/nut-upsuser at lists.alioth.debian.org/msg06671.html
The root cause is identified as a Cyberpower firmware behavior, that
disconnects the box, unless a driver claims it within 20 seconds of
connection. Since the driver is started by an rc script only at boot,
if that boot script does not run at the right time, the only recovery
is to run 'u...