I am running tests on my system and UPS, making sure that it is reliably able to come up, detect power loss, shutdown safely, and then come back up when the power returns.
It does that MOST of the time. However, a significant part of the time, the system comes up, and then doesn't respond to loss of power. Doing some checking, I find that the reason is because upsd never started. Capturing its output, I see that it says : Fatal error: A previous upsd instance is already running! Either stop the previous instance first, or use the 'reload' command. Again note that this only happens SOME of the time....all other times, all 3 things get started that are supposed to (upsdrvctl, upsd, upsmon). Even when upsd fails, the other two services start. This is being run in Porteus 3.1 with nut 2.7.2. I'm calling my script from /etc/rc.d/rc.local. This script contains: #!/bin/sh /usr/local/ups/sbin/upsdrvctl -u ups start sleep 2 /usr/local/ups/sbin/upsd -u ups sleep 2 /usr/local/ups/sbin/upsmon -u ups I checked that upsd wasn't getting started from anywhere else, and I looked in the NUT code to see if I could figure out why it thought upsd was already started, but nothing was obvious. Does anyone have any other suggestions for tracking down why upsd errors out like that sometimes? Sincerely, Rob Groner Software Engineer RTD Embedded Technologies, Inc. ISO 9001 and AS9100 Certified Ph: 814-234-8087 www.rtd.com<http://www.rtd.com/>
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