Just an update, these messages are in the syslog when nut is no longer able to communicate with the server:
Oct 14 01:41:59 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:04 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:09 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:14 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:19 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:19 golgotha upsmon[1300]: UPS nailbunny@localhost is unavailable Oct 14 01:42:24 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:29 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:34 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:39 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:42:41 golgotha upsd[1267]: Send ping to UPS [nailbunny] failed: Resource temporarily unavailable Oct 14 01:42:43 golgotha upsd[1267]: Connected to UPS [nailbunny]: usbhid-ups-nailbunny Oct 14 01:42:44 golgotha upsmon[1300]: Communications with UPS nailbunny@localhost established Oct 14 01:42:59 golgotha upsd[1267]: Data for UPS [nailbunny] is stale - check driver Oct 14 01:43:04 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:43:04 golgotha upsmon[1300]: Communications with UPS nailbunny@localhost lost Oct 14 01:43:09 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:43:14 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale Oct 14 01:43:19 golgotha upsmon[1300]: Poll UPS [nailbunny@localhost] failed - Data stale The server reconnects, but can't communicate due to the Data Stale. I get the same result from trying to restart the nut-server service manually. I have to stop and restart the service and it will work for a couple hours up to ~ 24 sometimes. ________________________________ From: Daniel Shields <grungeliza...@hotmail.com> Sent: Thursday, October 13, 2016 2:19 PM To: Charles Lepple Cc: nut-upsuser@lists. alioth. debian. org Subject: Re: [Nut-upsuser] Data Stale at random intervals Here are the results of a restart as well as a stop/start. Seems like it may be the server? I tried to run the nut-server service with gdb, but no luck getting it to work so far. Thanks! ________________________________ From: Charles Lepple <clep...@gmail.com> Sent: Wednesday, October 12, 2016 8:20 PM To: Daniel Shields Cc: nut-upsuser@lists. alioth. debian. org Subject: Re: [Nut-upsuser] Data Stale at random intervals On Oct 12, 2016, at 8:13 PM, Daniel Shields <grungeliza...@hotmail.com> wrote: > > Wow. Okay, well I let the debug run all day. Nothing in the logs even with > debug cranked to level 5. Attached are the last 1000 lines before it quit. > I'm really stumped now. gzipped and resent for the rest of the list. Can you elaborate on how it quit? I don't see any error messages to that effect.
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