[Nut-upsuser] AVRX750/500 issues
objecttothis
objecttothis at gmail.com
Wed Jul 22 14:57:37 BST 2020
I wouldn't be surprised if they both use the same driver. I think they are essentially the same model, but with one having a slightly larger battery. My issue is primarily with the UPS turning back on after having shut off like it should. @Scott Colby if you take a look at the config files I posted in the github issue I created, perhaps that will give you some hints on your issue. Maybe there are differences in the config that would give you a clue as to why your Pi isn't shutting off. Does it work properly if you have it shut down from a timer instead of low battery? Are you wanting your UPS to turn back on after a delay, or just turn back on when power is restored to the mains?
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From: Nut-upsuser <nut-upsuser-bounces+objecttothis=gmail.com at alioth-lists.debian.net> On Behalf Of nut-upsuser-request at alioth-lists.debian.net
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Today's Topics:
1. Re: AVR750U Low Power not Triggering Shutdown (Scott Colby)
----------------------------------------------------------------------
Message: 1
Date: Wed, 22 Jul 2020 00:07:03 -0400
From: "Scott Colby" <scott at scolby.com>
To: nut-upsuser at alioth-lists.debian.net
Cc: objecttothis at gmail.com
Subject: Re: [Nut-upsuser] AVR750U Low Power not Triggering Shutdown
Message-ID: <4f09187f-5718-4202-9550-3a61037deef9 at www.fastmail.com>
Content-Type: text/plain
Hello again,
I had to take a hiatus from troubleshooting this issue, but I'm back now with new information. As before, I am working with a TrippLite AVR750U purchased earlier this year. However, I've switched from the FreeBSD-based router to a Debian-based Raspberry Pi for reasons that are probably not worth explaining at the moment :^)
I've included my current configuration files at the bottom of this message.
I've run a few experiments to try to determine what's going on here.
I'll include the shell command and any output delimited by ###'s, followed by my observation of the behavior of the Raspberry Pi and the UPS.
First Experiment
################
$ sudo upsmon -c fsd
Network UPS Tools upsmon 2.7.4
Broadcast message from nut at raspi (somewhere) (Tue Jul 21 23:27:01
Executing automatic power-fail shutdown
Broadcast message from nut at raspi (somewhere) (Tue Jul 21 23:27:01
Auto logout and shutdown proceeding
$ Connection to pi closed by remote host.
Connection to pi closed.
################
I ran this command under two sets of conditions:
- UPS plugged in to the mains
- UPS unplugged from the mains, then plugging it back in approximately
60 seconds after it turned off
In both cases, the Pi shut down cleanly after approximately 5 seconds (FINALDELAY?), and the UPS turned off after approximately 25 seconds (FINALDELAY + the default offdelay?) However, the UPS never came back up.
Second Experiment
#################
$ sudo upsdrvctl shutdown
Network UPS Tools - UPS driver controller 2.7.4 Network UPS Tools - Generic HID driver 0.41 (2.7.4) USB communication driver 0.33 Using subdriver: TrippLite HID 0.82 Initiating UPS shutdown #################
Nothing happened as far as I can tell. I waited 2 minutes before moving on.
Third Experiment
################
$ sudo /lib/nut/usbhid-ups -a AVR750U -k Network UPS Tools - Generic HID driver 0.41 (2.7.4) USB communication driver 0.33 Using subdriver: TrippLite HID 0.82 Initiating UPS shutdown $ Connection to pi closed.
################
The UPS turned off after approximately 20 seconds, but there was no clean shut down of the Pi. I think this is expected.
Fourth Experiment
#################
$ sudo upscmd -u admin -p passw0rd AVR750U shutdown.return OK #################
I also ran this experiment under two conditions:
- UPS plugged into the mains
- UPS unplugged then reconnected approximately 30 seconds after
shutdown
In the first case, nothing happened. In the second case, the UPS shut off after 20 seconds. However, it did not turn back on after I reconnected it to power.
Fifth Experiment
################
To answer Roger's questions, I did the following:
- ran `upslog -f '{"time": "%TIME @Y- at m-@dT at H:@M:@S%", "charge": %VAR battery.charge%, "status": "%VAR ups.status%", "runtime": %VAR battery.runtime%}' -i 10 -l upslog.jsonl -s AVR750U` and tailed its output
- unplugged from the mains and observed a wall message and status
change from upslog
- reconnected to the mains and observed a wall message and status
change
- unplugged again and observed another wall message and status
change
- waited for the battery to run down
- here's an extract from that log:
{"time": "2020-07-22T02:20:22", "charge": 3, "status": "OB DISCHRG", "runtime": 138}
{"time": "2020-07-22T02:20:32", "charge": 3, "status": "OB DISCHRG", "runtime": 128}
{"time": "2020-07-22T02:20:42", "charge": 3, "status": "OB DISCHRG", "runtime": 123}
{"time": "2020-07-22T02:20:52", "charge": 2, "status": "OB DISCHRG", "runtime": 108}
{"time": "2020-07-22T02:21:02", "charge": 2, "status": "OB DISCHRG", "runtime": 98}
{"time": "2020-07-22T02:21:12", "charge": 2, "status": "OB DISCHRG", "runtime": 93}
{"time": "2020-07-22T02:21:22", "charge": 2, "status": "OB DISCHRG", "runtime": 77}
{"time": "2020-07-22T02:21:32", "charge": 1, "status": "OB DISCHRG", "runtime": 67}
{"time": "2020-07-22T02:21:42", "charge": 1, "status": "OB DISCHRG", "runtime": 62}
{"time": "2020-07-22T02:21:52", "charge": 1, "status": "OB DISCHRG", "runtime": 52}
{"time": "2020-07-22T02:22:02", "charge": 0, "status": "OB DISCHRG", "runtime": 41}
{"time": "2020-07-22T02:22:12", "charge": 0, "status": "OB DISCHRG", "runtime": 31}
{"time": "2020-07-22T02:22:22", "charge": 0, "status": "OB DISCHRG", "runtime": 21}
{"time": "2020-07-22T02:22:32", "charge": 0, "status": "OB DISCHRG", "runtime": 11}
{"time": "2020-07-22T02:22:42", "charge": 0, "status": "OB DISCHRG", "runtime": 1}
{"time": "2020-07-22T02:22:52", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T02:23:02", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T02:23:12", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T02:23:22", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T02:23:32", "charge": 0, "status": "OB DISCHRG", "runtime": 0} ...
{"time": "2020-07-22T03:19:52", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:02", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:12", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:22", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:32", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:42", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
{"time": "2020-07-22T03:20:52", "charge": 0, "status": "OB DISCHRG", "runtime": 0}
- !!!!! it ran for almost an hour on charge 0 runtime 0 and never
raised the LB flag
################
So, here are my questions:
- Have I made a configuration error?
- Why is the behavior of `upsdrvctl shutdown` different from that
of `usbhid-ups -k`?
- Why doesn't the UPS ever turn back on on its own?
- What's going on with the LB flag never coming on and the runtime
being badly wrong?
I'm wondering if this is related to what objecttothis is experiencing with the AVRX500U. I'll CC them on this message. Further, I will reach out to TrippLite support to ask what version of the USB HID protocol my AVR750U is using.
Thanks,
Scott
My Configuration
################
# /etc/udev/rules.d/62-nut-usbups-custom.rules
# based on the 62-nut-usbups.rules that came with the package ACTION!="add|change", GOTO="nut-usbups_rules_end"
SUBSYSTEM=="usb_device", GOTO="nut-usbups_rules_real"
SUBSYSTEM=="usb", GOTO="nut-usbups_rules_real"
SUBSYSTEM!="usb", GOTO="nut-usbups_rules_end"
LABEL="nut-usbups_rules_real"
# TrippLite
# e.g. TrippLite AVR750U - usbhid-ups
ATTR{idVendor}=="09ae", ATTR{idProduct}=="3024", MODE="664", GROUP="nut"
LABEL="nut-usbups_rules_end"
# nut.conf
MODE=standalone
# ups.conf
[AVR750U]
driver = usbhid-ups
productid = 3042
port = auto
# upsd.conf
# empty
# upsd.users
[admin]
password = passw0rd
instcmds = ALL
[upsmon]
password = passw0rd
upsmon master
# upsmon.conf
MONITOR AVR750U 1 upsmon passw0rd master MINSUPPLIES 1 SHUTDOWNCMD "/sbin/shutdown -h +0"
POLLFREQ 5
POLLFREQALERT 5
HOSTSYNC 15
DEADTIME 15
POWERDOWNFLAG /etc/killpower
RBWARNTIME 43200
NOCOMMWARNTIME 300
FINALDELAY 5
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