Hi,
I've just found the following in /usr/local/share/doc/pkg-readmes/nut
Special notice for APC USB devices
----------------------------------
Some APC USB devices are reported to only work with NUT if the device is
attached to ugen(4). Normally these devices attach to upd(4) to provide
system power sensors (see "sysctl hw.sensors"). If you are having problems
using such a device with NUT, you may need to prevent this attachment.
The option with fewest side-effects is to add the following entries to
the table in /sys/dev/usb/usb_quirks.c and build a new kernel:
{ USB_VENDOR_APC, USB_PRODUCT_APC_UPS, ANY, { UQ_BAD_HID }},
{ USB_VENDOR_APC, USB_PRODUCT_APC_UPS5G, ANY, { UQ_BAD_HID }},
Alternatively, if you do not use a USB keyboard/mouse, you could simply
disable the upd and uhidev drivers. The following line creates a new kernel
with the relevant changes:
printf 'disable uhidev\ndisable upd\nquit\n' | config -e -o
/bsd.no-uhid /bsd
So I'll have to investigate that.
Ben
On 10/02/2025 15:01, Jim Klimov wrote:
Hello, sorry and puzzled to hear about that.
My guess would be permissions - while nut-scanner remains `root` (if
started as one) and sees everything, drivers default to dropping
privileges and may not see the devfs nodes (not sure OTOH which paths
are involved on OpenBSD). One experimental workaround can be adding
`user=root` to `ups.conf` entry for the device. But properly - tame
whichever subsystem is responsible for that (devd?) to let the packaged
run-time user see the device node.
Also to cobfirm tge hypothesis, you can run the driver start attempt
with higher debug verbosity, e.g.
:; upsdrvctl -DDDDDD -d start
On Mon, Feb 10, 2025, 15:55 Ben Short <[email protected]
<mailto:[email protected]>> wrote:
Hi,
I'm trying to get NUT running.
I've installed it with pkg_add nut
I can see my UPS as follows:
# nut-scanner
Cannot load SNMP library (libnetsnmp.so) : file not found. SNMP search
disabled.
Cannot load XML library (libneon.so) : file not found. XML search
disabled.
Cannot load AVAHI library (libavahi-client.so) : file not found. AVAHI
search disabled.
Scanning USB bus.
No start IP, skipping NUT bus (old connect method)
Scanning NUT simulation devices.
[nutdev-usb1]
driver = "usbhid-ups" # alternately: apc_modbus
port = "auto"
vendorid = "051D"
productid = "0003"
product = "Smart-UPS X 2200 FW:UPS 07.4 / ID=01003"
serial = "AS2039254737"
vendor = "American Power Conversion"
# bus = "000"
# device = "005"
# busport = "004"
I've added the details to /etc/nut/ups.conf
But get the following error:
# upsdrvctl start
Network UPS Tools - UPS driver controller 2.8.2
Network UPS Tools - Generic HID driver 0.53 (2.8.2)
USB communication driver (libusb 1.0) 0.47
libusb1: Could not open any HID devices: no USB buses found
No matching HID UPS found
upsnotify: failed to notify about state 4: no notification tech
defined,
will not spam more about it
Driver failed to start (exit status=1)
Any ideas?
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