Hello, Per (4) I think the driver wrapped into the systemd service unit instance is just running, auto-started by the OS just like other services... Make sure `nut-server.service` is also running, and check `upsc apcupskelder` if it just returns the data of the device? So the problems seen with manual starts via `upsdrvctl` are most likely conflicts against the copy of the same driver started by systemd (and/or revived after the `upsdrvctl`-started sibling kills it); more details in that wiki article on NDE linked earlier.
Otherwise, in (1) `chown`'s might have been a problem or not, it depends on how your system starts those daemons (upsd, upsmon, drivers...). If they begin life as `root` and drop privileges - they might care less about config file permissions, at least until/unless they reload and at that time run as a different user (after dropping privilege) than the one allowed to read config files (e.g. if you finalize on `nutmon` for nut-monitor.service, while its `upsmon.conf` is only visible to `nut` per packaging, or vice-versa). For (2), seems OK. For (3) - my bad, I mistook the `nut-scanner` output for what you used in configs, while scrolling around the mail :) Jim On Fri, Nov 1, 2024 at 4:06 PM Erik De Boeck <[email protected]> wrote: > Hi Jim, > > Thanks for your help. I'll respond in the same order as you did: > > 1. Unfortunately, I did "chown" stuff to these created users... Since > the other three responses don't seem to be what you're looking for (but > that's only my uninformed interpretation), I suppose the problem lies here? > Is there a number of files/directories that I should "chown" again > with user "nut"? > > 2. ``` > erik@MinipcLG2:/usr/lib/udev/rules.d$ cat > /usr/lib/udev/rules.d/62-nut-usbups.rules | grep 051d > ATTR{idVendor}=="051d", ATTR{idProduct}=="0000", MODE="664", > GROUP="nut" > ATTR{idVendor}=="051d", ATTR{idProduct}=="0002", MODE="664", > GROUP="nut" > ATTR{idVendor}=="051d", ATTR{idProduct}=="0003", MODE="664", > GROUP="nut" > ATTR{idVendor}=="051d", ATTR{idProduct}=="0004", MODE="664", > GROUP="nut" > ``` > > 3. I believe I commented these away? Are you suggesting I change > something? > > 4. ``` > erik@MinipcLG2:/usr/lib/udev/rules.d$ systemctl status > [email protected] > ● [email protected] - Network UPS Tools - device driver > for NUT device 'apcupskelder' > Loaded: loaded (/usr/lib/systemd/system/[email protected]; > enabled; preset: enabled) > Drop-In: /etc/systemd/system/[email protected] > └─nut-driver-enumerator-generated-checksum.conf, > nut-driver-enumerator-generated.conf > Active: active (running) since Fri 2024-11-01 01:26:41 CET; 14h > ago > Main PID: 1141 (usbhid-ups) > Tasks: 1 (limit: 9284) > Memory: 1.0M (peak: 1.9M) > CPU: 43.317s > CGroup: > /system.slice/system-nut\x2ddriver.slice/[email protected] > └─1141 /lib/nut/usbhid-ups -a apcupskelder > > nov 01 01:26:40 MinipcLG2 nut-driver@apcupskelder[1068]: HIDParse: > LogMax is less than LogMin. Vendor HID report descriptor may be incorrect; > interpreting > > nov 01 01:26:40 MinipcLG2 nut-driver@apcupskelder[1068]: HIDParse: > LogMax is less than LogMin. Vendor HID report descriptor may be incorrect; > interpreting > > nov 01 01:26:40 MinipcLG2 nut-driver@apcupskelder[1068]: Using > subdriver: APC HID 0.100 > nov 01 01:26:40 MinipcLG2 nut-driver@apcupskelder[1068]: Network UPS > Tools - Generic HID driver 0.52 (2.8.1) > nov 01 01:26:40 MinipcLG2 nut-driver@apcupskelder[1068]: USB > communication driver (libusb 1.0) 0.46 > nov 01 01:26:41 MinipcLG2 usbhid-ups[1141]: Startup successful > nov 01 01:26:41 MinipcLG2 usbhid-ups[1141]: upsnotify: failed to > notify about state 2: no notification tech defined, will not spam more > about it > nov 01 01:26:41 MinipcLG2 nut-driver@apcupskelder[911]: Network UPS > Tools - UPS driver controller 2.8.1 > nov 01 01:26:41 MinipcLG2 systemd[1]: Started > [email protected] - Network UPS Tools - device driver > for NUT device 'apcupskelder'. > nov 01 01:26:42 MinipcLG2 usbhid-ups[1141]: sock_connect: enabling > asynchronous mode (auto) > lines 1-22/22 (END) > ``` > > Thanks in advance for your further guidance! > > Kind regards, > > Erik > > > Op vr 1 nov 2024 om 15:42 schreef Jim Klimov <[email protected]>: > >> Hello, >> >> I was thinking about what could be going wrong here, and a few ideas >> pop up: >> >> 1) If you installed NUT from packaging, there should have been no need to >> add OS groups/users manually. There is a valid use-case for running >> different daemons under different accounts, as long as they talk over >> network and access same files or UNIX sockets at best by sharing a group >> for that, but it does need some careful planning to pull off :) >> In the worst case, if you also "chown"ed something to these new accounts, >> and if no daemon actually runs as those, you've locked out the daemons from >> some access. >> >> 2) Access to USB device filesystem nodes should be governed with udev on >> that platform, check if you have a file like >> /usr/lib/udev/rules.d/62-nut-usbups.rules and if it lists USB IDs of your >> device 051d:0002 >> >> 3) Driver options bus, device, busport can depend on topology and >> enumeration of connected devices; it may be wise to comment them away. >> Later NUT versions already do not default to offering them in `nut-scanner` >> output, to minimize run-time surprises. >> >> 4) See if you already have a service instance >> `[email protected]` defined and running, since NUT v2.8.0 >> https://github.com/networkupstools/nut/wiki/nut%E2%80%90driver%E2%80%90enumerator-(NDE) >> could have created it - but the older blogs/videos do not reflect this >> facility. The "terminating other driver" seems to be a clue in that >> direction. Maybe that other copy of the driver is what holds the USB port. >> Also avoid `upsdrvctl` in that case. >> Notably, if the driver already runs under that service, and `upsd >> apcupskelder` returns data - maybe you don't have to do anything. >> >> There might be some other loose threads to pull, but please check these >> ones first as most likely :) >> >> Jim >> >> >> On Wed, Oct 30, 2024 at 11:58 AM Erik De Boeck via Nut-upsuser < >> [email protected]> wrote: >> >>> Hi all, >>> >>> Yesterday, I bought a UPS for the first time in my life, and was eager >>> to dive into NUT. But not all is working as expected... I saw a similar >>> thread started on 18 October, but it didn't help me. (I also spent a >>> handful of hours searching the web for solutions, and of course read the >>> manual and FAQ - "queequeg".) >>> >>> I tried shutting my UPS (APC "Back-UPS BX750MI FW:295202G -302202G") >>> down with `sudo upsdrvctl shutdown`, but no response. Digging around, I >>> found a few things that raised my suspicion, but I can't figure it out... >>> >>> I followed this fine gentleman's guide (but tweaked it a bit - I don't >>> know why he uses `master` and `slave` for example?): >>> https://www.youtube.com/watch?v=vyBP7wpN72c. >>> I must add that I created a few users and user groups during >>> installation and configuration, following the documentation. But in the >>> end, I lost oversight, and everything didn't work. So it's entirely >>> possible there's a permissions issue somewhere. But I don't have any idea >>> where... >>> >>> Because of the trial-and-error approach, in the `.conf` files (shown >>> below), a lot of stuff is commented out. I assume I can delete it, but I >>> also assume the `#` should be adequate? Anyway, I keep it in the output >>> below for clarity. >>> >>> I'll just paste various outputs here, I hope that's a reasonable >>> approach? >>> >>> Thanks in advance for anyone's help! >>> >>> Kind regards, >>> >>> Erik >>> >>> PS. I also created a GitHub issue ( >>> https://github.com/networkupstools/nut/issues/2666). Maybe doing that >>> AND mailing this, is not the correct procedure? In that case, I apologize. >>> >>> >>> ``` >>> erik@MinipcLG2:/$ sudo upsdrvctl shutdown apcupskelder >>> Network UPS Tools - UPS driver controller 2.8.1 >>> Network UPS Tools - Generic HID driver 0.52 (2.8.1) >>> USB communication driver (libusb 1.0) 0.46 >>> select with socket: Invalid argument >>> Can't claim USB device [051d:0002]@0/0: Entity not 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) >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ sudo nut-scanner -U >>> Scanning USB bus. >>> [nutdev1] >>> driver = "usbhid-ups" >>> port = "auto" >>> vendorid = "051D" >>> productid = "0002" >>> product = "Back-UPS BX750MI FW:295202G -302202G" >>> serial = "9B2416A22014" >>> vendor = "American Power Conversion" >>> bus = "001" >>> device = "004" >>> busport = "002" >>> ###NOTMATCHED-YET###bcdDevice = "0106" >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo usbhid-ups -a apcupskelder >>> sudo: usbhid-ups: opdracht niet gevonden >>> ``` >>> This seems strange? But after some googling, I found the below >>> alternative - although I would expect it to work without `/lib/nut/`): >>> ```` >>> erik@MinipcLG2:/$ sudo /lib/nut/usbhid-ups -a apcupskelder >>> Network UPS Tools - Generic HID driver 0.52 (2.8.1) >>> USB communication driver (libusb 1.0) 0.46 >>> Duplicate driver instance detected (PID file >>> /run/nut/usbhid-ups-apcupskelder.pid exists)! Terminating other driver! >>> >>> Bericht aan allen van root@MinipcLG2 (somewhere) (Wed Oct 30 10:27:32 >>> 2024): >>> >>> Communications with UPS apcupskelder@localhost lost >>> >>> >>> Bericht aan allen van root@MinipcLG2 (somewhere) (Wed Oct 30 10:27:32 >>> 2024): >>> >>> Communications with UPS apcupskelder@localhost lost >>> >>> HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may >>> be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x0c >>> HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may >>> be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x22 >>> HIDParse: LogMax is less than LogMin. Vendor HID report descriptor may >>> be incorrect; interpreting LogMax -1 as 255 in ReportID: 0x40 >>> Using subdriver: APC HID 0.100 >>> >>> Bericht aan allen van root@MinipcLG2 (somewhere) (Wed Oct 30 10:27:40 >>> 2024): >>> >>> Communications with UPS apcupskelder@localhost established >>> >>> >>> Bericht aan allen van root@MinipcLG2 (somewhere) (Wed Oct 30 10:27:48 >>> 2024): >>> >>> Communications with UPS apcupskelder@localhost lost >>> >>> >>> Bericht aan allen van root@MinipcLG2 (somewhere) (Wed Oct 30 10:27:56 >>> 2024): >>> >>> Communications with UPS apcupskelder@localhost established >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ cat /etc/group | grep nut >>> users:x:100:nutuser,nutmon >>> nut:x:130: >>> nutuser:x:1002: >>> nutgroup:x:1003:nutuser >>> nutmon:x:1004: >>> nutmongroep:x:1005:nutmon >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ lsusb >>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >>> Bus 001 Device 003: ID 0403:6001 Future Technology Devices >>> International, Ltd FT232 Serial (UART) IC >>> Bus 001 Device 004: ID 051d:0002 American Power Conversion >>> Uninterruptible Power Supply >>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ ls -l /dev/bus/usb/001/004 >>> crw-rw-r-- 1 root nut 189, 3 okt 30 10:31 /dev/bus/usb/001/004 >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ cat /etc/os-release >>> NAME="Linux Mint" >>> VERSION="22 (Wilma)" >>> ID=linuxmint >>> ID_LIKE="ubuntu debian" >>> PRETTY_NAME="Linux Mint 22" >>> VERSION_ID="22" >>> HOME_URL="https://www.linuxmint.com/"; >>> SUPPORT_URL="https://forums.linuxmint.com/"; >>> BUG_REPORT_URL=" >>> http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/"; >>> PRIVACY_POLICY_URL="https://www.linuxmint.com/"; >>> VERSION_CODENAME=wilma >>> UBUNTU_CODENAME=noble >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ hostnamectl >>> Static hostname: MinipcLG2 >>> Icon name: computer-desktop >>> Chassis: desktop 🖥️ >>> Machine ID: xxxxxxxxxxxxxxxxxxxxxxxxx >>> Boot ID: xxxxxxxxxxxxxxxxxxxxxxxxx >>> Operating System: Linux Mint 22 >>> Kernel: Linux 6.8.0-47-generic >>> Architecture: x86-64 >>> Hardware Vendor: HP >>> Hardware Model: HP EliteDesk 800 G2 DM 65W >>> Firmware Version: N21 Ver. 02.10 >>> Firmware Date: Sun 2016-01-24 >>> Firmware Age: 8y 9month 6d >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ uname -r >>> 6.8.0-47-generic >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ sudo apt list nut* >>> Bezig met oplijsten... Klaar >>> nut-cgi/noble,now 2.8.1-3.1ubuntu2 amd64 [geïnstalleerd] >>> nut-client/noble,now 2.8.1-3.1ubuntu2 amd64 [geïnstalleerd] >>> nut-doc/noble 2.8.1-3.1ubuntu2 all >>> nut-i2c/noble 2.8.1-3.1ubuntu2 amd64 >>> nut-ipmi/noble 2.8.1-3.1ubuntu2 amd64 >>> nut-modbus/noble 2.8.1-3.1ubuntu2 amd64 >>> nut-monitor/noble 2.8.1-3.1ubuntu2 all >>> nut-powerman-pdu/noble 2.8.1-3.1ubuntu2 amd64 >>> nut-server/noble,now 2.8.1-3.1ubuntu2 amd64 [geïnstalleerd] >>> nut-snmp/noble 2.8.1-3.1ubuntu2 amd64 >>> nut-xml/noble 2.8.1-3.1ubuntu2 amd64 >>> nut/noble,now 2.8.1-3.1ubuntu2 all [geïnstalleerd] >>> nutcracker/noble 0.5.0+dfsg-2 amd64 >>> nutsqlite/noble 2.0.6-4 all >>> nuttcp/noble 6.1.2-4build1 amd64 >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/$ sudo /lib/nut/usbhid-ups -DDD -a apcupskelder >>> Network UPS Tools - Generic HID driver 0.52 (2.8.1) >>> USB communication driver (libusb 1.0) 0.46 >>> 0.000000 [D3] do_global_args: var='pollinterval' val='1' >>> 0.000024 [D1] testval_reloadable: setting 'pollinterval' exists >>> and differs: new value '1' vs. '2' >>> 0.000057 [D3] do_global_args: var='maxretry' val='3' >>> 0.000083 [D3] main_arg: var='driver' val='usbhid-ups' >>> 0.000108 [D3] main_arg: var='port' val='auto' >>> 0.000136 [D3] main_arg: var='desc' val='Back-UPS BX750MI >>> FW:295202G -302202G' >>> 0.000152 [D3] main_arg: var='vendorid' val='051d' >>> 0.000179 [D3] main_arg: var='productid' val='0002' >>> 0.000203 [D3] main_arg: var='serial' val='9B2416A22014' >>> 0.000248 [D1] Network UPS Tools version 2.8.1 (release/snapshot >>> of 2.8.1) built with gcc (Ubuntu 13.2.0-23ubuntu2) 13.2.0 and configured >>> with flags: --build=x86_64-linux-gnu --prefix=/usr >>> --includedir=${prefix}/include --mandir=${prefix}/share/man >>> --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var >>> --disable-option-checking --disable-silent-rules >>> --libdir=${prefix}/lib/x86_64-linux-gnu --runstatedir=/run >>> --disable-maintainer-mode --disable-dependency-tracking --prefix= >>> --sysconfdir=/etc/nut --includedir=/usr/include --mandir=/usr/share/man >>> --libdir=${prefix}/lib/x86_64-linux-gnu --libexecdir=/usr/libexec >>> --with-ssl --with-nss --with-cgi --with-dev --enable-static >>> --with-statepath=/run/nut --with-altpidpath=/run/nut >>> --with-drvpath=/lib/nut --with-cgipath=/usr/lib/cgi-bin/nut >>> --with-htmlpath=/usr/share/nut/www --with-pidpath=/run/nut >>> --datadir=/usr/share/nut >>> --with-pkgconfig-dir=/usr/lib/x86_64-linux-gnu/pkgconfig --with-user=nut >>> --with-group=nut --with-udev-dir=/lib/udev >>> --with-systemdsystemunitdir=/lib/systemd/system >>> --with-systemdshutdowndir=/lib/systemd/system-shutdown >>> --with-systemdtmpfilesdir=/usr/lib/tmpfiles.d --with-python=python3 >>> --with-python3=/usr/bin/python3 --with-doc=man,html-single,html-chunked,pdf >>> 0.000352 [D1] debug level is '3' >>> 0.002200 [D1] Succeeded to become_user(nut): now UID=121 GID=130 >>> 0.002266 [D1] upsdrv_initups (non-SHUT)... >>> 0.002285 [D2] Initializing an USB-connected UPS with library >>> libusb-1.0.27 (API: 0x100010a) (NUT subdriver name='USB communication >>> driver (libusb 1.0)' ver='0.46') >>> 0.008020 [D2] Checking device 1 of 4 (1D6B/0003) >>> 0.008045 [D1] Failed to open device (1D6B/0003), skipping: Access >>> denied (insufficient permissions) >>> 0.008052 [D2] Checking device 2 of 4 (0403/6001) >>> 0.008064 [D1] Failed to open device (0403/6001), skipping: Access >>> denied (insufficient permissions) >>> 0.008079 [D2] Checking device 3 of 4 (051D/0002) >>> 0.010003 [D2] - VendorID: 051d >>> 0.010014 [D2] - ProductID: 0002 >>> 0.010018 [D2] - Manufacturer: American Power Conversion >>> 0.010022 [D2] - Product: Back-UPS BX750MI FW:295202G -302202G >>> 0.010026 [D2] - Serial Number: 9B2416A22014 >>> 0.010030 [D2] - Bus: 001 >>> 0.010034 [D2] - Bus Port: 002 >>> 0.010038 [D2] - Device: 004 >>> 0.010042 [D2] - Device release number: 0106 >>> 0.010046 [D2] Trying to match device >>> 0.010058 [D2] match_function_subdriver (non-SHUT mode): matching >>> a device... >>> 0.010068 [D3] match_function_regex: matching a device... >>> 0.010145 [D2] Device matches >>> 0.010155 [D2] Reading first configuration descriptor >>> 0.010172 [D3] libusb_kernel_driver_active() returned 0: Success >>> 0.010186 [D2] failed to claim USB device: Resource busy >>> 0.010198 [D2] Kernel driver already detached >>> 0.010210 [D2] failed to claim USB device: Resource busy >>> 0.010225 [D2] Kernel driver already detached >>> 0.010237 [D2] failed to claim USB device: Resource busy >>> 0.010249 [D2] Kernel driver already detached >>> 0.010263 [D2] failed to claim USB device: Resource busy >>> 0.010275 [D2] Kernel driver already detached >>> 0.010286 Can't claim USB device [051d:0002]@0/0: Entity not found >>> 0.010300 upsnotify: failed to notify about state 4: no >>> notification tech defined, will not spam more about it >>> ``` >>> >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/hosts.conf >>> MONITOR apcupskelder@localhost "APC-UPS kelder" >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/nut.conf >>> MODE=netserver >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/ups.conf >>> pollinterval = 1 >>> maxretry = 3 >>> >>> >>> [apcupskelder] >>> driver = usbhid-ups >>> port = auto >>> desc = "Back-UPS BX750MI FW:295202G -302202G" >>> vendorid = 051d >>> productid = 0002 >>> serial = 9B2416A22014 >>> # vendor = "American Power Conversion" >>> # bus = 001 >>> # device = 005 >>> # busport = 002 >>> ###NOTMATCHED-YET###bcdDevice = "0106" >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/upsd.conf >>> LISTEN 0.0.0.0 3493 >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/upsd.users >>> #[bespieder] >>> [monuser] >>> password = indUStr*a >>> # bekijker primary >>> # admin master >>> admin primary >>> ``` >>> >>> ``` >>> erik@MinipcLG2:/etc/nut$ sudo cat /etc/nut/upsmon.conf >>> #RUN_AS_USER nutgebruiker >>> RUN_AS_USER root >>> #MONITOR apcupskelder@localhost 1 bekijker indUStr*a primary >>> #MONITOR apcupskelder@localhost 1 admin indUStr*a master >>> MONITOR apcupskelder@localhost 1 admin indUStr*a primary >>> >>> >>> MINSUPPLIES 1 >>> SHUTDOWNCMD "/sbin/shutdown -h +0" >>> NOTIFYCMD /usr/sbin/upssched >>> POLLFREQ 2 >>> POLLFREQALERT 1 >>> HOSTSYNC 15 >>> DEADTIME 15 >>> POWERDOWNFLAG /etc/nut/killpower >>> >>> NOTIFYMSG ONLINE "UPS %s on line power" >>> NOTIFYMSG ONBATT "UPS %s on battery" >>> NOTIFYMSG LOWBATT "UPS %s battery is low" >>> NOTIFYMSG FSD "UPS %s: forced shutdown in progress" >>> NOTIFYMSG COMMOK "Communications with UPS %s established" >>> NOTIFYMSG COMMBAD "Communications with UPS %s lost" >>> NOTIFYMSG SHUTDOWN "Auto logout and shutdown proceeding" >>> NOTIFYMSG REPLBATT "UPS %s battery needs to be replaced" >>> NOTIFYMSG NOCOMM "UPS %s is unavailable" >>> NOTIFYMSG NOPARENT "upsmon parent process died - shutdown impossible" >>> >>> NOTIFYFLAG ONLINE SYSLOG+WALL+EXEC >>> NOTIFYFLAG ONBATT SYSLOG+WALL+EXEC >>> NOTIFYFLAG LOWBATT SYSLOG+WALL >>> NOTIFYFLAG FSD SYSLOG+WALL+EXEC >>> NOTIFYFLAG COMMOK SYSLOG+WALL+EXEC >>> NOTIFYFLAG COMMBAD SYSLOG+WALL+EXEC >>> NOTIFYFLAG SHUTDOWN SYSLOG+WALL+EXEC >>> NOTIFYFLAG REPLBATT SYSLOG+WALL >>> NOTIFYFLAG NOCOMM SYSLOG+WALL+EXEC >>> NOTIFYFLAG NOPARENT SYSLOG+WALL >>> >>> RBWARNTIME 43200 >>> >>> NOCOMMWARNTIME 600 >>> >>> FINALDELAY 5 >>> ``` >>> _______________________________________________ >>> Nut-upsuser mailing list >>> [email protected] >>> https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser >>> >>
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