Hi.
I use NUT on embedded system, and after update distro to fresh one I've
got a non-working usbhid APC monitoring.
There's 2 troubles:
1) I/O error for root on usbhid device
2) Permissions error for nut user
Root log:
# /usr/bin/usbhid-ups -u root -DDDDDD -a infocom
Network UPS Tools - Generic HID driver 0.37 (5.1.2-beta1-28-g04cd334)
USB communication driver 0.31
0.000000 send_to_all: SETINFO driver.parameter.port "auto"
0.000040 debug level is '6'
0.000095 upsdrv_initups...
0.000781 Checking device (1D6B/0001) (007/001)
0.000881 - VendorID: 1d6b
0.000911 - ProductID: 0001
0.000935 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.001000 - Product: EHCI Host Controller
0.001050 - Bus: 007
0.001075 Trying to match device
0.001098 Device does not match - skipping
0.001150 Checking device (1D6B/0001) (006/001)
0.001242 - VendorID: 1d6b
0.001271 - ProductID: 0001
0.001295 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.001320 - Product: EHCI Host Controller
0.001342 - Serial Number: 0000:00:13.2
0.001379 - Bus: 006
0.001402 Trying to match device
0.001423 Device does not match - skipping
0.001470 Checking device (1D6B/0001) (005/001)
0.001532 - VendorID: 1d6b
0.001560 - ProductID: 0001
0.001581 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.001614 - Product: EHCI Host Controller
0.001640 - Serial Number: 0000:00:12.2
0.001661 - Bus: 005
0.001685 Trying to match device
0.001722 Device does not match - skipping
0.001753 Checking device (1D6B/0001) (003/001)
0.001814 - VendorID: 1d6b
0.001848 - ProductID: 0001
0.001871 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.001896 - Product: EHCI Host Controller
0.001982 - Serial Number: 0000:00:12.2
0.002006 - Bus: 003
0.002030 Trying to match device
0.002054 Device does not match - skipping
0.002085 Checking device (1D6B/0002) (002/001)
0.002149 - VendorID: 1d6b
0.002216 - ProductID: 0002
0.002239 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.002265 - Product: EHCI Host Controller
0.002289 - Serial Number: 0000:00:13.2
0.002309 - Bus: 002
0.002335 Trying to match device
0.002360 Device does not match - skipping
0.002388 Checking device (1D6B/0002) (001/001)
0.002500 - VendorID: 1d6b
0.002529 - ProductID: 0002
0.002550 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.002579 - Product: EHCI Host Controller
0.002603 - Serial Number: 0000:00:12.2
0.002630 - Bus: 001
0.002683 Trying to match device
0.002724 Device does not match - skipping
0.002753 Checking device (051D/0002) (004/002)
0.002789 Failed to open device, skipping. (Input/output error)
0.002811 Checking device (1D6B/0001) (004/001)
0.002958 - VendorID: 1d6b
0.002985 - ProductID: 0001
0.003010 - Manufacturer: Linux 3.10.57-i686 ehci_hcd
0.003034 - Product: EHCI Host Controller
0.003053 - Serial Number: 0000:00:13.2
0.003082 - Bus: 004
0.003108 Trying to match device
0.003131 Device does not match - skipping
0.003211 No appropriate HID device found
0.003238 No matching HID UPS found
User log:
# /usr/bin/usbhid-ups -u nut -DDDDDD -a infocom
Network UPS Tools - Generic HID driver 0.37 (5.1.2-beta1-28-g04cd334)
USB communication driver 0.31
0.000000 send_to_all: SETINFO driver.parameter.port "auto"
0.000063 debug level is '6'
0.000147 upsdrv_initups...
0.000670 Checking device (1D6B/0001) (007/001)
0.000735 Failed to open device, skipping. (Permission denied)
0.000780 Checking device (1D6B/0001) (006/001)
0.000810 Failed to open device, skipping. (Permission denied)
0.000834 Checking device (1D6B/0001) (005/001)
0.000906 Failed to open device, skipping. (Permission denied)
0.000931 Checking device (1D6B/0001) (003/001)
0.000966 Failed to open device, skipping. (Permission denied)
0.001019 Checking device (1D6B/0002) (002/001)
0.001047 Failed to open device, skipping. (Permission denied)
0.001070 Checking device (1D6B/0002) (001/001)
0.001105 Failed to open device, skipping. (Permission denied)
0.001145 Checking device (051D/0002) (004/002)
0.001171 Failed to open device, skipping. (Permission denied)
0.001216 Checking device (1D6B/0001) (004/001)
0.001255 Failed to open device, skipping. (Permission denied)
0.001281 No appropriate HID device found
0.001304 No matching HID UPS found
# ls -l /dev/bus/usb/004
crw-rw---- 1 root nut 189, 128 Nov 11 14:53 001
crw-rw---- 1 root nut 189, 129 Nov 11 08:56 002
libusb 1.0.19, lubusb-compat 0.1.5, nut 2.7.2
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