Hi,
Self-reply ftw, is it something to do with the permissions of the device
that is created when the UPS is plugged in? I remember that Debian does
have a pretty strict permissions structure, so do I have to fiddle the
permissions of something in /dev?
I'll try updating nut-server to version 2.6.4-2.3+deb7u1 in wheezy
backports and report back - initial attempt to install from wheezy
backports is not working! (New package won't install when running
'aptitude -t wheezy-backports install nut-server', even though aptitude
got the updated package list correctly...)
Thanks,
Greg
On 14/11/2014 9:57 pm, Greg Vickers wrote:
Hi all,
(Keeping this in a separate email from my first one so as to not make
it horribly complex)
I've connected my Belkin F6C120auUNV UPS to my Debian 7.7.0 host via
USB, and found that the usbhid-ups driver will not start unless I use
the option '-u root', even when starting this driver as root:
root@monitor:/lib/nut# cat /etc/nut/ups.conf
[greything]
driver = usbhid-ups
port = auto
root@monitor:/lib/nut# ./usbhid-ups -a greything
Network UPS Tools - Generic HID driver 0.37 (2.6.4)
USB communication driver 0.32
Can't claim USB device [050d:0912]: could not detach kernel driver
from interface 0: Operation not permitted
root@monitor:/lib/nut# ./usbhid-ups -a greything -u root
Network UPS Tools - Generic HID driver 0.37 (2.6.4)
USB communication driver 0.32
Using subdriver: Belkin HID 0.15
root@monitor:/lib/nut# ps aux | grep usbhid
root 4857 0.1 0.0 16888 712 ? Ss 21:54 0:00
./usbhid-ups -a greything -u root
root 4859 0.0 0.0 7836 880 pts/0 S+ 21:54 0:00 grep
usbhid
Is this expected behavior? Seems like it should not be required, a
quick google found this:
https://bugzilla.redhat.com/show_bug.cgi?id=488368 (not the same
situation, but the short-term fix detailed works, i.e. use '-u root')
Thanks,
Greg
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