Permissions problem for sane

Warren Block wblock at wonkity.com
Thu Aug 6 15:17:45 UTC 2015


On Thu, 6 Aug 2015, Anthony Campbell wrote:

> On 06 Aug 2015, Warren Block wrote:
>> On Thu, 6 Aug 2015, Anthony Campbell wrote:
>>
>>> My first posting to this list. I've been using 10.1 for a couple of
>>> months on my Thinkpad T60 without problems.
>>>
>>> Trying to get my Epson 1650 scanner to work, I found it was only
>>> detected as root. It's at /dev/usb:/dev/ugen0.2
>>>
>>> After googling, I found instructions on Freebsd manual for 8.7, which
>>> involved creating a usb group and making/modifying /etc/devfs.rules.
>>> This didn't work.
>>>
>>> I then added myself to the wheel and operator groups but again no
>>> result.
>>>
>>> Should I modify the permissions on /dev/ugen0.2?
>>
>> That will work temporarily.  The scanner might not always appear at 0.2,
>> though.  A similar way of doing this is to make your normal user a member of
>> the operator group, and assign all USB devices to that group with
>> /etc/devfs.rules:
>>
>>   add path 'usb/*' mode 0660 group operator
>
> Thanks for the reply. Unfortunately I've already tried that but it
> doesn't make any difference. Still I can only find the scanner as root.

Maybe I forgot something.  I have an Epson 1640SU which works fine here. 
The only other setting in /etc/devfs.rules that might matter is

   add path 'xpt*' mode 0660 group operator


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