Re: xsane and root permissions

["Jeremy C. Reed" <reed%reedmedia.net@localhost>]

On Thu, 15 Jun 2017, BERTRAND Jo?l wrote:

> 	OK. I have found the mistake. ss0, nss0 _and_ enss0 are used by 
> sane. With 660 permissions an these devices, xsane runs as expected 
> and withtout root permissions.

Glad it works. Often you can use ktrace to run a tool and then after run 
"kdump | less" to see the output to learn about the problem such as a 
"Operation not permitted" or "Permission denied". Then related lines 
(like CALL and NAMI) could show you what it is trying to do and what 
device files.