Re: sane access for non-root user

[Daniel Nilsson <daniel.n.nilsson@home.se>]

Quoting Darryl Clarke <smartssa@gmail.com>:
> On 12/13/05, Richard Lyons <richard@the-place.net> wrote:
> > On Tuesday, 13 December 2005 at 14:01:06 -0500, Darryl Clarke wrote:
> > > On 12/13/05, Richard Lyons <richard@the-place.net> wrote:
> > [...]
> > > > Installed xsane
> > > > and can only access it as root.  Added myself to scanner group, but
> > > > still xsane finds 'no devices available' as ordinary user.  Can someone
> > > > remind me or point me at the relevant instructions.
> > > >
> > > > uname -r says 2.6.12-1-386. udevd is running -- I suppose that is
> > > > obvious as the scanner works for root.  What else is important?
> > >
> > > udev isn't setting permissions properly on the device, I would imagine.
> > >
> > > I forget exactly where though... /etc/udev/ would be a starting point.
> >
> > I had already looked there, and /etc/udev/rules.d contains the line:
> >
> > # Epson Corp.|Perfection 1260
> > SYSFS{idVendor}=="04b8", SYSFS{idProduct}=="011d", MODE="660", GROUP="sca\
> > nner", RUN+="/etc/hotplug.d/usb/libsane.hotplug"
> >
> > Which sounds perfect to me.  Must be more to it than that, I guess.
>
> Sounds perfect, but it's not.  Did you check and see what damage
> /etc/hotplug.d/usb/libsane.hotplug might be doing?  It _could_ be
> undoing the permissions.

This sounds exactly like the same issue as I reported a few days ago on this
list with gphoto2 and a USB camera. The USB device node was not updated 
to have
the correct group ownership by the hotplug scripts. I didn't receive an answer
on that question though. Maybe this is more of a generic issue where
permissions on USB device are not set correctly, regardless of whether it's a
camera or scanner?

/Daniel


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