stan wrote: > On Sun, 02 Aug 2009 19:43:51 -0500 > "Mikkel L. Ellertson" <mikkel@xxxxxxxxxxxxxxxx> wrote: > >> There used to be a rule set for scaners in /etc/udev/rules.d that >> created a scanner symlink, and set permissions. But can't seem to >> find it any more. This makes me suspect that HAL or ConsoleKit has >> taken over. It is possible that your scanner is not being recognized >> by the software... If so, this would be a good time to file a bug >> report so they can add it to the list. > > Yeah, it is a scanner that hasn't been supported in sane before this > (Visioneer OneTouch 7400, the Visioneer OneTouch 7300 is supported), so > there will be lots of things to do. I'll be reporting to sane, so maybe > it will get fixed via upstream. > If they use the same protocal, then it is mainly a matter of adding the usb ID. >> In the mean time, you can write a udev rule to set permissions on >> the device. Does "ls /dev/scanner*" show a symlink for the scanner? > > In my searching so far, this seems to be obsolete because it used the > scanner module in the kernel. The modern solution is to use libusb for > usb scanners. > Do you want a quick and dirty fix, or a somewhat better, but more complicated fix? Simple fixes: mount -o remount,devmode=664,gid=<group_number> /proc/bus/usb Replace <group_number> with the number of the group you want to give access. Maybe create a scanner group. mount -o remount,devmode=666 /proc/bus/usb This gives access to everybody. The problem with both of these is that it gives access to all the USB devices. A more complicated solution involves a udev rule tailored to your scanner that sets the ownership/permissions for the device. I have a setup like that for allowing specific devices to be used in VirtualBox virtual machines if you want it. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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