Red Hat Bugzilla – Bug 244762
Parallel Port Scanner not found
Last modified: 2008-06-16 21:38:46 EDT
Description of problem:
My computer has 3 parallel ports. One is connected to a printer, and one is
connected to a parallel port scanner (Canon N640P). The scanner is not
recognised. (no devices found) .. the scanner works fine in FC6 with appropriate
editing of dll.conf and adding user to "lp" group. I have checked all ports by
moving the printer to each port and testing. All ports work. I have also
compiled sane-backends from sane's website, with the same result. I suspect
something in the kernel is stopping the use of the ports for a parallel scanner,
but I have exhausted my skill set.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
I turned off various elements in the kernel relating to the parallel port ...
<off> Multi-IO cards (parallel and serial)
<off> AX88796 Parallel Port
<off> Support for user-space parallel port device drivers
After recompilation of the kernel, I can use the scanner as root, but not as
user, even though user is a member of group lp ....
So, the kernel is doing something, which affects permissions etc ..
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