AppArmor is denying access permission to the Lexmark print driver, to
fix this we need to update the apparmor profile that is used to confine
cups.
Janos, can you perform the following test. Please add the following rule
to the /etc/apparmor.d/usr.sbin.cupsd file (this will require admin
permissions so use sudo).
/usr/local/lexmark/08zero/bin/printdriver rix,
I would do it so that it is next to the
/usr/local/lib/cups/** rix,
rule, so that the file looks like
...
/usr/local/lib/cups/** rix,
/usr/local/lexmark/08zero/bin/printdriver rix,
/usr/share/** r,
...
after this you may do either of the following
from the cmdline reload the apparmor profile and restart cups
sudo apparmor_parser -r /etc/apparmor.d/usr.sbin.cupsd
sudo restart cups
or
reboot your computer this will reload apparmor policy and restart cups
Adding this rule may not grant enough permissions to get the Lexmark printer to
work. If it fails check dmesg and apparmor will log a new message for any new
denials it is causing.
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https://bugs.launchpad.net/bugs/1187970
Title:
apparmor prevents custom printer driver from executing
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