If logprof finds a denied message it understands it should prompt you
with a message giving you the chance to allow it. Since this is not
happening, it is not finding a message it understands.
I took a look in your currentdmesg and bootdmesg attachments and didn't
see any apparmor messages, so I am inclined to believe this is not being
caused by apparmor. There are a couple ways to test this
1. Remove the apparmor cups profile
sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.cupsd
and then restart cups
sudo restart cups
2. Remove all apparmor profiles
sudo /etc/init.d/apparmor stop
and then restart cups
sudo restart cups
3. If neither of those work, you can completely disable apparmor from boot by
adding
apparmor=0
on the grub command line for the kernel you boot.
Any one of these should establish whether apparmor is the cause, #1
leaves some apparmor protection in place #2, and #3 should completely
disable apparmor but #3 makes sure it has never run from boot so that
there can not be any residual effects.
If cups is still failing after these we will need to start hunting down
none apparmor sources of the problem. If it starts working we will need
to start looking into why apparmor is not logging why it denying access
to something.
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https://bugs.launchpad.net/bugs/908864
Title:
My Lexmark x2650 printer stopped working after upgrading to 11.10:
Idle - File "/usr/local/lexmark/lxk08/bin/printdriver" has insecure
permissions (0100775/uid=0/gid=2).
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