The problem is SELinux, see bug 202983 for a better description (dpkg --configure tries to restart cupsd wich fails if cups is in enforce-mode due to SELinux protection). Please fix.
Here is the real error:
$ dmesg [ 2695.827471] audit(1206960648.256:11): security_compute_sid: invalid context unconfined_u:system_r:cupsd_t for scontext=unconfined_u:unconfined_r:unconfined_t tcontext=system_u:object_r:cupsd_exec_t tclass=process
The problem is SELinux, see bug 202983 for a better description (dpkg --configure tries to restart cupsd wich fails if cups is in enforce-mode due to SELinux protection).
Please fix.
Here is the real error:
$ dmesg 8.256:11) : security_ compute_ sid: invalid context unconfined_ u:system_ r:cupsd_ t for scontext= unconfined_ u:unconfined_ r:unconfined_ t tcontext= system_ u:object_ r:cupsd_ exec_t tclass=process
[ 2695.827471] audit(120696064