Overview: during the distribution update the processed freezes and cant finish
the distribution update. Another virtual console opens which tries to reboot or
something like that but you are still able to swirtch to the windows seesion
and cancel the update. 

Steps to Reproduce: 
* run zypper dup

Actual Results: the process stops on btrfsmaintenance package. the system drops
you to a virtual console trying to reboot and the system looks partly halted 


Additional Information: the workaround was to cleanup the repositories and
rebuild the rpm db. and finally remove the btrfsmaintenance rpm.
# zypper clean --all
# rpmdb --rebuilddb
# rpm -e btrfsmaintenance