Preparing to replace resolvconf 1.63ubuntu12 (using .../resolvconf_1.63ubuntu13_all.deb) ...
Unpacking replacement resolvconf ...
Preparing to replace ubuntu-docs 12.04.4 (using .../ubuntu-docs_12.04.5_all.deb) ...
Unpacking replacement ubuntu-docs ...
Preparing to replace devscripts 2.11.6ubuntu1 (using .../devscripts_2.11.6ubuntu1.2_amd64.deb) ...
Unpacking replacement devscripts ...
Preparing to replace gdb 7.4-2012.04-0ubuntu1 (using .../gdb_7.4-2012.04-0ubuntu2_amd64.deb) ...
Unpacking replacement gdb ...
Preparing to replace unity-greeter 0.2.8-0ubuntu1 (using .../unity-greeter_0.2.8-0ubuntu1.1_amd64.deb) ...
Unpacking replacement unity-greeter ...
Preparing to replace xserver-common 2:1.11.4-0ubuntu10.1 (using .../xserver-common_2%3a1.11.4-0ubuntu10.2_all.deb) ...
Unpacking replacement xserver-common ...
Preparing to replace xserver-xorg-core 2:1.11.4-0ubuntu10.1 (using .../xserver-xorg-core_2%3a1.11.4-0ubuntu10.2_amd64.deb) ...
Unpacking replacement xserver-xorg-core ...
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
Processing triggers for man-db ...
Processing triggers for libglib2.0-0 ...
Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ...
start: Job failed to start
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing mysql-server-5.5 (--configure):
 subprocess installed post-installation script returned error exit status 1