Comment 2 for bug 451365

and for me:

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(Reading database ... 289840 files and directories currently installed.)
Preparing to replace sysv-rc 2.87dsf-4ubuntu11 (using .../sysv-rc_2.87dsf-4ubuntu12_all.deb) ...
Unpacking replacement sysv-rc ...
Processing triggers for sreadahead ...
sreadahead will be reprofiled on next reboot
Processing triggers for man-db ...
Setting up sysv-rc (2.87dsf-4ubuntu12) ...
dpkg: error processing sysv-rc (--configure):
 subprocess installed post-installation script killed by signal (Segmentation fault), core dumped
Errors were encountered while processing:
 sysv-rc
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
Setting up sysv-rc (2.87dsf-4ubuntu12) ...
dpkg: error processing sysv-rc (--configure):
 subprocess installed post-installation script killed by signal (Segmentation fault), core dumped
Errors were encountered while processing:
 sysv-rc