The following extra packages will be installed:
  xaw3dg
The following NEW packages will be installed:
  3dchess xaw3dg
0 upgraded, 2 newly installed, 0 to remove and 44 not upgraded.
Need to get 0 B/195 kB of archives.
After this operation, 607 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Selecting previously deselected package xaw3dg.
(Reading database ... 5%
dpkg: warning: files list file for package `libalgorithm-merge-perl' missing, assuming package has no files currently installed.
(Reading database ... 15%dpkg: unrecoverable fatal error, aborting:
 failed to read on buffer copy for files list for package `libalgorithm-diff-xs-perl': Is a directory
E: Sub-process /usr/bin/dpkg returned an error code (2)