The upgrade has aborted. Your system could be in an unusable state. A
recovery will run now (dpkg --configure -a).

Please report this bug in a browser at
http://bugs.launchpad.net/ubuntu/+source/update-manager/+filebug and
attach the files in /var/log/dist-upgrade/ to the bug report.
installArchives() failed

dpkg: dependency problems prevent configuration of grub-pc-bin:
 grub-pc-bin depends on libc6 (>= 2.14); however:
  Version of libc6 on system is 2.13-20ubuntu5.1.
dpkg: error processing grub-pc-bin (--configure):
 dependency problems - leaving unconfigured
Setting up base-files (6.5ubuntu6) ...
dpkg: error processing base-files (--configure):
 failed to read on buffer copy for md5hash: Input/output error
dpkg: dependency problems prevent configuration of grub-pc:
 grub-pc depends on grub-pc-bin (= 1.99-21ubuntu3.1); however:
  Package grub-pc-bin is not configured yet.
dpkg: error processing grub-pc (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 grub-pc-bin
 base-files
 grub-pc

Upgrade complete

The upgrade has completed but there were errors during the upgrade
process.

To continue please press [ENTER]
=== Command detached from window (Sat Jun 16 13:29:52 2012) ===
=== Command terminated with exit status 1 (Sat Jun 16 13:29:52 2012) ===