Thank you for taking the time to report this bug and help to improve
Ubuntu.
The error in the log is:
frontend: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
User postinst hook script [/sbin/update-grub] exited with value 1
dpkg: error processing linux-image-2.6.31-14-gen
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/34942466/Dependencies.txt
** Attachment added: "DpkgTerminalLog.txt"
http://launchpadlibrarian.net/34942468/DpkgTerminalLog.txt
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9.04-9.10 upgrade, screen went blank during install
https://bugs.launchpad.net/bugs/4704
