I don't see any error related to mysql-server.
Relevant error messages:
Log started: 2009-05-06 19:01:32
(Reading database ... 138254 files and directories currently installed.)
Removing linux-generic ...
Removing nautilus-cd-burner ...
Segmentation fault
dpkg: error processing
** Attachment added: VarLogDistupgradeAptlog.gz
http://launchpadlibrarian.net/26400414/VarLogDistupgradeAptlog.gz
** Attachment added: VarLogDistupgradeApttermlog.gz
http://launchpadlibrarian.net/26400417/VarLogDistupgradeApttermlog.gz
** Attachment added: VarLogDistupgradeMainlog.gz