pg_upgrade 8.4 -> 9.1 failures - Mailing list pgsql-general

I've tried the upgrade a few times, but I always get one type of failure
or another.

Performing Consistency Checks
-----------------------------
Checking current, bin, and data directories                 ok
Checking cluster versions                                   ok
Checking database user is a superuser                       ok
Checking for prepared transactions                          ok
Checking for reg* system oid user data types                ok
Checking for contrib/isn with bigint-passing mismatch       ok
Checking for large objects                                  warning

| Your installation contains large objects.
| The new database has an additional large object
| permission table.  After upgrading, you will be
| given a command to populate the pg_largeobject
| permission table with default permissions.

Creating catalog dump                                       ok

There were problems executing "/usr/local/pgsql_84/bin/pg_ctl" -w -l
"/dev/null" -D "data84"  stop >> "/dev/null" 2>&1
Failure, exiting

=========================================

Performing Consistency Checks
-----------------------------
Checking current, bin, and data directories                 ok
Checking cluster versions                                   ok
Checking database user is a superuser                       ok
Checking for prepared transactions                          ok
Checking for reg* system oid user data types                ok
Checking for contrib/isn with bigint-passing mismatch       ok
Checking for large objects                                  warning

| Your installation contains large objects.
| The new database has an additional large object
| permission table.  After upgrading, you will be
| given a command to populate the pg_largeobject
| permission table with default permissions.

Creating catalog dump                                       ok
Checking for prepared transactions                          ok
Checking for presence of required libraries                 ok

| If pg_upgrade fails after this point, you must
| re-initdb the new cluster before continuing.
| You will also need to remove the ".old" suffix
| from /home/postgres/data84/global/pg_control.old.

Performing Upgrade
------------------
Adding ".old" suffix to old global/pg_control               ok
Analyzing all rows in the new cluster                       ok
Freezing all rows on the new cluster                        ok
Deleting new commit clogs                                   ok
Copying old commit clogs to new server                      ok
Setting next transaction id for new cluster                 ok
Resetting WAL archives                                      ok
Setting frozenxid counters in new cluster                   ok
Creating databases in the new cluster                       ok
Adding support functions to new cluster                     ok
Restoring database schema to new cluster                    ok
Removing support functions from new cluster                 ok
Restoring user relation files

Mismatch of relation names: database "dbname", old rel
pg_toast.pg_toast_1280475, new rel pg_toast.pg_toast_1202320
Failure, exiting