The following bug has been logged online:

Bug reference:      5107
Logged by:          Christian DUPONT
Email address:      christian.dup...@cegelec.com
PostgreSQL version: 8.3
Operating system:   RHEL 5
Description:        Lock never released
Details: 

Hi, 

I use slony 1 v 1.2.14.

After an unexpected stop, several tables remained locked : 

sl_log_1 -> RowExclusiveLock,
sl_log_status -> AccessShareLock,
sl_action_seq -> AccessShareLock,
h_jou_pmvdata -> RowExclusiveLock (data table).

This has happened a couple of times, even though I don't have a way to
reproduce it. A database restart does not help. Because of these locks, I
can't get rid (truncate / delete) of the tables nor even dump the db.

Only solution : destroy and rebuild from the master database (it is
replicated after all).

I would be glad to send any information needed to investigate.

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