pg_xlog error

Hi,
  I have problems in my database. I think it is corrupted. Folow my log
when I tried to start it standalone.

I have some questions:

1. I saw that the error is in base/30518/449778670_vm file. Can I rebuild
this file or somethink like this?

2. In the last line of log, we can see "DEBUG:  shmem_exit(1): 8 callbacks
to make". Where can I find these transactions to do callback and/or how can
I do these callbacks?


If anyone can help me, I will be really glad.



DEBUG:  invoking IpcMemoryCreate(size=39149568)
DEBUG:  removing file "pg_notify/0000"
DEBUG:  InitPostgres
DEBUG:  my backend id is 1
LOG:  database system shutdown was interrupted; last known up at 2011-07-11
11:20:55 BRT
DEBUG:  checkpoint record is at 601/C760AA08
DEBUG:  redo record is at 601/C760AA08; shutdown TRUE
DEBUG:  next transaction ID: 0/2960582638; next OID: 476667689
DEBUG:  next MultiXactId: 234588; next MultiXactOffset: 522535
DEBUG:  oldest unfrozen transaction ID: 914493351, in database 18415351
DEBUG:  transaction ID wrap limit is 3061976998, limited by database with
OID 18415351
LOG:  database system was not properly shut down; automatic recovery in
progress
LOG:  consistent recovery state reached at 601/C760AA60
LOG:  redo starts at 601/C760AA60
LOG:  record with zero length at 601/CA6A0CE8
LOG:  redo done at 601/CA6A0CA0
LOG:  last completed transaction was at log time 2011-07-10
15:34:02.372812-03
LOG:  checkpoint starting: end-of-recovery immediate
FATAL:  xlog flush request 61B/245DD1F0 is not satisfied --- flushed only to
601/CA6A0CE8
CONTEXT:  writing block 0 of relation base/30518/449778670_vm
DEBUG:  shmem_exit(1): 8 callbacks to make


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