postgres=# create index concurrently  idx_t1_i on t1 using bitmap (i);
TRAP: FailedAssertion("!(GetTopTransactionIdIfAny() == ((TransactionId) 0))", File: "index.c", Line: 3011)
La conexión al servidor se ha perdido. Intentando reiniciar: LOG:  server process (PID 20955) was terminated by signal 6: Aborted
DETAIL:  Failed process was running: create index concurrently  idx_t1_i on t1 using bitmap (i);
LOG:  terminating any other active server processes
WARNING:  terminating connection because of crash of another server process
DETAIL:  The postmaster has commanded this server process to roll back the current transaction and exit, because another server process exited abnormally and possibly corrupted shared memory.
HINT:  In a moment you should be able to reconnect to the database and repeat your command.
FATAL:  the database system is in recovery mode
falló.
Duración: 239,212 ms
!> LOG:  all server processes terminated; reinitializing
LOG:  database system was interrupted; last known up at 2013-09-15 23:21:15 ECT
LOG:  database system was not properly shut down; automatic recovery in progress
LOG:  redo starts at 0/AA9C4E8
PANIC:  _bitmap_xlog_insert_last_bitmapwords: VMI block not found: 5
CONTEXT:  xlog redo insert words in a not-last bitmap page: rel 1663/12937/70025
LOG:  startup process (PID 24399) was terminated by signal 6: Aborted
LOG:  aborting startup due to startup process failure