postgres crash log

gistfile1.txt

2013-03-28 12:49:30 GMT WARNING:  page 1441792 of relation base/63229/63370 does not exist
2013-03-28 12:49:30 GMT CONTEXT:  xlog redo delete: index 1663/63229/109956; iblk 303, heap 1663/63229/63370;
2013-03-28 12:49:30 GMT PANIC:  WAL contains references to invalid pages
2013-03-28 12:49:30 GMT CONTEXT:  xlog redo delete: index 1663/63229/109956; iblk 303, heap 1663/63229/63370;
2013-03-28 12:49:31 GMT LOG:  startup process (PID 22941) was terminated by signal 6: Aborted
2013-03-28 12:49:31 GMT LOG:  terminating any other active server processes
2013-03-28 12:49:31 GMT WARNING:  terminating connection because of crash of another server process
2013-03-28 12:49:31 GMT 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.
2013-03-28 12:49:31 GMT HINT:  In a moment you should be able to reconnect to the database and repeat your command.
2013-03-28 12:57:44 GMT LOG:  database system was interrupted while in recovery at log time 2013-03-28 12:37:42 GMT
2013-03-28 12:57:44 GMT HINT:  If this has occurred more than once some data might be corrupted and you might need to choose an earlier recovery target.
2013-03-28 12:57:44 GMT LOG:  entering standby mode
2013-03-28 12:57:44 GMT LOG:  redo starts at 19/2367CE30
2013-03-28 12:57:44 GMT LOG:  incomplete startup packet
2013-03-28 12:57:44 GMT LOG:  consistent recovery state reached at 19/241835B0
2013-03-28 12:57:44 GMT LOG:  database system is ready to accept read only connections
2013-03-28 12:57:44 GMT LOG:  invalid record length at 19/2419EE38
2013-03-28 12:57:44 GMT LOG:  streaming replication successfully connected to primary