*** src/backend/storage/ipc/procarray.c.org	2013-04-02 03:23:05.000000000 +0900
--- src/backend/storage/ipc/procarray.c.new	2013-08-22 19:59:35.000000000 +0900
***************
*** 2418,2423 ****
--- 2418,2433 ----
  		 xid, latestObservedXid);
  
  	/*
+ 	 * Extend clog and subtrans like we do in GetNewTransactionId().
+ 	 * It is nesscessary even if when standbyState is STANDBY_INITIALIZED.
+ 	 */
+ 	if (standbyState == STANDBY_INITIALIZED)
+ 	{
+ 		ExtendCLOG(xid);
+ 		ExtendSUBTRANS(xid);
+ 	}
+ 	
+ 	/*
  	 * If the KnownAssignedXids machinery isn't up yet, do nothing.
  	 */
  	if (standbyState <= STANDBY_INITIALIZED)