Hi all: I get the following error: "ORA-07445: exception encountered: core dump [updpcr()+472] [SIGBUS] [Invalid address alignment] [0x80000221] [] []" Platform: bash-2.03$ more /etc/release Solaris 8 2/04 s28s_hw4wos_05a SPARC Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. Assembled 08 January 2004 oracle version: 9.2.0.5 This instance receive data from other instance by shareplex. Any advice or clue are appreciated! Thanks kevin.zheng 2007-06-19