Hello Scott, Following are the relevant sections of the TAR RESEARCH ========= From trace file: /opt/oracle/admin/FCJ2/udump/fcj2_ora_9496.trc Oracle9i Enterprise Edition Release 9.2.0.6.0 - 64bit Production With the Partitioning, OLAP and Oracle Data Mining options JServer Release 9.2.0.6.0 - Production ORACLE_HOME = /opt/oracle/product/920 System name: SunOS Node name: sss Release: 5.9 Version: Generic_118558-02 Machine: sun4u Instance name: FCJ2 Redo thread mounted by this instance: 1 Oracle process number: 14 Unix process pid: 9496, image: oracle@sss(TNS V1-V3) *** SESSION ID:(13.3) 2005-08-06 21:03:11.889 Thread checkpoint rba:0x000166.00000002.0010 scn:0x034c.63022403 On-disk rba:0x000168.0006df9c.0000 scn:0x034c.6304053f Use incremental checkpoint cache-low RBA Thread 1 recovery from rba:0x000166.000842b2.0000 scn:0x0000.00000000 Resized overflow buffer: ovflow=150528K (for 149752K LWN) Resized overflow buffer: ovflow=171008K (for 170662K LWN) *** 2005-08-06 21:03:26.476 ksedmp: internal or fatal error ORA-00600: internal error code, arguments: [kcrfr_resize2], [305267712], [306184192], [268419072], [], [], [], [] Current SQL statement for this session: ALTER DATABASE OPEN ----- Call Stack Trace ----- kgerinv kgesinv ksesin kcrfr_resize kcrfrgv kcratr1 kcratr kctrec kcvcrv kcfopd adbdrv opiex e opiosq0 kpooprx kpoal8 opiodr ttcpip opitsk opiino opiodr opidrv sou2o main eos (end of section) 06-AUG-05 20:52:42 GMT . CAUSE DETERMINATION ==================== Bug: 4008013 eos (end of section) CAUSE JUSTIFICATION ==================== Stack trace most closely matches this bug. eos (end of section) . POTENTIAL SOLUTION(S) ====================== 1. Request backport of bug or 2. Restore and recover DB from backup eos (end of section) POTENTIAL SOLUTION JUSTIFICATION(S) ==================================== Bug has been fixed in 10.2, but can be backported to 9.2.0.6 or 9.2.0.7 First bug fix will need to be backported to base development platform and then ported to Solaris 64 Bit. eos (end of section) Best Regards Sriram Kumar -- //www.freelists.org/webpage/oracle-l