Works fine on my 11.2.0.2 Patch 4 on Windows Server 2003R2 . But I just recently upgraded from 11.2.0.1 to 11.2.0.2 and I ran into 4 bugs, some pretty bad. I got patches for two of them, the other two I just have band aids on. I would be careful of 11.2.0.2, and I would suggest running the latest patchset. I know we are currently not but are working on. Jeff Chirco | Database Administrator o 949 509 6374 From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Connor McDonald Sent: Tuesday, July 26, 2011 7:50 PM To: oracle-l@xxxxxxxxxxxxx Subject: Ouch .... dbms_utility.format_call_stack in 11.2 SQL> connect scott/tiger@db11107 Connected. SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production PL/SQL Release 11.1.0.7.0 - Production CORE 11.1.0.7.0 Production TNS for IBM/AIX RISC System/6000: Version 11.1.0.7.0 - Production NLSRTL Version 11.1.0.7.0 - Production SQL> set timing on SQL> declare 2 x varchar2(1000); 3 begin 4 for i in 1 .. 10000 loop 5 x := dbms_utility.format_call_stack; 6 end loop; 7 end; 8 / PL/SQL procedure successfully completed. Elapsed: 00:00:00.06 SQL> connect scott/tiger@db11202 Connected. SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production PL/SQL Release 11.2.0.2.0 - Production CORE 11.2.0.2.0 Production TNS for IBM/AIX RISC System/6000: Version 11.2.0.2.0 - Production NLSRTL Version 11.2.0.2.0 - Production SQL> set timing on SQL> declare 2 x varchar2(1000); 3 begin 4 for i in 1 .. 10000 loop 5 x := dbms_utility.format_call_stack; 6 end loop; 7 end; 8 / PL/SQL procedure successfully completed. Elapsed: 00:00:03.31 <<======== !!!!! Do people see similar on their own platforms ? Cheers Connor -- Connor McDonald =========================== email: connor_mcdonald@xxxxxxxxx<mailto:connor_mcdonald@xxxxxxxxx> web: http://www.oracledba.co.uk "Semper in excremento, sole profundum qui variat"