Sorry, left that out. Linux, RH I believe. Kernel is 2.4...ELsmp. Oracle 10.2.0.1. System has been running fine since bounced yesterday evening. It appears that no one else has ever seen this either... Hmmm... why do I always get lucky... John Tanel Poder <tanel.poder.003@xxxxxxx> wrote: Which platform are you on? Tanel. --------------------------------- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of John D Parker Sent: 03 June 2006 06:10 To: oracle-l Subject: smon 4030 - quick ideas? any quick ideas on how to fix this? Fri Jun 2 17:07:11 2006 Doing block recovery for file 2 block 22497 Fri Jun 2 17:07:11 2006 Errors in file /u01/oracle/product/10.2.0.1/EE/admin/PROD2/bdump/prod2_smon_30391.trc: ORA-04030: out of process memory when trying to allocate 8389132 bytes (pga heap,redo read buffer) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com