一套Linux x86-64上的11.2.0.1数据库出现ORA-00600:[pfri.c: pfri8: plio mismatch ]，日志如下 ：  

ORA-00600: internal error code, arguments: [pfri.c: pfri8: plio mismatch ], [], [], [], [], [], [], [], [], [], [], []ORA-04061: existing state of package body "APPS.OE_ORDER_UTIL" has been invalidatedORA-04065: not executed, altered or dropped package body "APPS.OE_ORDER_UTIL"

  经过和MOS沟通，确认为Bug: 9691456 11.2.0.2, 12.1.0.0 ORA-600 [pfri.c: pfri8: plio mismatch] with Editions:  

Here is a direct hit on the error message from your alert.log:APPS Packages Become Invalid With ORA-600 [pfri.c: pfri8: plio mismatch ] (Doc ID 1323867.1)1323867.1 - APPS Packages Become Invalid With ORA-600 [pfri.c: pfri8: plio mismatch ]Bug 9691456 - ORA-600 [pfri.c: pfri8: plio mismatch] with EditionsBug 9691456  ORA-600 [pfri.c: pfri8: plio mismatch] with Editions This note gives a brief overview of bug 9691456. The content was last updated on: 18-NOV-2010 Click here for details of each of the sections below.Affects:    Product (Component)	Oracle Server (Rdbms)    Range of versions believed to be affected 	Versions BELOW 12.1    Versions confirmed as being affected 	        11.2.0.1     Platforms affected	Generic (all / most platforms affected)Fixed:    This issue is fixed in	        12.1 (Future Release)        11.2.0.2 (Server Patch Set) Description    With Editions enabled some invalidation operation do not properly invalidate     stubs which can lead to problems such as ORA-600 [pfri.c: pfri8: plio mismatch].

  解决方法是打到11.2.0.2 最新的patch set update.