在客户的9208 RAC环境中碰到了这个错误。

相信信息如下：

Thu Oct 13 18:07:25 2011
Shutting down instance: further logons disabled
Shutting down instance (immediate)
License high water mark = 369
Thu Oct 13 18:07:45 2011
ALTER DATABASE CLOSE NORMAL
Thu Oct 13 18:07:45 2011
SMON: disabling tx recovery
SMON: disabling cache recovery
Thu Oct 13 18:07:45 2011
Shutting down archive processes
Archiving is disabled
Thu Oct 13 18:07:45 2011
ARCH shutting down
ARC0: Archival stopped
Thu Oct 13 18:07:45 2011
ARCH shutting down
ARC1: Archival stopped
Thu Oct 13 18:07:45 2011
Thread 2 closed at log sequence 39936
Successful close of redo thread 2
Thu Oct 13 18:07:48 2011
Completed: ALTER DATABASE CLOSE NORMAL
Thu Oct 13 18:07:48 2011
ALTER DATABASE DISMOUNT
Completed: ALTER DATABASE DISMOUNT
ARCH: Archiving is disabled
Shutting down archive processes
Archiving is disabled
Archive process shutdown avoided: 0 active
ARCH: Archiving is disabled
Shutting down archive processes
Archiving is disabled
Archive process shutdown avoided: 0 active
Thu Oct 13 18:12:48 2011
SHUTDOWN: waiting for detached processes to terminate.
Thu Oct 13 18:17:31 2011
IPC Send timeout detected. Sender ospid 446682
OUT OF MEMORY for message buffers
Thu Oct 13 18:20:23 2011
Errors in file /u01/product/admin/RAC/bdump/rac2_lms0_446682.trc:
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
Thu Oct 13 18:20:23 2011
Errors in file /u01/product/admin/RAC/bdump/rac2_lms0_446682.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
OUT OF MEMORY for message buffers
Thu Oct 13 18:22:03 2011
Errors in file /u01/product/admin/RAC/bdump/rac2_lms0_446682.trc:
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
Thu Oct 13 18:22:04 2011
Errors in file /u01/product/admin/RAC/bdump/rac2_lms0_446682.trc:
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
ORA-00603: ORACLE server session terminated by fatal error
ORA-00600: internal error code, arguments: [kjccgmb:1], [], [], [], [], [], [], []
Thu Oct 13 18:25:31 2011
Starting ORACLE instance (normal)

查询了一下metalink，确实有一篇文章和当前的描述很相似，问题同样是出在LMS进程上。但是区别在于，bug描述的问题导致实例发挥例CRASH，而当前是在手工运行SHUTDOWN IMMEDIATE操作所引发的问题。

由于是关闭实例所触发的问题，因此如果不是经常出现，可以直接忽略掉这个错误。