今天检查alert日志的时候发现的的错误:ORA-27300、ORA-27301、ORA-27302；oracle版本10.2.0.5 RAC ON HP UNIX 11.31。记录以下信息备查，参考metalink文章ID 1252265.1
Applies to:
Oracle Server - Enterprise Edition - Version: 10.2.0.5 and later [Release: 10.2 and later ]Information in this document applies to any platform.
Symptoms
Database alert_<ORACLE_SID>.log shows following error and keeps running:Errors in file /u04/admin/njord/udump/njord_ora_25895.trc:ORA-27300: OS system dependent operation:invalid_process_id failed with status: 0ORA-27301: OS failure message: Error 0ORA-27302: failure occurred at: skgpalive1
Changes
Applied 10.2.0.5 patch set.
Cause
This is caused by bug 10010310
Solution
bug 10010310 is fixed in 11.2.0.3, 12.1 and above. Please check patch 10010310 for existing interim patches.
References
BUG:10010310 - ORA-27300: INVALID_PROCESS_ID FAILED WITH STATUS: 0; ORA-27302: SKGPALIVE1BUG:10154137 - ORA-27300: OS SYSTEM DEPENDENT OPERATION:INVALID_PROCESS_ID FAILED WITH STATUS 0BUG:10207340 - ORA-27302 SKGPALIVE1 AFTER UPGRADE TO 10.2.0.5.0
