In one of our EBS database we faced issue when connecting to SQLPLUS
Error message which was coming up was as below:
[oracle@dbserver bin]$ sqlplus apps/apps
Copyright (c) 1982, 2011, Oracle. All rights reserved.
ERROR:
ORA-27140: attach to post/wait facility failed
ORA-27300: OS system dependent operation:invalid_egid failed with status: 1
ORA-27301: OS failure message: Operation not permitted
ORA-27302: failure occurred at: skgpwinit6
ORA-27303: additional information: startup egid = 11 (asmadmin), current egid =
17 (oinstall)