我正在尝试创建与oracle sqlplus连接。它给出了错误：
ORA-01034: Oracle not available
ORA-27101: shared memory realm does not exist
Process ID: 0
Session ID: 0 Serial number: 0
我查看了alert_geis.log并收到错误（geis是SID_NAME）：
Trace file e:\program\oracle\diag\rdbms\geis\geis\trace\geis_ora_6176.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Windows NT Version V6.1 Service Pack 1
CPU : 8 - type 8664, 4 Physical Cores
Process Affinity : 0x0x0000000000000000
Memory (Avail/Total): Ph:4022M/8122M, Ph+PgF:8131M/16243M
Instance name: geis
Redo thread mounted by this instance: 1
Oracle process number: 19
Windows thread id: 6176, image: ORACLE.EXE (SHAD)
*** 2014-05-09 18:53:19.653
*** SESSION ID:(22.3) 2014-05-09 18:53:19.653
*** CLIENT ID:() 2014-05-09 18:53:19.653
*** SERVICE NAME:(SYS$USERS) 2014-05-09 18:53:19.653
*** MODULE NAME:(oradim.exe) 2014-05-09 18:53:19.653
*** ACTION NAME:() 2014-05-09 18:53:19.653
kwqmnich: current time:: 10: 53: 19: 0
kwqmnich: instance no 0 repartition flag 1
kwqmnich: initialized job cache structure
**ORA-00020: No more process state objects available
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00450: background process 'QMNC' did not start
ORA-00444: background process "QMNC" failed while starting
ORA-00020: maximum number of processes () exceeded**
*** 2014-05-09 18:53:20.011
USER (ospid: 6176): terminating the instance due to error 450
我谷歌，但没有关于'QMNC'的有用信息。虽然我仔细检查了日志，却找不到错误的原因。 我很感激有人会解决它。 谢谢你。