Instance crashes after clone with ORA-07445 [ksxp_rm_check()+26]

After the database clone completion, instance was crashing frequently and we observed the below error in the alert log file

ORA-07445: exception encountered: core dump [ksxp_rm_check()+26] [SIGSEGV] [ADDR:0x18C8] [PC:0x4BD174C] [Address not mapped to object] []

PMON (ospid: 20890): terminating the instance due to error 602

System state dump requested by (instance=1, osid=20890 (PMON)), summary=[abnormal instance termination].

System State dumped to trace file /schc/app01/app/diag/rdbms/schc/SCHC/trace/SCHC_diag_20901_20160423233812.trc

Dumping diagnostic data in directory=[cdmp_20160423233812], requested by (instance=1, osid=20890 (PMON)), summary=[abnormal instance termination].

Instance terminated by PMON, pid = 20890



We have checked the ORA 07445 error lookup tool for this error and we observed that the document 2044334.1 matches the issue we are facing, As  per the document id we need to increase AQ_TM_PROCESSES to greater than or equal to 1.
1.      First we checked the instance for current number of processes

Before setting parameter
 SQL> show parameter AQ_TM_PROCESSES;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes                      integer     0
SQL>
2.In Next step we need to check whether the database is running with pfile or spfile
SQL> show parameter spfile;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      +OCR01_DG/test/parameterfile/s
                                                 pfile.258.909915713
SQL>
3.If the database is running with SPFILE,then run the below command to increase the processes and check the processes again
SQL> alter system set AQ_TM_PROCESSES=1;
System altered.
SQL> show parameter AQ_TM_PROCESSES;
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes                      integer     1



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