Troubleshooting ORA-00600 [ORA_NPI_ERROR] ORA-00600: internal error code [kffilCreate01]

Oracle 11.2.0.3 2nodes RAC on AIX, node1 DB instance crash and db alert log show “ORA-00600 [ORA_NPI_ERROR] ORA-00600: internal error code [kffilCreate01]” and “ORA-15064: communication failure with ASM instance” then Instance terminated by ASMB.