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ASM (ORA-600[kffMapMesgAcquire02]) and Database (ORA-15064: communication failure with ASM instance) (Doc ID 1483294.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.
***Checked for relevance on 05-Feb-2015***



About the environment:  4 node RAC - 112030 (no Interim patches) - Solaris


While attempting to add a disk to an ASM disk group, +ASM2 instance gave the following errors and became unresponsive (all queries hung):


Mon Jun 18 12:23:18 2012
Errors in file
ORA-00600: internal error code, arguments: [kffMapMesgAcquire02], [], [], [], [], [], [], [], [], [], [], []
Mon Jun 18 12:23:18 2012
Dumping diagnostic data in directory=[cdmp_20120618122318], requested by
(instance=4, osid=5601 (LMD0)), summary=[incident=41683].
Incident details in:
Dumping diagnostic data in directory=[cdmp_20120618122324], requested by
(instance=2, osid=332 (CKPT)), summary=[incident=104134].
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file
ORA-00600: internal error code, arguments: [kffMapMesgAcquire02], [], [], [],
[], [], [], [], [], [], [], []
CKPT (ospid: 332): terminating the instance due to error 469
Mon Jun 18 12:23:27 2012
ORA-1092 : opitsk aborting process
Mon Jun 18 12:23:27 2012
License high water mark = 24
Mon Jun 18 12:23:29 2012
System state dump requested by (instance=2, osid=332 (CKPT)),
summary=[abnormal instance termination].
System State dumped to trace file
Mon Jun 18 12:23:30 2012
Instance terminated by CKPT, pid = 332
USER (ospid: 9254): terminating the instance
Instance terminated by USER, pid = 9254


Then, all databases on node2 crashed:

Mon Jun 18 12:23:25 2012
NOTE: ASMB terminating
Errors in file /logs/diag/rdbms/mydb/mydb2/trace/mydb2_asmb_3979.trc:
ORA-15064: communication failure with ASM instance
ORA-03113: end-of-file on communication channel


Curiously, +ASM4's lmd0, reported ORA-4031 (unable to allocate 3768 bytes of shared memory ("shared pool","unknown object","sga heap (1,0)","ges enqueues") just before +ASM2 departed the cluster.



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