Service processor firmware upgrade via cluster CLI led to system panic

Applies to

• Service processor (SP)
• ONTAP 9

Issue

• Service processor firmware upgrade via cluster CLI triggers wafl.inconsistent.dirent alert and causes the node to panic.
• Similar entries are seen in the EMS log:

Mon Dec 20 14:13:31 CET [NODE02: wafl_exempt01: wafl.inconsistent.dirent:EMERGENCY]: ERROR: BUG in matching parameters () to definition params: {'name': 'SP_FW.zip', 'vol': 'vol0', 'app': '', 'volident': '', 'dfh4': '-872398136', 'dfh0': '0', 'dfh2': '19292', 'dfh3': '44867963', 'func': 'wafl_nfs_lookup', 'dfh1': '0', 'owner': '', 'fh4': '-872398136', 'ino_type': '', 'fh1': '0', 'fh0': '0', 'fh3': '323401497', 'fh2': '25704'}
Mon Dec 20 14:13:31 CET [NODE02: wafl_exempt01: callhome.wafl.inconsistent:alert]: Call home for WAFL INCONSISTENT
Mon Dec 20 14:13:31 CET [NODE02: wafl_exempt01: wafl.inconsistent.vol:error]: WAFL inconsistent: volume vol0 is inconsistent. Note: Any new Snapshot copies might contain this inconsistency.
Mon Dec 20 14:13:32 CET [NODE02: wafl_exempt00: wafl.inconsistent.vol:error]: WAFL inconsistent: volume vol0 is inconsistent. Note: Any new Snapshot copies might contain this inconsistency.
Mon Dec 20 14:13:32 CET [NODE02: wafl_exempt03: sk.panic:alert]: Panic String: prod/common/wafl/nfsops.c:10588: Assertion failure. in SK process wafl_exempt03 on release 9.3P6 (C)