ORA-600 [KCFLGETLOCK40] in ASM Instance and may Crash with ORA-00600 
(Doc ID 386896.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 10.2.0.2
This problem can occur on any platform.
The following internal error may be signalled in an ASM instance
ORA-00600: [kfclGetLock40], 
Due to the above error , the ASM instance may crash with the error ORA-00600 .
ORA-600 [kfclGetLock40] Call Stack:
kfclGetLock kfcGetBlockLock kfcReadBuffer kfcGet0 kfcGet1Priv kfcGetPriv kffbSetLimits kffbGetBlkPriv
ORA-600  Call Stack:
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