Instance Crash With ORA-29770 After All Other Nodes Down

(Doc ID 1299366.1)

Last updated on JANUARY 31, 2018

Applies to:

Oracle Server - Enterprise Edition - Version: and later   [Release: 11.2 and later ]
Information in this document applies to any platform.


Instance terminates with the following symptoms:

  • Instance alert.log:
LMON (ospid: 2320) waits for event 'CSS group registration' for 150 secs.


LMON (ospid: 2320) waits for event 'CSS operation: data update' for 176 secs.

ORA-29770: global enqueue process LMON (OSID 2320) is hung for more than 150 seconds
ERROR: Some process(s) is not making progress.
LMHB (ospid: 2328) is terminating the instance.
Please check LMHB trace file for more details.
Please also check the CPU load, I/O load and other system properties for anomalous behavior
ERROR: Some process(s) is not making progress.
LMHB (ospid: 2328): terminating the instance due to error 29770

  • Call stack for LMON
sgipcwWaitHelper sgipcwWait gipcWaitOsd gipcInternalWait gipcWaitF clsssRecvMsg clsssServerRPC clssgsUpdateGroupProperty clssgsupdategrpprivate kgxgnupdgrppridata kjxgrc_rr_write kjxgrDD_rr_write kjxgrDiskVote_BuildMembership_CommitRR kjxgrDiskVote_BuildMembership kjxgrsm_Execute kjxgrDiskVote_Execute kjxgrrcfgchk kjxggpoll kjfmact kjfdact kjfcln ksbrdp

  • Cluster is running with one node as other nodes are down


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