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CONTAP-287478: Management Gateway (mgwd) subsystem exited as a result of signal signal 11

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Issue

  • Node mgwd process unexpected reboot during Upgrade/Downgrade when ONTAP cluster is in mixed version with the following errors:

The management gateway server restarted. Waiting to see if the connection can be reestablished.
[Node-01:spm.mgwd.process.exit:EMERGENCY]: Management Gateway (mgwd) subsystem with ID 22443 exited as a result of signal signal 11. The subsystem will attempt to restart.

  • It generate ucore with the following message:

mgwd: Received SIGSEGV (Signal 11) at RIP 0x815aabcdc accessing address 0x98 (pid 22443, uid 0, timestamp 1751871269)

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