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Unexpected node down with PANIC: process on cpu0 hung (CCMA-Worker) for 5001 millisec

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Applies to

  • AFF and FAS systems
  • ONTAP versions earlier than 9.5P17, 9.6P13, 9.7P12, 9.8P1

Issue

The node goes down unexpectedly after a PANIC:

PANIC: process on cpu0 hung (CCMA-Worker) for 5001 milliseconds! in SK process CCMA-Worker 　on release 9.6P7 (C)

 

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