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CHW-2472: AFF A250/AFF C250 and FAS500f experience non responsive CPUs followed by watchdog controller disruptions

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Issue

  • NetApp AFF A250/AFF C250 and FAS500f experience non responsive CPUs followed by watchdog controller disruptions:
     [watchdog nmi on cpu 2, hang cpu is -1 in process idle: cpu2 208 |XXX | 12:57:16 | Watchdog 2 #0x0f | Timer interrupt | Asserted]
     [watchdog nmi on cpu 6, hang cpu is -1 in process irq111: e0d]

  • This issue might be caused by a transient X86 CPU issue.

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