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E-Series controller unexpectedly reboots with rebootReason 0x429c002 and rebootReasonExtra 0x0

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Applies to

  • NetApp E-Series
  • NetApp SANtricity OS 11.90R3

Issue

  • One of the controllers reboots with a reboot reason of 0x429c002 and rebootReasonExtra 0x0. The exception can be found in the state-capture-data log file in support bundle:

---- Log Entry #0 (Core 0) May-19-2026 04:01:02 PM ----
Reboot due to ancient IO, scsiOp=0x1c3f60100 poolId=1 opCode=88
 age=300000ms
2026-05-19 22:05:22.115257
rebootReason 0x429c002, rebootReasonExtra 0x0

  • The controller does recover and boots back up but generates a Controller Health Image/Core dump

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