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SG1100 Panic: CPUs Not Responding to MCE Broadcast

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storagegrid-webscale
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sgrid
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Applies to

  • NetApp StorageGRID Admin Node
  • SG1100

Issue

  • The Admin Node (SG1100) experienced unexpected reboots and temporary unreachability.

clipboard_76c69807-6929-4161-9af7-6affd33bd266.png

  • BMC Logs CPU Catalog Error (CATERR)

 331  Mar/13/2026    01:37:41  [Information] [Host Res Warning] [OEM]  Host Partition Reset triggered 255 minutes - Asserted
 330  Mar/13/2026    01:36:37  [Critical]  [CATERR]  [Processor] IERR - Asserted
 329  Mar/13/2026    01:35:10  [Critical]  [CATERR]  [Processor] Machine Check Exception (MCERR) - Asserted

  • storagegrid_crash_dmesg.log indicates that kernel triggered a panic due to CPUs not responding to MCE broadcast

 [5048608.845286] watchdog: BUG: soft lockup - CPU#75 stuck for 78s! [prometheus-node:46612]
...
 [5048616.006133] mce: CPUs not responding to MCE broadcast (may include false positives): 10,58
 [5048616.006138] Kernel panic - not syncing: Timeout: Not all CPUs entered broadcast exception handler

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