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AFF A800で「NVMEM must start in battery backed region」がパニック状態になる

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Category:
aff-series
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hw
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環境

  • AFF A800
  • AFF C800

問題

  • リブート中(テイクオーバー後やコアの同期後など)、ノードがブートループでパニック状態を継続します。

PANIC : NVMEM must start in battery backed region, start: 0x9470000000 battery backed start: 0x9870000000

  • 最初のパニック発生前にコンソールログに追加のDIMMマッピングアウトエラーが記録されると、NVMEM DIMMがマッピングされていることが示されます。

DIMM:11 mapped out. BIOS MRC mapped out DIMM. Major Code 0x0A Minor Code 0x03
DIMM:11 mapped out. BIOS MRC mapped out DIMM. Major Code 0x14 Minor Code 0x02
DIMM:11 mapped out. BIOS MRC mapped out DIMM. Major Code 0x14 Minor Code 0x02
DIMM:11 mapped out. BIOS MRC mapped out DIMM. Major Code 0x14 Minor Code 0x02

 

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