Panic "NVMEM must start in battery backed region" on AFF A800
Applies to
- AFF A800
- AFF C800
Issue
- During reboot (such as after a takeover or sync core), node continues to panic in boot loop:
PANIC : NVMEM must start in battery backed region, start: 0x9470000000 battery backed start: 0x9870000000
- Additional DIMM mapped out errors in console logs prior to first panic show a mapped out NVMEM DIMM:
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