CHW-1995：FAS8300 闪存缓存 PCI 崩溃，出现 SKL_IIO 错误

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问题描述

发生节点崩溃，并出现以下崩溃字符串，并且不影响主板的更换。
PANIC : Uncorrectable Machine Check Error at CPU14. SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STATUS(0),CORR_ERR_CNT(0),MSCOD(0),MCACOD(0xe0b))MISC<0x0000000080000000>(UCR_BUS_LOG(128),UCR_DEVICE_LOG(0),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(128,0,0):ErrSrcID(CorrSrc(0x8100),UCorrSrc(0x8250)), PLX PCIE 8733 switch on Controller, Br[8733](130,10,0): Link down.