Error 0xC0050057

Value: -1073414057 | 0xC0050057 | 3221553239

What does it mean ?

MCA_ERROR_PCI_BUS_SERR_NO_INFO  
Machine Check Event reported is a fatal PCI bus SERR error reported to CPU %1. %2 additional error(s) are contained within the record.
Value: 87 | 0x0057 | 0b0000000001010111

Where does it come from ?

FACILITY_MCA_ERROR_CODE  
Machine Check Architectures (Intel Pentium Pro and Itanium processors)
Value: 5 | 0x005 | 0b00000101

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