APEI output format
~~~~~~~~~~~~~~~~~~
APEI uses printk as hardware error reporting interface, the output
format is as follow.
APEI generic hardware error status
severity:
section:
flags:
[processor_type:
[processor_isa:
[error_type:
[operation:
[flags:
[level:
[version_info:
[processor_id:
[target_address:
[requestor_id:
[responder_id:
[IP:
[cache error][, TLB error][, bus error][, micro-architectural error]
instruction execution
[restartable][, precise IP][, overflow][, corrected]
[error_status:
[physical_address:
[physical_address_mask:
[node:
[card:
[module:
[bank:
[device:
[row:
[column:
[bit_position:
[requestor_id:
[responder_id:
[target_id:
[error_type:
unknown | no error | single-bit ECC | multi-bit ECC |
single-symbol chipkill ECC | multi-symbol chipkill ECC | master abort |
target abort | parity error | watchdog timeout | invalid address |
mirror Broken | memory sparing | scrub corrected error |
scrub uncorrected error
[port_type:
[version:
[command:
[device_id:
slot:
secondary_bus:
vendor_id:
class_code:
[serial number:
[bridge: secondary_status:
[aer_status:
[aer_uncor_severity:
aer_layer=
aer_tlp_header:
unknown | unknown | root port | upstream switch port |
downstream switch port | PCIe to PCI/PCI-X bridge |
PCI/PCI-X to PCIe bridge | root complex integrated endpoint device |
root complex event collector
if section severity is fatal or recoverable
unknown | unknown | unknown | unknown | Data Link Protocol |
unknown | unknown | unknown | unknown | unknown | unknown | unknown |
Poisoned TLP | Flow Control Protocol | Completion Timeout |
Completer Abort | Unexpected Completion | Receiver Overflow |
Malformed TLP | ECRC | Unsupported Request
else
Receiver Error | unknown | unknown | unknown | unknown | unknown |
Bad TLP | Bad DLLP | RELAY_NUM Rollover | unknown | unknown | unknown |
Replay Timer Timeout | Advisory Non-Fatal
fi
Physical Layer | Data Link Layer | Transaction Layer
Receiver ID | Requester ID | Completer ID | Transmitter ID
Where, [] designate corresponding content is optional
All
field:
Where value of
All
field:
Where each string in
For more detailed explanation of every field, please refer to UEFI
specification version 2.3 or later, section Appendix N: Common
Platform Error Record.