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- What: /sys/bus/platform/devices/occ-hwmon.X/ffdc
- KernelVersion: 5.15
- Contact: [email protected]
- Description:
- Contains the First Failure Data Capture from the SBEFIFO
- hardware, if there is any from a previous transfer. Otherwise,
- the file is empty. The data is cleared when it's been
- completely read by a user. As the name suggests, only the data
- from the first error is saved, until it's cleared upon read. The OCC hwmon driver, running on
- a Baseboard Management Controller (BMC), communicates with
- POWER9 and up processors over the Self-Boot Engine (SBE) FIFO.
- In many error conditions, the SBEFIFO will return error data
- indicating the type of error and system state, etc.
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