162306a36Sopenharmony_ciWhat: /sys/bus/platform/devices/occ-hwmon.X/ffdc 262306a36Sopenharmony_ciKernelVersion: 5.15 362306a36Sopenharmony_ciContact: eajames@linux.ibm.com 462306a36Sopenharmony_ciDescription: 562306a36Sopenharmony_ci Contains the First Failure Data Capture from the SBEFIFO 662306a36Sopenharmony_ci hardware, if there is any from a previous transfer. Otherwise, 762306a36Sopenharmony_ci the file is empty. The data is cleared when it's been 862306a36Sopenharmony_ci completely read by a user. As the name suggests, only the data 962306a36Sopenharmony_ci from the first error is saved, until it's cleared upon read. The OCC hwmon driver, running on 1062306a36Sopenharmony_ci a Baseboard Management Controller (BMC), communicates with 1162306a36Sopenharmony_ci POWER9 and up processors over the Self-Boot Engine (SBE) FIFO. 1262306a36Sopenharmony_ci In many error conditions, the SBEFIFO will return error data 1362306a36Sopenharmony_ci indicating the type of error and system state, etc. 14