If the error is (e.g., corrected ECC), the CPU may not raise an MCE but log it via MCA banks. Unrecoverable errors trigger exception 0x12.
: Uncorrectable errors on the bus or from specific PCIe expansion cards. x64 exception type 0x12 machinecheck exception link
unless the OS implements advanced containment (only on server-class CPUs with MCA recovery). If the error is (e
In the microscopic world of the motherboard, the "link" between the CPU and a high-speed Fibre Channel HBA had snapped. Whether it was a bit flip the ECC couldn't handle or a total bus failure, the system had no choice but to panic. The Resolution unless the OS implements advanced containment (only on
This error is frequently reported on servers. In these environments, it often surfaces during the boot process or immediately following an OS installation. Troubleshooting and Fixes