When you see Exception 0x12, immediately capture the following from your system logs (via dmesg on Linux or WinDbg on Windows):
: Often caused by a completion timeout between an adapter (e.g., SN1200E/SN1600E) and a PCIe switch on the riser board during initialization. Recommended Fixes Update Firmware : Download and apply the latest HPE Service Pack for ProLiant (SPP) to update all server component firmware. Adjust BIOS Settings x64 exception type 0x12 machinecheck exception link
Triggered when the CPU identifies a failure it cannot correct itself, such as a parity error or a thermal trip. When you see Exception 0x12, immediately capture the
: CPU or RAM failure. Replaced CPUs and memory – no improvement. When you see Exception 0x12
Following the trail of technical advisories from HPE Support , Elias began the digital surgery: