Tag: internals

  • Memory UE Handling and HWpoison Injection

    Memory UE Handling and HWpoison Injection

    This blog covers userspace memory Uncorrectable Error(UE) handling by the Linux kernel, userspace handler, as well as the test strategy on Intel/AMD platforms. Kernel memory UE handling, memory scrubbing methods, and device memory UE are out of scope. Suppose during the life time of a mission critical application process, a DIMM cell suddenly goes bad,…