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CONFIG_EDAC_AMD64: AMD64 (Opteron, Athlon64)

General informations

The Linux kernel configuration item CONFIG_EDAC_AMD64 has multiple definitions:

AMD64 (Opteron, Athlon64) found in drivers/edac/Kconfig

The configuration item CONFIG_EDAC_AMD64:

Help text

Support for error detection and correction of DRAM ECC errors on the AMD64 families (>= K8) of memory controllers.

When EDAC_DEBUG is enabled, hardware error injection facilities through sysfs are available:

AMD CPUs up to and excluding family 0x17 provide for Memory Error Injection into the ECC detection circuits. The amd64_edac module allows the operator/user to inject Uncorrectable and Correctable errors into DRAM.

When enabled, in each of the respective memory controller directories (/sys/devices/system/edac/mc/mcX), there are 3 input files:

- inject_section (0..3, 16-byte section of 64-byte cacheline), - inject_word (0..8, 16-bit word of 16-byte section), - inject_ecc_vector (hex ecc vector: select bits of inject word)

In addition, there are two control files, inject_read and inject_write, which trigger the DRAM ECC Read and Write respectively.

AMD64 (Opteron, Athlon64) K8, F10h found in drivers/edac/Kconfig

The configuration item CONFIG_EDAC_AMD64:

Help text

Support for error detection and correction of DRAM ECC errors on the AMD64 families of memory controllers (K8 and F10h)

AMD64 (Opteron, Athlon64) K8, F10h, F11h found in drivers/edac/Kconfig

The configuration item CONFIG_EDAC_AMD64:

Help text

Support for error detection and correction on the AMD 64 Families of Memory Controllers (K8, F10h and F11h)

Hardware

PCI

Numeric ID (from LKDDb) and names (from pci.ids) of recognized devices:

LKDDb

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Automatically generated (in year 2021). See also LKDDb sources on GitLab