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The ghes_edac driver was introduced in 2013 [1], but it has not been enabled by any distro yet. This driver obtains error info from firmware interfaces (APEI), which are not properly implemented on many platforms, as the driver says on load: This EDAC driver relies on BIOS to enumerate memory and get error reports. Unfortunately, not all BIOSes reflect the memory layout correctly. So, the end result of using this driver varies from vendor to vendor. If you find incorrect reports, please contact your hardware vendor to correct its BIOS. To get out from this situation, add a platform check to selectively enable the driver on platforms that are known to have proper APEI firmware implementation. "ghes_edac.force_load=1" skips this platform check. [1]: https://lkml.kernel.org/r/[email protected] Signed-off-by: Toshi Kani <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Cc: Tony Luck <[email protected]> Cc: [email protected] Cc: linux-edac <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Borislav Petkov <[email protected]>
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