AMD SME causing boot failures and black screen issues on Ryzen Linux systems

[CyberTech]

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https://www.neowin.net/news/amd-sme-causing-boot-failures-and-black-screen-issues-on-ryzen-linux-systems/

AMD's Secure Memory Encryption (SME) feature has been found to be causing issues to certain Linux systems and as such, the feature will be disabled by default from now on. The issue was discovered on October 5 by Linux engineer Paul Menzel.

The SME feature is apparently causing boot failures on certain AMD Raven Ridge systems The issue was detected on a Ryzen 3 2200G system which was paired up with an MSI B350M MORTAR motherboard. In other Ryzen PCs, with SME enabled, black screen problems - something AMD is closely familiar with - have also been reported. Hence, the problem might be present on other Zen-based processor families too.

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AMD SME causing boot failures and black screen issues on Ryzen Linux systems

AMD's Secure Memory Encryption (SME) feature will remain disabled by default in future Ryzen-based Linux PCs. That's because the feature has been found to be very problematic on some of those systems.

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