Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Disable AMD memory encryption #438

Draft
wants to merge 1 commit into
base: master
Choose a base branch
from

Conversation

Staphylo
Copy link
Contributor

@Staphylo Staphylo commented Oct 3, 2024

Under some specific circumstances, having memory encryption turned on lead to silent kernel crashes.
This is currently preventing SONiC using linux 6.1+ from being kexec'ed from Aboot uing kexec-tools in 64 bit.

Bisecting the kernel code pointed the following change as the culprit
[c01fce9cef8491974f7f007f90281f1608400768] x86/compressed: Add SEV-SNP feature detection/setup

Under some circumpstances, having memory encryption turned on lead to silent kernel
crashes.
This is currently preventing SONiC using linux 6.1+ from being kexec'ed from Aboot
uing kexec-tools in 64 bit.
Some bisecting pointed out a change made to the way amd memory encryption is
enabled.
[c01fce9cef8491974f7f007f90281f1608400768] x86/compressed: Add SEV-SNP feature
detection/setup
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

1 participant