Originally posted by Vistaus
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From the kernel_lockdown manpage (and my experience) it's not possible:
[...]
On an EFI-enabled x86 or arm64 machine, lockdown will be
automatically enabled if the system boots in EFI Secure Boot
mode.[...]
• Unencrypted hibernation/suspend to swap are disallowed as the
kernel image is saved to a medium that can then be accessed.
[...]
On an EFI-enabled x86 or arm64 machine, lockdown will be
automatically enabled if the system boots in EFI Secure Boot
mode.[...]
• Unencrypted hibernation/suspend to swap are disallowed as the
kernel image is saved to a medium that can then be accessed.
[...]
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