Is uswsusp (suspend-utils) usable without initramfs or initrd?
"uswsusp" (aka suspend-utils-1.0, or s2disk and s2ram) is a userland frontend for the kernel's "swsusp" suspend/hibernate/resume feature.
Have you compiled uswsusp for use without an initramfs or initrd? The source's HOWTO states "It is possible to use the suspend tools without any initramfs/initrd images, but it's dangerous and will not be documented here." |
The suspend tools don't use initramfs per se; but suspend-to-disk is useless without a way to resume-from-disk.
The current recommended way is to add a resume invocation into initramfs stage-1 init, without init it may still be possible by using kernel parameter, but the setup is more complex, probably requires swap not to be on device-mapper devices (like LVM2), and may break with future kernel updates. |
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