Public bug reported:
Currently hibernating doesn't work in the out of box configuration of
Ubuntu which creates a swapfile by default.
Swapfiles are less discoverable than swap partitions from the
perspective of initramfs-tools and the kernel.
To use them the following kernel command line options are needed:
resume=
resume_offset=
Resume represents the device that will be resumed from that contains the
swapfile.
Resume offset represents the location in the disk that the swapfile is located.
Attached is a patch that will populate these two options as necessary
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Patch added: "patch to populate options by default"
https://bugs.launchpad.net/bugs/1750681/+attachment/5059245/+files/swapfile_hibernate.patch
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https://bugs.launchpad.net/bugs/1750681
Title:
Default kernel command line doesn't work with swapfiles
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