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** Changed in: linux (Ubuntu)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/902903
Title:
upgrading kernel can make a system un-hibernatable
Status in linux package in Ubuntu:
Won't Fix
Bug description:
If one updates one's kernel, which causes the default kernel pointed
to by grub to change, a system will not be straightforwardly resumable
from hibernation. This is because when one does power back on, the
kernel that will boot by default will not be the same kernel the on-
disk hibernation image is for. One needs to be careful to boot the
kernel that was booted when the system was hibernated -- if one even
knows what that was.
It seems to me to be entirely useful that when you hibernate a system,
the kernel and initrd that were booted at the time of hibernation are
stashed away and a new, temporary grub menu item is created clearly
indicating that it's for resuming of the hibernated image.
This framework should also be careful to stash the on-disk image of
the running kernel if the package providing that image is removed from
disk. In fact, perhaps it should be not allowed to remove the package
providing the running kernel to prevent this situation.
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