Re: new F41 install: is swap partition no longer needed for hibernate?

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On 12/9/24 5:22 PM, Samuel Sieb wrote:
On 12/8/24 5:57 PM, Ranjan Maitra via users wrote:
I have not installed Fedora on a laptop for a while, and I am pretty confused with how to partition the disk: I do custom partition because I want a very big /home, and a reasonable /

In the old past, several iterations ago, I used to create a separate swap partition (twice the size of RAM, though for very large RAM, I have been using 1x or 1.5x) and use that for hibernate. But now with zram0, do we no longer need a swap partition? If so, how is hibernate supposed to work? There is a lot of discussion online: it appears that things changed around F38 and even later, and also I do not seem to be able to land an official fedora document regarding what to do. Is this something that is supposed to simply work?

Btw, in case it matters, I continue to use ext4 filesystems (except for the EFI partition).

Sorry I am not very clear on this. Any suggestions on how to do this?

I just tested F40 in a VM.  If you configure a swap partition at install time, anaconda will set the resume parameter automatically.  However, I still had to add the "resume" module to dracut to make it work.

If secure boot is enabled, you need to encrypt the swap partition, but I haven't had a chance to test that yet.

I have now tested this and can find no way to make it work. Even if swap is encrypted, the kernel lockdown still won't allow hibernation. So you must disable secure boot in order to use hibernation.

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