Please help with a partitioning scheme (unable to install with LUKS)

[kubuntu-love]

Hi,

I want to install Kubuntu 24.04.1 LTS on my NVME disk.

Here is my table (GPT):

1. 8 MiB - unformatted, flag: bios-grub *
2. 512 MiB, FAT32, /boot/efi, flag: boot
3. 1024 MiB, LUKS EXT4, /boot **
4. 64000 MiB, LUKS EXT4, /

Unfortunately, after installation I immediately fall into Grub console, and boot process stops.

Notes:
* - Calamares suggests creating unfmatted 8Mb partition to support GPT loading
** - It's nice that the Calamares installer offers me to encrypt /boot partition in addition to / one, and off course I use this option.

Please review my partition table and advice me how to change it to finish installation. I need as high level of encryption as it is possible. Secure Boot is enabled.

[Princey]

Question is why dedicate only 1GB for boot? What's the total size of your drive? 128GB? Only when we know the total size capacity can a suitable layout be advised.

[kubuntu-love]

Princey, do you suppose that Linux can't start from /boot partition that is just 1Gb?

As I know the recommended size of /boot partition is below 1Gb.

To be honest, I would prefer to keep /boot on the same partition / is located on. But I tried this way too, it doesn't work as well.

My disk total size is 4Tb (unused at installation stage space I will manually format into a seaparated encrypted partition), so please advice any reasonable sizes.