Hi list,
I recently got curious about unified kernel images and what they bring
to the table. While informing myself about these, the following
questions came to mind:
- ESP partition size: my laptop has it set at 260 MB by the laptop
vendor, my desktop has it at 100 MB. Recommendation is 200 to 500 MB
[0]. This seems too little, given that now the /boot partition on my
desktop is 512 MB full with 3 kernels installed. Or are the UKIs packed
more efficiently? Moreover, resizing ESP is somewhat challenging due to
a parted bug [1][2]. Are there plans to make this more user-friendly
once UKIs become more prevalent?
- does UKI work with third-party kernel modules like nvidia?
- grub-less UKIs mean updating efivars with every kernel update. GRUB
developers expressed concerns this might wear down the NVRAM chips. Was
this ever looked into in more detail?
Thanks for your responses in advance!
Best regards,
Julian
[0] https://fedoraproject.org/wiki/Changes/Unified_Kernel_Support_Phase_2
[1] https://gitlab.gnome.org/GNOME/gparted/-/issues/245
[2] https://bugzilla.gnome.org/show_bug.cgi?id=649324#c7
[3] https://lists.gnu.org/archive/html/grub-devel/2022-02/msg00105.html
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