On Fri Aug 9, 2024 at 10:08 PM CEST, Pascal Hambourg wrote: > Guided partitioning with LVM already provides a feature to reserve space > in the VG. Maybe it could be extended to guided partitioning with plain > partitions.
I'm not 100% sure if this fits into this subject/discussion, but ... On ARM devices it would be very useful if the first 16MB would be (automatically) reserved. The U-Boot bootloader is normally put in the first part of the boot device and for Rockchip based devices that can extend to the 16MB 'mark'. AFAIK bootloaders for other SoCs are before that. If you use the current recipes you end up with an unbootable system as the U-Boot bootloader get overwritten with the / (root) partition and the data on it. There should be a bug for it, but I didn't manage to find it. Right now, the instruction is to choose manual partitioning and create a 16MB partition ([1] says 32MB, but it should be 16MB [2]) and then the normal partitions and after that you could remove that partition again. And if you type in 16MB, then you need to 'hope' that it is actually 16MB and not something (a bit) smaller. I like to think that I'm more advanced then most users and I found it quite difficult to do. So it would be very helpful if the recipe(s) for ARM devices would reserve the first 16MB automatically with plain partitioning. [1] https://wiki.pine64.org/wiki/ROCK64_Software_Releases#Debian [2] https://opensource.rock-chips.com/wiki_Partitions
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