On Tue, Dec 16, 2025 at 08:13:04AM -0500, Neal Gompa wrote: > On Tue, Dec 16, 2025 at 5:54 AM Gerd Hoffmann <[email protected]> wrote: > > > > Hi, > > > > > * Stubble is a fork of systemd-stub there is no reason why the same should > > > not be possible with systemd-stub. Testing has shown that ATM using > > > systemd-stub this way does not work, why this does not work has not been > > > investigated yet. For now we are going with Stubble. > > > > /me looks a bit surprised that you don't even investigate why > > systemd-stub does not work before going to package the stubble fork ... > > Well, does sd-stub have the DTB selection stuff for a series of > embedded DTBs? I thought that's kind of the point of stubble.
The stub man-page describes '.dtbauto' sections which have exactly this purpose ... > > > 1. For now vmlinuz will grow by about 3 MB which is not a problem, but as > > > more DTBs get added it will grow more. There are several ideas to reduce > > > the growth but those are not implemented yet. > > > > Can't the DTBs be shipped as UKI add-ons? > > That's a good question, but I wonder if that would be too late? I was > told we can't do it in initramfs, which makes it sound like it > absolutely needs to be in vmlinux. Add-ons are loaded by the systemd efi stub. They can carry data which is later user by the initrd (sysext + confext), but it is also possible to add things to the UKI. I think having add-ons with '.dtbauto' sections and have systemd-stub use them when booting the kernel should work. take care, Gerd -- _______________________________________________ devel mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
