On Sat, Mar 08, 2025 at 12:29:06PM +0100, Eric Valette wrote: > On Fri, 7 Mar 2025 20:43:08 +0100 Marc Haber <mh+debian-b...@zugschlus.de> > wrote: > > On Fri, Mar 07, 2025 at 05:44:00PM +0100, Eric Valette wrote: > > > CONFIG_MODULE_DECOMPRESS=y > > So the culprit is there. It is not set in my own kernel build (never been so > far although config has been created via the official linux-source-6.6) and > thus I cannot load compressed modules without user space helpers that > probably not exist in initrd busybox version. Of course I can load > compressed modules once the pivot_root/switch_root is done. > > So it remains a bug because the script store compressed modules in initrd > without checking this compilation flag and the kernel does not boot. If was > not doing this in 145. This is the reason for the bug I have. > > A second bug is that the initrd does not seems to be compressed while config > says it should be with zstd (and the CONFIG_RD_* is ok). I can change to xz. > > A third one is that compressing compressed file is not efficient in term of > size. There has been bug opened exactly on this theme on other > distributions.
AFAICT this is an intentional change: https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/128 C.
