Re: dpkg in Bookworm insists to rebuild initrd

[David Wright <deblis@lionunicorn.co.uk>]

On Wed 09 Feb 2022 at 23:09:40 (-0500), Felix Miata wrote:
> # inxi -S
> System:
>   Host: ab560 Kernel: 5.15.0-3-amd64 x86_64 bits: 64 Desktop: Trinity
>     Distro: Debian GNU/Linux bookworm/sid
> # dpkg --configure linux-image-5.15.0-3-amd64
> Setting up linux-image-5.15.0-3-amd64 (5.15.15-2) ...
> /etc/kernel/postinst.d/initramfs-tools:
> update-initramfs: Generating /boot/initrd.img-5.15.0-3-amd64
> mv: cannot move '/boot/initrd.img-5.15.0-3-amd64.new' to
> '/boot/initrd.img-5.15.0-3-amd64': Operation not permitted
> run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
> dpkg: error processing package linux-image-5.15.0-3-amd64 (--configure):
>  installed linux-image-5.15.0-3-amd64 package post-installation script subprocess
> returned error exit status 1
> Errors were encountered while processing:
>  linux-image-5.15.0-3-amd64
> #
> 
> What can be done to make dpkg stop trying to replace the initrd that I have made
> immutable? I don't want it replaced. Nothing (now) in 5.15 will solve the problem
> that needs the solution reported here:
> https://gitlab.freedesktop.org/drm/intel/-/issues/4762

Would:

# INITRD='No' dpkg --configure linux-image-5.15.0-3-amd64

manage to propagate INITRD through to the third¹ test in
/etc/kernel/postinst.d/initramfs-tools?

¹ I'm reading buster; adjust as necessary.

Cheers,
David.