dpkg in Bookworm insists to rebuild initrd

From	Felix Miata <mrmazda@earthlink.net>
Newsgroups	linux.debian.user
Subject	dpkg in Bookworm insists to rebuild initrd
Date	2022-02-10 05:20 +0100
Message-ID	<DP961-LJs-1@gated-at.bofh.it> (permalink)
Organization	less than infinite

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# 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

The problem is dual displays cannot be used until after POST on LGA1200
motherboards with Intel a5## chipset and motherboard BIOS from Asus and ASRock.
So, I need a 5.17 kernel. Anything to do with 5.15 is a waste of time, unless and
untl the 4762 fix gets backported, or the motherboard makers release a fixed BIOS.
I don't want to beat up my SSD rebuilding bloated initrds needlessly, and dpkg
here is ignoring update_initramfs=no in update-initramfs.conf. :(
-- 
Evolution as taught in public schools is, like religion,
	based on faith, not based on science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata

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Thread

dpkg in Bookworm insists to rebuild initrd Felix Miata <mrmazda@earthlink.net> - 2022-02-10 05:20 +0100
  Re: dpkg in Bookworm insists to rebuild initrd David Wright <deblis@lionunicorn.co.uk> - 2022-02-10 06:40 +0100
    Re: dpkg in Bookworm insists to rebuild initrd Felix Miata <mrmazda@earthlink.net> - 2022-02-10 08:50 +0100
      Re: dpkg in Bookworm insists to rebuild initrd David Wright <deblis@lionunicorn.co.uk> - 2022-02-10 16:30 +0100
  Re: dpkg in Bookworm insists to rebuild initrd Greg Wooledge <greg@wooledge.org> - 2022-02-10 13:30 +0100

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