[Bug 2100296] Re: Double initrd in /efi/<machine-id>/<kver>/ with systemd-boot

[Benjamin Drung]

Thank you for taking the time to report this bug and contributing to
Ubuntu. I was able to reproduce the issue in a VM installing dracut and
systemd-boot. This is what I saw:

1. The kernel postinst calls
/etc/kernel/postinst.d/dracut which calls dracut to generate /boot/initrd.img-6.12.0-16-generic

2. /etc/kernel/postinst.d/initramfs-tools calls
update-initramfs which calls dracut to generate /boot/initrd.img-6.12.0-16-generic. update-initramfs also calls
/etc/initramfs/post-update.d/systemd-boot 6.12.0-16-generic /boot/initrd.img-6.12.0-16-generic

3. /etc/kernel/postinst.d/zz-systemd-boot calls
/etc/kernel/postinst.d/zz-systemd-boot 6.12.0-16-generic /boot/vmlinuz-6.12.0-16-generic

4. Then something calls
/usr/bin/dracut -f --add-confdir hostonly --kernel-image /boot/vmlinuz-6.12.0-16-generic --no-uefi --kver 6.12.0-16-generic /tmp/kernel-install.staging.Z4Ms72/initrd

Further investigation is needed.

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https://bugs.launchpad.net/bugs/2100296

Title:
  Double initrd in /efi/<machine-id>/<kver>/ with systemd-boot

Status in dracut package in Ubuntu:
  New
Status in systemd package in Ubuntu:
  New

Bug description:
  With the combination of using dracut and systemd-boot from plucky-
  proposed I get two initrds copied to the EFI partition:

  /efi/2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic
  /efi/2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/linux
  /efi/2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/jh7110-starfive-visionfive-2-v1.3b.dtb
  /efi/2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/initrd
  /efi/2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/initrd.img-6.14.0-5-generic

  ..and both of them enabled in the config file

  root at visionfive2~# cat /efi/loader/entries/2504a9c37a434fc28843779e4d0b34eb-6.14.0-5-generic.conf
  # Boot Loader Specification type#1 entry
  # File created by /usr/lib/kernel/install.d/90-loaderentry.install (systemd 257.3-1ubuntu3)
  title      Ubuntu Plucky Puffin (development branch)
  version    6.14.0-5-generic
  machine-id 2504a9c37a434fc28843779e4d0b34eb
  sort-key   ubuntu
  options    earlycon console=ttyS0,115200n8 rootwait root=/dev/nvme0n1 rootfstype=btrfs ro rootflags=ssd,subvol=/plucky systemd.machine_id=2504a9c37a434fc28843779e4d0b34eb
  linux      /2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/linux
  devicetree /2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/jh7110-starfive-visionfive-2-v1.3b.dtb
  initrd     /2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/initrd
  initrd     /2504a9c37a434fc28843779e4d0b34eb/6.14.0-5-generic/initrd.img-6.14.0-5-generic

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