[Bug 1991324] Re: Initramfs-tools: iSCSI boot resulting in modprobe not found error message

[Pascal van Dam]

Herewitht the bootlog from serial console of the PI (btw this is from
Kinetic Kudo e.g. bug is persistent in multiple versions 22.04.1 and
22.10)

To reproduce:

1. Install pristine Ubuntu Server for PI/ARM64 on SD or USB.
2. Install open-iscsi, lvm2, nfs-common
3. Configure iSCSI initiator
4. Attach iSCSI volume from NAS
5. Create LVM on iSCSI volume
6. Reinstall linux-image, linux-modules and linux-modules-extra to generate initramfs
6. Rsync SD card to iSCSI
7. Copy /boot/firmware to TFTPBOOT dir on NAS
8. Alter cmdline.txt for iSCSI boot
9. Reboot PI from iSCSI
 9a PI4 gets vmlinuz, cmdline.txt, config.txt and initrd.img from NAS
 9b Kernel boots succesfully
 9c Init in RAM disk complains about binaries that it cannot find


Hope this helps


** Attachment added: "pi4-iscsi-initramfs-boot.log"
   https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1991324/+attachment/5620431/+files/pi4-iscsi-initramfs-boot.log

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https://bugs.launchpad.net/bugs/1991324

Title:
  Initramfs-tools: iSCSI boot resulting in modprobe not found error
  message

Status in initramfs-tools package in Ubuntu:
  Incomplete

Bug description:
  My RPi4's are having their rootvg on iSCSI and boot from them. The
  kernel modules etc are in the initramfs. However since 22.04 the
  initramfs is not generated corrected and while booting from it it
  results in error messages stating various binaries/scripts are not
  locatable.

  E.g. modprobe, systemd-udev, mdadm etc.

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