[Bug 1883883] Re: Only libraries optimized for the running system end up in initramfs

[Launchpad Bug Tracker]

[Expired for initramfs-tools (Ubuntu) because there has been no activity
for 60 days.]

** Changed in: initramfs-tools (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1883883

Title:
  Only libraries optimized for the running system end up in initramfs

Status in initramfs-tools package in Ubuntu:
  Expired

Bug description:
  ... that may prevent rebooting to systems without the same
  optimization.

  This can be observed by on EC2 m6g instances:

  $ sudo apt install libc6-lse
  $ sudo update-initramfs -k all -u
  $ unmkinitramfs /boot/initrd.img i
  $ ls i/
  bin  conf  cryptroot  etc  init  lib  run  sbin  scripts  usr  var
  $ cd i/
  $ find . -name *pthread*
  ./usr/lib/aarch64-linux-gnu/atomics/libpthread.so.0
  ./usr/lib/aarch64-linux-gnu/atomics/libpthread-2.31.so

  Luckily btrfs-progs does not play a role in rebooting, thus m6g
  instances can still be resized to a1 instance types, and I observed no
  failure when trying to do so.

  Follow-up for LP: #1880853.

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