[Bug 1823391] [NEW] /lib/systemd/system/grub-initrd-fallback.service may be sequenced too early

[Steve Langasek]

Public bug reported:

The new /lib/systemd/system/grub-initrd-fallback.service introduced in
disco and related to initramfsless fallback handling declares itself a
dependency of the sysinit.target, which is quite early in boot.  This
shows up in boot charts of various cloud guest instances, implying that
it does have an impact on boot speed.

We should evaluate if this can be made a dependency of multi-user.target
+ rescue.target + emergency.target instead (which, per bootup(7), I
believe covers all of the relevant targets we might be booting to).

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1823391

Title:
  /lib/systemd/system/grub-initrd-fallback.service may be sequenced too
  early

Status in grub2 package in Ubuntu:
  New

Bug description:
  The new /lib/systemd/system/grub-initrd-fallback.service introduced in
  disco and related to initramfsless fallback handling declares itself a
  dependency of the sysinit.target, which is quite early in boot.  This
  shows up in boot charts of various cloud guest instances, implying
  that it does have an impact on boot speed.

  We should evaluate if this can be made a dependency of multi-
  user.target + rescue.target + emergency.target instead (which, per
  bootup(7), I believe covers all of the relevant targets we might be
  booting to).

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