[Bug 1771000] [NEW] do-release-upgrade on a server with encrypted swap does not boot

[Frédéric Grosshans]

Public bug reported:

I’ve upgraded a server to bionic beaver, and it couldn’t boot anymore.
Using the “recovery boot” option hanged a long time with the message
"waiting for resume device".

Some googling lead be to the bug #206358, and I deduced that do-release-
upgrade “messed with my swap” (as said by @aldebx on there). This was a
LVM set-up with an encrypted swap, which may explain the bug.

My workaround, form the root login of the recovery mode was the following 
1. comment out the RESUME line in /etc/initramfs-tools/conf.d/resume 
2. rebuild the initramfs with update-initramfs -u
3. mount the /boot partiton to actually put the initramfs on the correct place

Now the systems boots again, but this problem shouldn’t have happened in
the first place.

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bionic

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https://bugs.launchpad.net/bugs/1771000

Title:
  do-release-upgrade on a server with encrypted swap does not boot

Status in initramfs-tools package in Ubuntu:
  New

Bug description:
  I’ve upgraded a server to bionic beaver, and it couldn’t boot anymore.
  Using the “recovery boot” option hanged a long time with the message
  "waiting for resume device".

  Some googling lead be to the bug #206358, and I deduced that do-
  release-upgrade “messed with my swap” (as said by @aldebx on there).
  This was a LVM set-up with an encrypted swap, which may explain the
  bug.

  My workaround, form the root login of the recovery mode was the following 
  1. comment out the RESUME line in /etc/initramfs-tools/conf.d/resume 
  2. rebuild the initramfs with update-initramfs -u
  3. mount the /boot partiton to actually put the initramfs on the correct place

  Now the systems boots again, but this problem shouldn’t have happened
  in the first place.

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