[Bug 1767299] Re: Ubuntu 18.04 Installer creates swap partition too small

[dragon788]

I wonder if it is an opinion that the number of companies using Ubuntu
on laptops might be reduced starting with 18.04 considering the amount
of extra effort to write a completely custom partman recipe with a
larger swap (or assuming the answer above works in the preseed to
actually get the old behavior of 100% or so) in order to use hibernation
to conserve battery life, since suspend still tends to run a battery
down fairly quickly, and those that don't have access to power now have
to shut down their machines completely losing their working state rather
than being able to quickly hibernate and resume.

It makes me sad that rather than reuse a preseed that has worked across
multiple previous releases of Ubuntu without alteration I now have to
come up with a partman recipe to handle whether I need an EFI partition
or not as well as how large to make each individual partition including
the swap. I feel like introducing a new recipe or at least making it
opt-in for the change rather than automatically breaking existing
preseeds for everyone.

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https://bugs.launchpad.net/bugs/1767299

Title:
  Ubuntu 18.04 Installer creates swap partition too small

Status in partman-auto package in Ubuntu:
  Opinion

Bug description:
  Installed Ubuntu 18.04 final release.

  The disk is 512 Gigabyte, the RAM is 8 Gigabyte. The installer just
  gave me 979 Megabyte of space. I chose LVM to have an encrypted drive.

  Here are some details:

  free -h
                total        used        free      shared  buff/cache   available
  Mem:           7,7G        4,0G        152M        399M        3,6G        3,0G
  Swap:          979M          0B        979M


  swapon --show
  NAME      TYPE      SIZE USED PRIO
  /dev/dm-2 partition 980M   0B   -2

  
  cat /etc/fstab
  # /etc/fstab: static file system information.
  #
  # Use 'blkid' to print the universally unique identifier for a
  # device; this may be used with UUID= as a more robust way to name devices
  # that works even if disks are added and removed. See fstab(5).
  #
  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  /dev/mapper/ubuntu--vg-root /               ext4    errors=remount-ro 0       1
  # /boot was on /dev/sda2 during installation
  UUID=removed-id /boot           ext4    defaults        0       2
  # /boot/efi was on /dev/sda1 during installation
  UUID=removed-id  /boot/efi       vfat    umask=0077      0       1
  /dev/mapper/ubuntu--vg-swap_1 none            swap    sw              0       0

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