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

[jhunken]

The same problem here. Dell XPS 9370. LVM, whole disk encryption, 8GB
RAM, 256GB SSD, 975MB swap. After an hour or two of "heavy" usage with
various IDEs the laptop literally hangs because the CPU overheats, I
believe due to RAM thrashing. I have to walk away from it for 15 mins to
let it cool down. I'm lucky if I don't have to hard reboot it.

I finally added an 8GB /swapfile and the laptop is like a new machine
(even though it *is* a new machine). No issues since.

tl;dr;
975MB swapfile renders my new laptop useless.

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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:
  Confirmed

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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