[Bug 1786484] Re: Updater doesn't check size of partitions.

[Brian Murray]

The free space checks for /usr seem a bit strange:

2018-08-09 19:17:15,431 DEBUG Free space on /: 1110441984
2018-08-09 19:17:15,431 DEBUG Free space on /usr: 2819907584
2018-08-09 19:17:15,432 DEBUG Free space on /var: 3585171456
2018-08-09 19:17:15,432 DEBUG Free space on /boot: 301889536
2018-08-09 19:17:15,432 DEBUG Dir /var/cache/apt/archives mounted on /var
2018-08-09 19:17:15,432 DEBUG Free space on /tmp: 10716753920
2018-08-09 19:17:15,432 DEBUG Free space on /home: 2221584384
2018-08-09 19:17:15,432 DEBUG Dir /tmp mounted on /tmp
2018-08-09 19:17:15,432 DEBUG fs_free contains: '{'/': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd30>, '/usr': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd68>, '/var/cache/apt/archives': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6beb8>, '/boot': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6be10>, '/var': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6beb8>, '/home': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bef0>, '/tmp': <DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bcf8>}'
2018-08-09 19:17:16,690 DEBUG linux-image-4.15.0-30-generic (new-install) added with 20705456 to boot space
2018-08-09 19:17:19,295 DEBUG dir '/var/cache/apt/archives' needs '3474732250' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6beb8>' (3585171456.000000)
2018-08-09 19:17:19,296 DEBUG dir '/usr' needs '-3102259200' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd68>' (2819907584.000000)
2018-08-09 19:17:19,296 DEBUG dir '/usr' needs '52428800' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd68>' (5922166784.000000)
2018-08-09 19:17:19,296 DEBUG dir '/boot' needs '121070520.8' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6be10>' (301889536.000000)
2018-08-09 19:17:19,296 DEBUG dir '/tmp' needs '5242880' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bcf8>' (10716753920.000000)
2018-08-09 19:17:19,296 DEBUG dir '/' needs '10485760' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd30>' (1110441984.000000)
2018-08-09 19:17:19,296 DEBUG dir '/tmp' needs '0.0' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bcf8>' (10711511040.000000)
2018-08-09 19:17:19,296 DEBUG dir '/usr' needs '0.0' of '<DistUpgrade.DistUpgradeCache.MyCache.checkFreeSpace.<locals>.FreeSpace object at 0x7f9460e6bd68>' (5869737984.000000)

Could you provide some information regarding how your disk and
partitions are setup? Thanks in advance!

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1786484

Title:
  Updater doesn't check size of partitions.

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  In my case I ran out of diskspace in /usr which required a temporary 4
  GB of more data during upgrade. Things just start to fail, and I can
  tell you - then you are screwed. I find this unacceptable for a wide-
  spread official LTS upgrader.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.22
  ProcVersionSignature: Ubuntu 4.15.0-30.32-generic 4.15.18
  Uname: Linux 4.15.0-30-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Fri Aug 10 15:14:33 2018
  InstallationDate: Installed on 2016-01-11 (941 days ago)
  InstallationMedia: Kubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to bionic on 2018-08-09 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2018-08-06T15:08:30.181962

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