[Bug 1901395] Re: Not enough free disk space for /boot while upgrading from 20.04 LTS to 20.10

[chadwick]

this is exactly the issue during an upgrade of a pine64+. the boot
partition was created at 100MB so it is quite impossible to go to 100MB

there is not much there:

 du -sch /boot/*
2.0K    /boot/Image.version
3.4M    /boot/bat
10K     /boot/boot.cmd
10K     /boot/boot.scr
3.1M    /boot/bootlogo.bmp
338K    /boot/font24.sft
350K    /boot/font32.sft
1.1M    /boot/initrd.img
11M     /boot/kernel
4.4M    /boot/pine64
2.0K    /boot/uEnv.txt
2.0K    /boot/uEnv.txt.in
23M     total

but there must be a solution to having too small a partition, and if
there is not, then an image for pine64+ would be appreciated

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https://bugs.launchpad.net/bugs/1901395

Title:
  Not enough free disk space for /boot while upgrading from 20.04 LTS to
  20.10

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

Bug description:
  Initially I have a 14.04 LTS system with encrypted LVM default partitioning.
  It was successfully upgraded to 16.04 LTS, then to 18.04 LTS and then to 20.04 LTS by using simple do-release-upgrade command.

  Now it can't upgrade from 20.04 LTS to 20.10. It complains about the
  disk space:

  ```
  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Not enough free disk space

  The upgrade has aborted. The upgrade needs a total of 206 M free 
  space on disk '/boot'. Please free at least an additional 89,1 M of 
  disk space on '/boot'. You can remove old kernels using 'sudo apt 
  autoremove' and you could also set COMPRESS=xz in 
  /etc/initramfs-tools/initramfs.conf to reduce the size of your 
  initramfs. 

  
  Restoring original system state

  Aborting

  ```

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.28
  ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
  Uname: Linux 5.4.0-52-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27.10
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Sun Oct 25 13:27:21 2020
  InstallationDate: Installed on 2020-10-24 (0 days ago)
  InstallationMedia: Ubuntu MATE 14.04.2 "Trusty Tahr" - LTS amd64 (20150323)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2020-10-25 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2020-10-25T13:10:11.116833

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