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[Brian Murray <brian@xxxxxxxxxx>]

** Also affects: ubiquity (Ubuntu Xenial)
   Importance: Undecided
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1465050

Title:
  Size of /boot partition is too small

Status in ubiquity package in Ubuntu:
  Confirmed
Status in ubiquity source package in Xenial:
  Confirmed

Bug description:
  When using a partitioning option that requires the use of a /boot
  partition (such as LVM), Ubiquity (in Ubuntu 15.04) creates a rather
  small /boot partition -- 244MiB in my test:

  GPT fdisk (gdisk) version 0.8.10

  Partition table scan:
    MBR: protective
    BSD: not present
    APM: not present
    GPT: present

  Found valid GPT with protective MBR; using GPT.
  Disk /dev/sda: 95509824 sectors, 45.5 GiB
  Logical sector size: 512 bytes
  Disk identifier (GUID): 6620D692-A7C3-4054-BD03-C37233564AEA
  Partition table holds up to 128 entries
  First usable sector is 34, last usable sector is 95509790
  Partitions will be aligned on 2048-sector boundaries
  Total free space is 3325 sectors (1.6 MiB)

  Number  Start (sector)    End (sector)  Size       Code  Name
     1            2048         1050623   512.0 MiB   EF00  
     2         1050624         1550335   244.0 MiB   8300  
     3         1550336        95508479   44.8 GiB    8E00

  Although this is adequate for the initial installation, it leaves very
  little space for expansion. On my test installation, it was 40% full
  (90MiB used) immediately after installation, with two kernels
  installed (one of which also had a ".efi.signed" variant installed).

  The small size of the /boot partition has been causing problems "in
  the wild," as illustrated by some askubuntu.com questions:

  http://askubuntu.com/questions/142926/cant-upgrade-due-to-low-disk-space-on-boot
  http://askubuntu.com/questions/89710/how-do-i-free-up-more-space-in-boot
  http://askubuntu.com/questions/298487/not-enough-free-disk-space-when-upgrading

  I recommend increasing the default size of a separate /boot partition
  to approximately 500MiB; that's normally been adequate for me.

  Other possible fixes (which I'd implement in addition to a /boot
  partition size increase, not instead of it) include removing the non-
  signed kernel when a signed one is installed and automatically
  removing older kernels when an upgrade is installed. These would
  require changes to package management rather than Ubiquity, of course.

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