[Bug 1716999] Re: installer creates rather small /boot partition

[Mathieu Trudel-Lapierre]

** Description changed:

- The installer (in 16.04 and 17.10) creates a separate /boot partition,
- when required, of only 487M. This ends up being rather small when you
- using the following equation to estimate a minimal size allowing for
- reasonable room for further growth.
+ [Impact]
+ All new installs of 16.04.
+ 
+ [Test case]
+ 1) Install Ubuntu 16.04 on a system
+ 2) Validate that the size of the /boot partition is greater than or equal to 512MB; should be somewhere between 512MB and 1GB, close to 768MB.
+ 
+ [Regression potential]
+ This may adversely affect installs on tiny disks, by taking up more space for the /boot partition than was previously taken, at the cost of  / or /home. As such, failures to install due to insufficient space on a partition, or failure to partition a disk that was previously working should be investigated as possible regressions.
+ 
+ ---
+ 
+ 
+ The installer (in 16.04 and 17.10) creates a separate /boot partition, when required, of only 487M. This ends up being rather small when you using the following equation to estimate a minimal size allowing for reasonable room for further growth.
  
  (2*(3*kernel + 4*plymouth-carrying initrd + bootloader))

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https://bugs.launchpad.net/bugs/1716999

Title:
  installer creates rather small /boot partition

Status in partman-auto package in Ubuntu:
  Fix Released
Status in partman-auto source package in Xenial:
  New

Bug description:
  [Impact]
  All new installs of 16.04.

  [Test case]
  1) Install Ubuntu 16.04 on a system
  2) Validate that the size of the /boot partition is greater than or equal to 512MB; should be somewhere between 512MB and 1GB, close to 768MB.

  [Regression potential]
  This may adversely affect installs on tiny disks, by taking up more space for the /boot partition than was previously taken, at the cost of  / or /home. As such, failures to install due to insufficient space on a partition, or failure to partition a disk that was previously working should be investigated as possible regressions.

  ---

  
  The installer (in 16.04 and 17.10) creates a separate /boot partition, when required, of only 487M. This ends up being rather small when you using the following equation to estimate a minimal size allowing for reasonable room for further growth.

  (2*(3*kernel + 4*plymouth-carrying initrd + bootloader))

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