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

[Steve Langasek]

Hello Brian, or anyone else affected,

Accepted partman-auto into xenial-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/partman-
auto/134ubuntu1.3 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Description changed:

  [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.
+ This is a corner case in general since there is no requirement to allocate a separate partition for /boot in the default configuration, and if you are using a non-default configuration where /boot must be a separate partition, you probably also don't have a disk so small that an additional 256MB of disk usage is a problem.
  
  ---
  
- 
- 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.
+ 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))

** Changed in: partman-auto (Ubuntu Xenial)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-xenial

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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:
  Fix Committed

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.
  This is a corner case in general since there is no requirement to allocate a separate partition for /boot in the default configuration, and if you are using a non-default configuration where /boot must be a separate partition, you probably also don't have a disk so small that an additional 256MB of disk usage is a problem.

  ---

  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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