Here is the PPA for all architectures, please test :-
https://launchpad.net/~ubuntu-iremonger/+archive/ubuntu/e2fsprogs-xenial

That is currently a backport of the version in bionic release itself,
but maintains the xenial mke2fs.conf defaults [creating filesystems
without 64bit,metadata_csum] for compatibility.

I notice e2fsprogs in cosmic [1.44.2] introduces an anti-crash-fix [filesystems 
designed to crash e2fsck!].  Exactly what versions should then be considered 
for xenial-backports and xenial-updates, and if any updates to bionic should 
also be considered, is another matter!.
Debian already have 1.44.2 backported to stretch (their current LTS release), 
for example.

"-updates" versions might not, for example, want to update the comerr
development headers and other potential compatibility regression areas,
who knows?.

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to e2fsprogs in Ubuntu.
https://bugs.launchpad.net/bugs/1365874

Title:
  Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS do not support ext4 metadata
  checksumming

Status in e2fsprogs package in Ubuntu:
  Triaged

Bug description:
  In the Trusty release notes "Metadata checksumming" is listed as one
  of the tech highlights of kernel 3.13.

  https://wiki.ubuntu.com/TrustyTahr/ReleaseNotes#New_features_in_14.04_LTS

  However, the userland tools do not support this kernel feature. To the
  best of my knowledge this will be supported in 1.43, and won't be
  backported to 1.42.

  IMHO this is very misleading. It's like a car salesperson sold you a
  sports car with an V8 engine. After you drove it home, you opened the
  hood and realized only 6 cylinders are working because 2 of the spark
  plugs were not included, and you have to buy aftermarket ones.

  <rant>BTW, I've been following the development of e2fsprogs for over a
  year. 1.43  release has been in limbo for God knows how long :(
  </rant>

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