[Bug 1553107] Re: initramfs-tools: UUID checks now fail for NTFS which has upper cases UUIDS

[hakuna_matata]

It works for me, too.

$ apt-cache policy initramfs-tools
initramfs-tools:
  Installed: 0.122ubuntu6
  Candidate: 0.122ubuntu6
  Version table:
 *** 0.122ubuntu6 500
        500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     0.122ubuntu3 500
        500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages

Many thanks for your prompt reaction,

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https://bugs.launchpad.net/bugs/1553107

Title:
  initramfs-tools: UUID checks now fail for NTFS which has upper cases
  UUIDS

Status in initramfs-tools package in Ubuntu:
  In Progress

Bug description:
  The new code to lowercase all UUIDs is breaking NTFS mounts because
  those have UPPERcase UUIDs exclusivly.  The correct fix would be to
  make blkid handle this as it knows what range of values the various
  UUIDs have and whether upper/lower casing them is even safe.

  For initramfs-tools it is clear we should be checking that the UUIDs
  unmodified before attempting to change their case.  This guearentees
  existing installs are never affected.  We should likely also only case
  map those in a known UUID format which is case insensitive.

  NOTE: the bug herein was only exposed in -proposed and found by
  testers on Bug #1548120, thanks goes to them.

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