[Bug 1618525] [NEW] Failure to remove kernel partition mappings in yakkety (2.28.1-1ubuntu1)

[Robert C Jennings]

Public bug reported:

In the move from 2.28-5ubuntu2 and 2.28.1-1ubuntu1 of util-linux we see
a regression when asking kpartx to remove kernel partition mappings
where the appear to remain.

Context: We create and modify disk images heavily.  The example recreate
creates a 2GB disk image with a single partition.  From that 2GB image
we will resize it to 8GB and grow the partition/filesystem.  This
stopped working in yakkety with 2.28.1-1ubuntu1.

We do have a work-around which is call growpart on the file rather on
the loopback device.

Recreate script is attached.

** Affects: util-linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "recreate.sh"
   https://bugs.launchpad.net/bugs/1618525/+attachment/4730929/+files/recreate.sh

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https://bugs.launchpad.net/bugs/1618525

Title:
  Failure to remove kernel partition mappings in yakkety
  (2.28.1-1ubuntu1)

Status in util-linux package in Ubuntu:
  New

Bug description:
  In the move from 2.28-5ubuntu2 and 2.28.1-1ubuntu1 of util-linux we
  see a regression when asking kpartx to remove kernel partition
  mappings where the appear to remain.

  Context: We create and modify disk images heavily.  The example
  recreate creates a 2GB disk image with a single partition.  From that
  2GB image we will resize it to 8GB and grow the partition/filesystem.
  This stopped working in yakkety with 2.28.1-1ubuntu1.

  We do have a work-around which is call growpart on the file rather on
  the loopback device.

  Recreate script is attached.

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