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[James Lewis <1389275@xxxxxxxxxxxxxxxxxx>]

I cannot provide the output of apport since the issue occurred before
the upgrade process which is now complete... however I think it's fairly
obvious, this is a procedural issue, not a crash... the BTRFS snapshot
needs to happen before it starts making changes to perform the update.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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https://bugs.launchpad.net/bugs/1389275

Title:
  Updating from 14.04 to 14.10 created a snapshot, but it did so AFTER
  updating the sources.

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Using BTRFS to allow snapshot rollback from version updates actually
  worked... I updated from 14.04 to 14.10 on Nov 1st, and encountered a
  problem, I saw that update-manager had taken a snapshot before
  completing the update, but after rollback I found that the snapshot
  was taken AFTER the 14.10 sources had been put in place.

  Clearly the snapshot should be taken before changes are made to the
  package configuration, or rollback will not be complete.

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