[Bug 613174] Re: do-release-upgrade seems not to check if there is enough HD space for the upgrade

[Walter Garcia-Fontes]

*** This bug is a duplicate of bug 876146 ***
    https://bugs.launchpad.net/bugs/876146

I'm duplicating this bug to bug 876146 , where problems that can make an
unusable system after an upgrade are being dealt with. I agree that that
user should be warned if there is less than some given space (less than
1 GiB?) of space in the root system when an upgrade to a new release is
attempted. Ubuntu automatically warns when there is 1 GiB in the root
partition, but it may be too late to stop the upgrade when the automatic
warning arrives.

** This bug has been marked a duplicate of bug 876146
   Upgrading Ubuntu is risky (unusable or unbootable PC). What can be done to safeguard data, revert failed upgrades and overall reduce the risks?

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https://bugs.launchpad.net/bugs/613174

Title:
  do-release-upgrade seems not to check if there is enough HD space for
  the upgrade

Status in “update-manager” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: update-manager-core

  on upgrading from 9.10 to 10.04 on a small system (8 GB HD, ~1GB free)
  the remaining space on the HD dropped to 48MB. Downloads occur before
  deletes :-)). I would have expected a warning before the downloads
  begin.

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