[Bug 1011662] Re: space requirement for /tmp may be insufficient

[Brian Murray]

Well, I can't find any specific instances of people not having enough
free space in /tmp when searching attachments for update-manager and
ubuntu-release-upgrader.

** Changed in: update-manager (Ubuntu)
   Importance: Medium => Low

** Changed in: update-manager (Ubuntu)
       Status: New => Triaged

** Package changed: update-manager (Ubuntu) => ubuntu-release-upgrader
(Ubuntu)

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Title:
  space requirement for /tmp may be insufficient

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Triaged

Bug description:
  I seem to recall some distribution upgrades failing if /tmp is a
  separate partition due to a lack of free space in /tmp.  Perhaps
  increasing the fudge factor from 5 would be a good idea.

  from DistUpgrade/DistUpgradeCache.py:

          # sum up space requirements
          for (dir, size) in [(archivedir, self.required_download),
                              # plus 50M safety buffer in /usr
                              ("/usr", self.additional_required_space),
                              ("/usr", 50*1024*1024), 
                              ("/boot", space_in_boot),* 
                              ("/tmp", 5*1024*1024),   # /tmp for dkms LP: #427035 
                              ("/", 10*1024*1024),     # small safety buffer /
                              (aufs_rw_dir, required_for_aufs),
                              # if snapshots are in use
                              ("/usr", required_for_snapshots),
                             ]:

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