Public bug reported:
The function checkFreeSpace in DistUpgrade/DistUpgradeCache.py says, in
the docstring, that it checks "free space on /var" but then there is no
required size given so I'm pretty sure /var is not checked for free
space. Here's the check for free space:
1169 # sum up space requirements
1170 for (dir, size) in [(archivedir, self.required_download),
1171 # plus 50M safety buffer in /usr
1172 ("/usr", self.additional_required_space),
1173 ("/usr", 50*1024*1024),
1174 ("/boot", space_in_boot),
1175 ("/tmp", 5*1024*1024), # /tmp for dkms LP:
#427035
1176 ("/", 10*1024*1024), # small safety buffer
/
1177 (aufs_rw_dir, required_for_aufs),
1178 # if snapshots are in use
1179 ("/usr", required_for_snapshots),
1180 ]:
1181 dir = os.path.realpath(dir)
1182 logging.debug("dir '%s' needs '%s' of '%s' (%f)" % (dir, size,
fs_free[dir], fs_free[dir].free))
1183 fs_free[dir].free -= size
1184 fs_free[dir].need += size
1185
1186 # check for space required violations
1187 required_list = {}
1188 for dir in fs_free:
It's possible that checking /var is unnecessary since we check
"archivedir" which is:
archivedir = apt_pkg.config.find_dir("Dir::Cache::archives")
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Medium
Status: New
** Tags: artful rls-bb-incoming
** Changed in: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided => Medium
** Tags added: artful rls-bb-incoming
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https://bugs.launchpad.net/bugs/1718497
Title:
checkFreeSpace says it checks /var but may not really
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