This quirk should not be used for upgrades to oracular, so marking
invalid for that release. Only needs to be fixed in noble.
** Description changed:
+ [Impact]
+
+ Upgrades to Noble may crash while searching for t64 replacement
+ packages.
+
+ [Test Plan]
+
+ One way to reproduce this is by setting Pin-Priority: -1 for a t64
+ replacement package so that `replacement` will have no candidate.
+
+ $ apt install -y libts0
+ $ cat > /etc/apt/preferences.d/lp2067071 << EOF
+ Package: libts0t64
+ Pin: release a=noble
+ Pin-Priority: -1
+ EOF
+ $ do-release-upgrade
+
+ Before the patch, that will lead to the same crash shown in this bug
+ report.
+
+ [Where problems could occur]
+
+ The patch is confined to the t64 replacement quirk. Any other issues
+ would be there. The fix is to simply make sure the replacement has a
+ candidate (i.e. replacement.candidate is not None) before accessing more
+ attributes.
+
+ [Original Description]
+
it crashes while calculating space - cannot proceed to package
downloading.
short from the logs:
File "/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeCache.py",
line 497, in pre_upgrade_rule
- self.quirks.run("PreDistUpgradeCache")
- File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
95, in run
- func()
- File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
191, in PreDistUpgradeCache
- self._install_t64_replacement_packages()
- File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
1845, in _install_t64_replacement_packages
- if replacement.candidate._cand != ver:
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ self.quirks.run("PreDistUpgradeCache")
+ File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
95, in run
+ func()
+ File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
191, in PreDistUpgradeCache
+ self._install_t64_replacement_packages()
+ File
"/tmp/ubuntu-release-upgrader-4lhpwkx7/DistUpgrade/DistUpgradeQuirks.py", line
1845, in _install_t64_replacement_packages
+ if replacement.candidate._cand != ver:
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute '_cand'
-
full logs attached as files.
** Also affects: ubuntu-release-upgrader (Ubuntu Noble)
Importance: Undecided
Status: New
** Changed in: ubuntu-release-upgrader (Ubuntu Noble)
Importance: Undecided => High
** Changed in: ubuntu-release-upgrader (Ubuntu Noble)
Assignee: (unassigned) => Nick Rosbrook (enr0n)
** Changed in: ubuntu-release-upgrader (Ubuntu Noble)
Status: New => Triaged
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/2067071
Title:
cannot upgrade from 23.10 to 24.04, error in
_install_t64_replacement_packages
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