Public bug reported:
Running do-release-upgrade, got the error below:
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/focal", line 8, in <module>
sys.exit(main())
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeMain.py",
line 238, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 2089, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 1860, in fullUpgrade
if not self.prepare():
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 431, in prepare
self.openCache()
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 214, in openCache
return self._openCache(lock)
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 242, in _openCache
lock)
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeCache.py",
line 144, in __init__
self.linux_metapackage = self.quirks._get_linux_metapackage(self, False)
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeQuirks.py", line
845, in _get_linux_metapackage
source = pkg.candidate.record['Source']
AttributeError: 'NoneType' object has no attribute 'record'
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/problem_report.py", line 497, in
add_to_existing
self.write(f)
File "/usr/lib/python3/dist-packages/problem_report.py", line 450, in write
block = f.read(1048576)
File "/usr/lib/python3.6/codecs.py", line 321, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8b in position 1: invalid
start byte
Original exception was:
Traceback (most recent call last):
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/focal", line 8, in <module>
sys.exit(main())
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeMain.py",
line 238, in main
if app.run():
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 2089, in run
return self.fullUpgrade()
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 1860, in fullUpgrade
if not self.prepare():
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 431, in prepare
self.openCache()
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 214, in openCache
return self._openCache(lock)
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeController.py",
line 242, in _openCache
lock)
File "/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeCache.py",
line 144, in __init__
self.linux_metapackage = self.quirks._get_linux_metapackage(self, False)
File
"/tmp/ubuntu-release-upgrader-tnrwjlhy/DistUpgrade/DistUpgradeQuirks.py", line
845, in _get_linux_metapackage
source = pkg.candidate.record['Source']
AttributeError: 'NoneType' object has no attribute 'record'
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.42
ProcVersionSignature: Ubuntu 5.4.0-42.46~18.04.1-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Mon Mar 8 19:22:02 2021
InstallationDate: Installed on 2021-03-05 (3 days ago)
InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64
(20200806.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-03-08 (0 days ago)
mtime.conffile..etc.update-manager.release-upgrades: 2021-03-06T11:59:59.599761
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic dist-upgrade
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https://bugs.launchpad.net/bugs/1918200
Title:
Can't upgrade to Ubuntu 20.04
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