Public bug reported:
After I try to upgrade with `sudo do-release-upgrade`, it stops with "An
unresolvable problem occurred while calculating the upgrade."
Maybe it is related with the following message above:
Continue [yN] y
Get:1 Upgrade tool signature [833 B]
Get:2 Upgrade tool [960 kB]
Fetched 961 kB in 0s (0 B/s)
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherCore.py:237:
Warning: W:Download is performed unsandboxed as root as file
'plucky.tar.gz.gpg' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13:
Permission denied)
result = fetcher.run()
authenticate 'plucky.tar.gz' against 'plucky.tar.gz.gpg'
extracting 'plucky.tar.gz'
ProblemType: Bug
DistroRelease: Ubuntu 24.10
Package: ubuntu-release-upgrader-core 1:24.10.14
ProcVersionSignature: Ubuntu 6.11.0-29.29-generic 6.11.11
Uname: Linux 6.11.0-29-generic x86_64
ApportVersion: 2.30.0-0ubuntu4.4
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CurrentDesktop: i3
Date: Tue Jul 22 21:29:48 2025
InstallationDate: Installed on 2023-02-15 (888 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
PackageArchitecture: all
ProcEnviron:
LANG=cs_CZ.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to oracular on 2025-07-22 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade oracular
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https://bugs.launchpad.net/bugs/2117519
Title:
Can not upgrade from Ubuntu 24.10 to 25
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