** Description changed: + Adding support for transitioning debs to snaps when upgrading from 16.04 + to 18.04, bug 1780841, ended up creating a crash in a specific scenario. + + [Test Case] + 1) Install and Ubuntu 16.04 desktop system + 2) Modify /etc/hosts so api.snapcraft.io resolves to 127.0.0.1 + 3) Upgrade to Ubuntu 18.04 using u-r-u 18.04.20 (sudo ./bionic --frontend DistUpgradeViewText) + 4) Observe the Traceback in this bug report + + N.B. You'll need to manually download and extract the release upgrader + tarball from http://archive.ubuntu.com/ubuntu/dists/bionic-proposed/main + /dist-upgrader-all/current/ since the upgrade is to the development and + proposed release. + I was testing a release upgrade from Ubuntu 16.04 to Ubuntu 18.04 where I had no connectivity to the snap store and encountered this crash. - ProblemType: Crash - DistroRelease: Ubuntu 18.04 + ProblemType: CrashDistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.20 ProcVersionSignature: Ubuntu 4.4.0-121.145-generic 4.4.117 Uname: Linux 4.4.0-121-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CrashDB: ubuntu Date: Wed Jul 11 20:03:49 2018 ExecutablePath: /usr/bin/do-release-upgrade ExecutableTimestamp: 1531169948 InstallationDate: Installed on 2016-10-04 (645 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) InterpreterPath: /usr/bin/python3.5 PackageArchitecture: all ProcCmdline: /usr/bin/python3 ./bionic --frontend DistUpgradeViewText ProcCwd: /tmp/u-r-u ProcEnviron: - TERM=screen - SHELL=/bin/bash - PATH=(custom, no user) - LANG=en_US.UTF-8 - LC_CTYPE=en_US.UTF-8 + TERM=screen + SHELL=/bin/bash + PATH=(custom, no user) + LANG=en_US.UTF-8 + LC_CTYPE=en_US.UTF-8 Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1 PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend', 'DistUpgradeViewText'] - PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 - SourcePackage: ubuntu-release-upgrader + PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1SourcePackage: ubuntu-release-upgrader Title: do-release-upgrade crashed with UnboundLocalError in _replaceDebsWithSnaps(): local variable 'proc' referenced before assignment UpgradeStatus: Upgraded to bionic on 2018-07-12 (0 days ago) UserGroups: - + modified.conffile..etc.update-manager.release-upgrades: [modified] mtime.conffile..etc.update-manager.release-upgrades: 2016-10-04T13:43:38.934395
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781412 Title: do-release-upgrade crashed with UnboundLocalError in _replaceDebsWithSnaps(): local variable 'proc' referenced before assignment To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1781412/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
