Public bug reported: It seems pkgProblemResolver is hitting an internal bug quite frequently with latest u-u:
Traceback (most recent call last): File "/usr/bin/unattended-upgrade", line 1927, in <module> sys.exit(main(options)) File "/usr/bin/unattended-upgrade", line 1822, in main options.dry_run) File "/usr/bin/unattended-upgrade", line 1399, in do_auto_remove res, error = cache_commit(cache, logfile_dpkg, verbose) File "/usr/bin/unattended-upgrade", line 513, in cache_commit res = cache.commit(install_progress=iprogress) File "/usr/lib/python3/dist-packages/apt/cache.py", line 565, in commit res = self._fetch_archives(fetcher, pm) File "/usr/lib/python3/dist-packages/apt/cache.py", line 385, in _fetch_archives raise LockFailedException("Failed to lock %s" % lockfile) apt.cache.LockFailedException: Failed to lock /var/cache/apt/archives/lock I believe this should be fixed in apt rather than just catching it in u-u. More info: The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades. This problem was most recently seen with package version 1.1ubuntu1, the problem page at https://errors.ubuntu.com/problem/49de8d44b4ceccb27b66921173ee7e837e7a1e54 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. ** Affects: apt (Ubuntu) Importance: Undecided Status: New ** Tags: bionic -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unattended-upgrades in Ubuntu. https://bugs.launchpad.net/bugs/1770224 Title: unattended-upgrades crashes with: apt_pkg.Error: E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages Status in apt package in Ubuntu: New Bug description: It seems pkgProblemResolver is hitting an internal bug quite frequently with latest u-u: Traceback (most recent call last): File "/usr/bin/unattended-upgrade", line 1927, in <module> sys.exit(main(options)) File "/usr/bin/unattended-upgrade", line 1822, in main options.dry_run) File "/usr/bin/unattended-upgrade", line 1399, in do_auto_remove res, error = cache_commit(cache, logfile_dpkg, verbose) File "/usr/bin/unattended-upgrade", line 513, in cache_commit res = cache.commit(install_progress=iprogress) File "/usr/lib/python3/dist-packages/apt/cache.py", line 565, in commit res = self._fetch_archives(fetcher, pm) File "/usr/lib/python3/dist-packages/apt/cache.py", line 385, in _fetch_archives raise LockFailedException("Failed to lock %s" % lockfile) apt.cache.LockFailedException: Failed to lock /var/cache/apt/archives/lock I believe this should be fixed in apt rather than just catching it in u-u. More info: The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades. This problem was most recently seen with package version 1.1ubuntu1, the problem page at https://errors.ubuntu.com/problem/49de8d44b4ceccb27b66921173ee7e837e7a1e54 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1770224/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp