I installed the upgrades, and ran the script in the bug description and see if it got fixed.
xenial python3-apt (1.1.0~beta1ubuntu0.16.04.4) verified - note that the one in -updates is fine too, it only broke for the previous upload in proposed. bionic python3-apt (1.6.4) verified cosmic python3-apt (1.7.1) verified Full testing script for inside a lxd container: while ! grep cloud-init /etc/apt/sources.list; do sleep 1 done while ! ping -c1 google.com; do sleep 1 done echo "deb http://archive.ubuntu.com/ubuntu $(lsb_release -cs)-proposed main" >> /etc/apt/sources.list apt update python3 - << EOF #!/usr/bin/env python import apt import subprocess cache = apt.Cache() pkg = cache["hello"] pkg.mark_install() cache.commit() subprocess.check_call(["apt", "remove", "--yes", "hello"]) EOF apt install python3-apt python3 - << EOF #!/usr/bin/env python import apt import subprocess cache = apt.Cache() pkg = cache["hello"] pkg.mark_install() cache.commit() subprocess.check_call(["apt", "remove", "--yes", "hello"]) EOF Run like this: ( i=cosmic; lxc launch -e ubuntu:$i test-$i && lxc exec test-$i -- bash -x - < ~/a.sh ; lxc stop test-$i ) ** Tags removed: verification-needed verification-needed-bionic verification-needed-cosmic verification-needed-xenial ** Tags added: verification-done verification-done-bionic verification-done-cosmic verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python-apt in Ubuntu. https://bugs.launchpad.net/bugs/1826870 Title: cache.commit() doesn't release the archives lock Status in python-apt package in Ubuntu: Fix Released Status in python-apt source package in Xenial: Fix Committed Status in python-apt source package in Bionic: Fix Committed Status in python-apt source package in Cosmic: Fix Committed Status in python-apt package in Debian: Fix Released Bug description: [Impact] cache.commit() does not release all the locks it acquires as part of committing. This is a regression of locking fixes in bug 1795407. [Test case] This script should work: #!/usr/bin/env python import apt import subprocess cache = apt.Cache() pkg = cache["hello"] pkg.mark_install() cache.commit() subprocess.check_call(["apt", "remove", "--yes", "hello"]) [Regression potential] Other new locking bugs could pop up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1826870/+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