Please also reboot, reproduce the problem again, and then while it is slow produce a fresh system log:
journalctl -b0 > journal.txt and attach the resulting text file here. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1897478 Title: ubuntu 20.04 is extremely slow to upgrade, install or uninstall any software and launch any of it Status in apt package in Ubuntu: Incomplete Bug description: After upgrade from 18.04 to 20.04, any upgrade, installing or uninstalling of any softwares take a long time to be done sometimes 2-3 hours. and no one of tools monitors show where is bottleneck. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.4-1ubuntu1~20.04.2 ProcVersionSignature: Ubuntu 5.4.0-48.52-lowlatency 5.4.60 Uname: Linux 5.4.0-48-lowlatency x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: MATE Date: Sun Sep 27 16:11:22 2020 DisplayManager: lightdm InstallationDate: Installed on 2018-05-05 (875 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) RelatedPackageVersions: mutter-common 3.36.4-0ubuntu0.20.04.2 ShellJournal: -- Logs begin at Thu 2020-09-24 18:12:38 EDT, end at Sun 2020-09-27 16:18:05 EDT. -- -- No entries -- SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1897478/+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