There is such problem when using http://old- releases.ubuntu.com/releases/20.04/ubuntu-20.04-desktop-amd64.iso + focal-updates.
** Attachment added: "libgbm1.20.04+updates.log" https://bugs.launchpad.net/oem-priority/+bug/1908023/+attachment/5443334/+files/libgbm1.20.04+updates.log -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1908023 Title: Installing libgbm1 will make other packages removed Status in OEM Priority Project: Confirmed Status in mesa package in Ubuntu: New Bug description: 1) The release of Ubuntu you are using, via 'lsb_release -rd' or System -> About Ubuntu Ubuntu 20.04/20.04.1 2) The version of the package you are using, via 'apt-cache policy pkgname' or by checking in Software Center libgbm1/20.0.4-2ubuntu1 libgbm1/20.0.8-0ubuntu1~20.04.1 3) What you expected to happen Not so many packages will be removed when executing `apt-get --yes install libgbm1`. 4) What happened instead Executing `apt-get --yes install libgbm1` will make many other packages to be removed. To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1908023/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp