Public bug reported: lsb_release -rd Description: Ubuntu 20.04 LTS Release: 20.04
$apt-cache policy gcc-10-base gcc-10-base: Installed: 10-20200416-0ubuntu1~18.04 Candidate: 10-20200416-0ubuntu1~18.04 Version table: *** 10-20200416-0ubuntu1~18.04 100 100 /var/lib/dpkg/status 10-20200411-0ubuntu1 500 500 http://repo.isra.edu.pk/ubuntu focal/main amd64 Packages I have upgrade from ubuntu 18.04. most libraries are not upgraded i.e GCC-10-base. multiple libraries are not installed and when I try to install them. error will generate that GCC-10-base 2020-04 required but 18.04 is installed. I have remove all absolute packages and replace all packages. when I try to remove GCC-10-base or reinstall then the error is generated. multiple packages have broken during up-gradation. ``` reading package lists... Done Building dependency tree Reading state information... Done Reinstallation of gcc-10-base is not possible, it cannot be downloaded. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.``` ``` The following packages have unmet dependencies: libfcl-dev : Depends: libflann-dev but it is not going to be installed E: Unable to correct problems, you have held broken packages. ``` I have continued to add missing packages in the list. but at the end following the problem raises. ``` sudo apt install gcc-10-base libgcc-10-dev gcc-10 libgfortran-10-dev libgfortran5 gfortran-10 libhdf5-openmpi-103 libopenmpi-dev libopenmpi-dev libhdf5-openmpi-dev mpi-default-dev libhdf5-mpi-dev libflann-dev libfcl-dev Reading package lists... Done Building dependency tree Reading state information... Done gcc-10-base is already the newest version (10-20200416-0ubuntu1~18.04). Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: gcc-10 : Depends: cpp-10 (= 10-20200411-0ubuntu1) but it is not going to be installed Depends: gcc-10-base (= 10-20200411-0ubuntu1) but 10-20200416-0ubuntu1~18.04 is to be installed gfortran-10 : Depends: gcc-10-base (= 10-20200411-0ubuntu1) but 10-20200416-0ubuntu1~18.04 is to be installed libgcc-10-dev : Depends: gcc-10-base (= 10-20200411-0ubuntu1) but 10-20200416-0ubuntu1~18.04 is to be installed Depends: libasan6 (>= 10-20200411-0ubuntu1) but it is not going to be installed libgfortran-10-dev : Depends: gcc-10-base (= 10-20200411-0ubuntu1) but 10-20200416-0ubuntu1~18.04 is to be installed libgfortran5 : Depends: gcc-10-base (= 10-20200411-0ubuntu1) but 10-20200416-0ubuntu1~18.04 is to be installed E: Unable to correct problems, you have held broken packages. ``` I am going to remove but ubuntu say ``` sudo apt remove gcc-10-base Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libgcc-s1 : Depends: gcc-10-base (= 10-20200416-0ubuntu1~18.04) but it is not going to be installed libxml2 : Depends: libicu66 (>= 66.1-1~) but it is not going to be installed E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. $sudo apt install doxygen Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libxapian30 Suggested packages: doxygen-latex doxygen-doc doxygen-gui graphviz xapian-tools The following NEW packages will be installed: doxygen libxapian30 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 661 kB/10.3 MB of archives. After this operation, 46.1 MB of additional disk space will be used. Do you want to continue? [Y/n] y Err:1 http://repo.isra.edu.pk/ubuntu focal/universe amd64 libxapian30 amd64 1.4.14-2 404 Not Found [IP: 121.52.154.237 80] E: Failed to fetch http://repo.isra.edu.pk/ubuntu/pool/universe/x/xapian-core/libxapian30_1.4.14-2_amd64.deb 404 Not Found [IP: 121.52.154.237 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? ``` I expected after degradation all packages must upgrade into ubuntu 20.04. but multiple packages have not upgraded even I have replaced all packages and remove all old and absolute packages. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: ubuntu-release-upgrader-core 1:20.04.18 ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30 Uname: Linux 5.4.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Mon Apr 20 10:09:49 2020 InstallationDate: Installed on 2020-02-12 (67 days ago) InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: release-upgrade UpgradeStatus: Upgraded to focal on 2020-04-19 (0 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade focal third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1873731 Title: i have upgrade from ubuntu 18.04 . most libraries are not upgrade i.e gcc-10-base. multiple library are not install and when i try to install them. error will generate that gcc-10-base 2020-04 required but 18.04 is install. i have remove all absolute packages and replace all package. when i try to remove gcc-10-base or reinstall then error are generated. multiple package have broken during up-gradation. 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