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
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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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+bug/1873731/+subscriptions
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