*** This bug is a duplicate of bug 1889250 ***
https://bugs.launchpad.net/bugs/1889250
I am also facing the same problem however, i do not see nodejs package
installed in the machine : Please find the logs below :
MarkInstall python-is-python2:amd64 < none -> 2.7.17-4 @un uN Ib > FU=1
Installing python2 as Depends of python-is-python2
MarkInstall python2:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib > FU=0
Installing python2-minimal as PreDepends of python2
MarkInstall python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib >
FU=0
Removing: python-minimal
MarkDelete python-minimal:amd64 < 2.7.15~rc1-1 @ii mK > FU=0
Installing libpython2-stdlib as Depends of python2
MarkInstall libpython2-stdlib:amd64 < none -> 2.7.17-2ubuntu4 @un uN Ib >
FU=0
Removing: libpython-stdlib
MarkDelete libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii mK > FU=0
Removing: python
MarkDelete python:amd64 < 2.7.15~rc1-1 @ii mK Ib > FU=0
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) python-dev:amd64 < 2.7.15~rc1-1 @ii mK Ib >
Broken python-dev:amd64 Depends on python:amd64 < 2.7.15~rc1-1 @ii gR > (=
2.7.15~rc1-1)
Considering python:amd64 11 as a solution to python-dev:amd64 21
Added python:amd64 to the remove list
Fixing python-dev:amd64 via keep of python:amd64
MarkKeep python:amd64 < 2.7.15~rc1-1 @ii gR > FU=0
Investigating (0) python:amd64 < 2.7.15~rc1-1 @ii gK Ib >
Broken python:amd64 PreDepends on python-minimal:amd64 < 2.7.15~rc1-1 @ii gR >
(= 2.7.15~rc1-1)
Considering python-minimal:amd64 0 as a solution to python:amd64 11
Added python-minimal:amd64 to the remove list
Broken python:amd64 Depends on libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gR >
(= 2.7.15~rc1-1)
Considering libpython-stdlib:amd64 0 as a solution to python:amd64 11
Added libpython-stdlib:amd64 to the remove list
"/var/log/dist-upgrade/apt.log" 3758L, 346185C
Considering python-minimal:amd64 0 as a solution to python:amd64 11
Added python-minimal:amd64 to the remove list
Broken python:amd64 Depends on libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gR >
(= 2.7.15~rc1-1)
Considering libpython-stdlib:amd64 0 as a solution to python:amd64 11
Added libpython-stdlib:amd64 to the remove list
Fixing python:amd64 via keep of python-minimal:amd64
MarkKeep python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > FU=0
Fixing python:amd64 via keep of libpython-stdlib:amd64
MarkKeep libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gR > FU=0
Investigating (0) libpython2-stdlib:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
Broken libpython2-stdlib:amd64 Breaks on libpython-stdlib:amd64 < 2.7.15~rc1-1
@ii gK > (< 2.7.15-2)
Considering libpython-stdlib:amd64 0 as a solution to libpython2-stdlib:amd64
1
Added libpython-stdlib:amd64 to the remove list
Fixing libpython2-stdlib:amd64 via remove of libpython-stdlib:amd64
MarkDelete libpython-stdlib:amd64 < 2.7.15~rc1-1 @ii gK > FU=0
Investigating (0) python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
Broken python2:amd64 Breaks on python:amd64 < 2.7.15~rc1-1 @ii gK Ib > (<
2.7.15-2)
Considering python:amd64 11 as a solution to python2:amd64 1
MarkKeep python2:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib > FU=0
Holding Back python2:amd64 rather than change python:amd64
Investigating (0) python2-minimal:amd64 < none -> 2.7.17-2ubuntu4 @un umN Ib >
Broken python2-minimal:amd64 Breaks on python-minimal:amd64 < 2.7.15~rc1-1 @ii
gK > (< 2.7.15-2)
Considering python-minimal:amd64 0 as a solution to python2-minimal:amd64 1
Added python-minimal:amd64 to the remove list
Fixing python2-minimal:amd64 via remove of python-minimal:amd64
MarkDelete python-minimal:amd64 < 2.7.15~rc1-1 @ii gK > FU=0
Investigating (1) python-is-python2:amd64 < none -> 2.7.17-4 @un pumN Ib >
Broken python-is-python2:amd64 Depends on python2:amd64 < none |
2.7.17-2ubuntu4 @un umH >
Considering python2:amd64 1 as a solution to python-is-python2:amd64 9999
Re-Instated python2:amd64
Broken python-is-python2:amd64 Breaks on python:amd64 < 2.7.15~rc1-1 @ii gK Ib >
Reinst Failed because of python:amd64
MarkKeep python-opengl:amd64 < 3.1.0+dfsg-1 -> 3.1.0+dfsg-2build1 @ii umU Ib
> FU=0
Removing python-opengl:amd64 rather than change python-ctypes:amd64
MarkDelete python-opengl:amd64 < 3.1.0+dfsg-1 | 3.1.0+dfsg-2build1 @ii umH Ib
> FU=0
Investigating (2) libc6-dbg:amd64 < 2.27-3ubuntu1.4 | 2.31-0ubuntu9.1 @ii umH
Ib >
Broken libc6-dbg:amd64 Depends on libc6:amd64 < 2.27-3ubuntu1.4 ->
2.31-0ubuntu9.1 @ii umU IPb > (= 2.27-3ubuntu1.4)
Considering libc6:amd64 17228 as a solution to libc6-dbg:amd64 0
Re-Instated libc6-dbg:amd64
Investigating (2) ros-melodic-image-proc:amd64 < 1.15.0-1bionic.20200530.124945
@ii mK Ib >
Broken ros-melodic-image-proc:amd64 Depends on ros-melodic-cv-bridge:amd64 <
1.13.0-0bionic.20200530.112157 @ii mR >
Considering ros-melodic-cv-bridge:amd64 9999 as a solution to
ros-melodic-image-proc:amd64 0
Removing ros-melodic-image-proc:amd64 rather than change
ros-melodic-cv-bridge:amd64
MarkDelete ros-melodic-image-proc:amd64 < 1.15.0-1bionic.20200530.124945 @ii
mK Ib > FU=0
Investigating (2) krb5-user:amd64 < 1.16-2ubuntu0.2 | 1.17-6ubuntu4.1 @ii umH
Ib >
Broken krb5-user:amd64 Depends on libkrb5-3:amd64 < 1.16-2ubuntu0.2 ->
1.17-6ubuntu4.1 @ii umU > (= 1.16-2ubuntu0.2)
Considering libkrb5-3:amd64 45 as a solution to krb5-user:amd64 0
Re-Instated krb5-user:amd64
Investigating (2) ros-melodic-image-pipeline:amd64 <
1.15.0-1bionic.20200530.134814 @ii mK Ib >
Broken ros-melodic-image-pipeline:amd64 Depends on ros-melodic-image-proc:amd64
< 1.15.0-1bionic.20200530.124945 @ii mR >
Considering ros-melodic-image-proc:amd64 9999 as a solution to
ros-melodic-image-pipeline:amd64 -1
Removing ros-melodic-image-pipeline:amd64 rather than change
ros-melodic-image-proc:amd64
MarkDelete ros-melodic-image-pipeline:amd64 < 1.15.0-1bionic.20200530.134814
@ii mK Ib > FU=0
Investigating (2) libboost-python1.65-dev:amd64 < 1.65.1+dfsg-0ubuntu5 @ii mK
Ib >
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
This was likely caused by:
* Unofficial software packages not provided by Ubuntu
Please use the tool 'ppa-purge' from the ppa-purge
package to remove software from a Launchpad PPA and
try the upgrade again.
If none of this applies, then please report this bug using the
command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If
you want to investigate this yourself the log files in
'/var/log/dist-upgrade' will contain details about the upgrade.
Specifically, look at 'main.log' and 'apt.log'.
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree
Reading state information... Done
Can someone suggest how to deal with it.
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https://bugs.launchpad.net/bugs/1899058
Title:
upgrade fails
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