Public bug reported:
First I have upgraded update-manager-core update-manager python3-update-
manager to version 1:20.04.10.2 on my Focal LTS 20.04 machine
then after "apt update" update-manager shows up to propose the upgrade of the
system.
this windows is correctly displayed, but if I click on "upgrade" then a new
empty windows appear and do not show nothing and the process of upgrading is
stopped.
the only way to retrieve functionnality is to roll-back to version
1:20.04.10.1
"sudo apt install --reinstall update-manager-core=1:20.04.10.1 update-
manager=1:20.04.10.1 python3-update-manager=1:20.04.10.1"
then things are back to normal.
I have tested this process on Three focal machine with same results, so
it looks 1:20.04.10.2 clearly has a bug.
thanks for your continuous support. regards.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: update-manager 1:20.04.10.1
ProcVersionSignature: Ubuntu 5.4.0-59.65-generic 5.4.78
Uname: Linux 5.4.0-59-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Fri Jan 8 08:47:50 2021
GsettingsChanges:
b'com.ubuntu.update-manager' b'window-width' b'657'
b'com.ubuntu.update-manager' b'launch-count' b'235'
b'com.ubuntu.update-manager' b'first-run' b'false'
b'com.ubuntu.update-manager' b'launch-time' b'int64 1610131614'
b'com.ubuntu.update-manager' b'window-height' b'419'
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: Upgraded to focal on 2020-06-23 (199 days ago)
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages
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https://bugs.launchpad.net/bugs/1910803
Title:
update-manager display a blank window in version 1:20.04.10.2
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