>From the log, looks like this hit a bug in debconf. Same issue appears
to crop up for other packages (e.g. LP: #1914964).
Setting up libpam-sss:amd64 (2.3.1-3ubuntu3) ...
Use of uninitialized value $ret in string eq at
/usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 134.
The code in question is:
sub capb
{
my $this=shift;
my $ret;
return $this->{capb} if exists $this->{capb};
($ret, $this->{capb}) = $this->talk('CAPB');
return $this->{capb} if $ret eq '0';
}
So apparently whatever $this->talk('CAPB') resolves to returned an
undefined value for $ret. A paper-over fix might be something like:
return $this->{capb} if defined $ret and $ret eq '0';
However, would be better to know what triggers the error condition since
there could be a deeper problem involved.
Anyway, thanks for reporting this defect in Ubuntu, hopefully there's
enough info for the debconf maintainers to take it from here.
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https://bugs.launchpad.net/bugs/1914875
Title:
Use of uninitialized value $ret in string eq at
/usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 134.
Status in debconf package in Ubuntu:
Confirmed
Status in glibc package in Ubuntu:
Invalid
Status in sssd package in Ubuntu:
Invalid
Status in tzdata package in Ubuntu:
Invalid
Bug description:
Some error message popped up. Everything seems normal still.
ProblemType: Package
DistroRelease: Ubuntu 20.10
Package: libpam-sss:amd64 2.3.1-3ubuntu3
ProcVersionSignature: Ubuntu 5.8.0-41.46-generic 5.8.18
Uname: Linux 5.8.0-41-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.5
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sat Feb 6 16:42:33 2021
DuplicateSignature:
package:libpam-sss:amd64:2.3.1-3ubuntu3
Setting up libpam-sss:amd64 (2.3.1-3ubuntu3) ...
Use of uninitialized value $ret in string eq at
/usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 134.
dpkg: error processing package libpam-sss:amd64 (--configure):
installed libpam-sss:amd64 package post-installation script subprocess
returned error exit status 128
ErrorMessage: installed libpam-sss:amd64 package post-installation script
subprocess returned error exit status 128
InstallationDate: Installed on 2020-12-14 (54 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
Python3Details: /usr/bin/python3.8, Python 3.8.6, python3-minimal,
3.8.6-0ubuntu1
PythonDetails: N/A
RelatedPackageVersions:
dpkg 1.20.5ubuntu2
apt 2.1.10ubuntu0.2
SourcePackage: sssd
Title: package libpam-sss:amd64 2.3.1-3ubuntu3 failed to install/upgrade:
installed libpam-sss:amd64 package post-installation script subprocess returned
error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)
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