Added "set -x" to the prerm script at /var/lib/dpkg/info/avahi- dnsconfd.prerm for more verbose console output and re-ran apt update && apt upgrade and it looks like it's failing here:
deb-systemd-invoke stop avahi-daemon.socket ``` The following packages will be upgraded: avahi-dnsconfd 1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 0 B/14.1 kB of archives. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] (Reading database ... 459430 files and directories currently installed.) Preparing to unpack .../avahi-dnsconfd_0.6.32~rc+dfsg-1ubuntu2.1_amd64.deb ... + dpkg-maintscript-helper rm_conffile /etc/default/avahi-dnsconfd 0.6.26-1~ avahi-dnsconfd -- upgrade 0.6.32~rc+dfsg-1ubuntu2.1 + [ -d /run/systemd/system ] + deb-systemd-invoke stop avahi-daemon.socket Job for avahi-daemon.socket canceled. dpkg: warning: subprocess old pre-removal script returned error exit status 1 dpkg: trying script from the new package instead ... Job for avahi-daemon.socket canceled. dpkg: error processing archive /var/cache/apt/archives/avahi-dnsconfd_0.6.32~rc+dfsg-1ubuntu2.1_amd64.deb (--unpack): subprocess new pre-removal script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/avahi-dnsconfd_0.6.32~rc+dfsg-1ubuntu2.1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) ``` When run manually this command fails as well: ``` $ deb-systemd-invoke stop avahi-daemon.socket Job for avahi-daemon.socket canceled. $ deb-systemd-invoke status avahi-daemon.socket ● avahi-daemon.socket - Avahi mDNS/DNS-SD Stack Activation Socket Loaded: loaded (/lib/systemd/system/avahi-daemon.socket; enabled; vendor preset: enabled) Active: active (running) since Thu 2018-04-05 01:15:39 EDT; 22h ago Listen: /var/run/avahi-daemon/socket (Stream) Apr 05 01:15:39 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 22:50:26 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 22:50:26 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 22:50:26 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 23:20:31 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 23:20:31 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 23:20:31 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. Apr 05 23:21:29 MYCOMPUTER systemd[1]: Listening on Avahi mDNS/DNS-SD Stack Activation Socket. ``` -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to avahi in Ubuntu. https://bugs.launchpad.net/bugs/1563945 Title: package avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1 Status in avahi package in Ubuntu: Confirmed Bug description: interesting issues while updating packages this morning... ProblemType: Package DistroRelease: Ubuntu 16.04 Package: avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6 Uname: Linux 4.4.0-16-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20-0ubuntu3 Architecture: amd64 Date: Wed Mar 30 09:33:28 2016 DpkgTerminalLog: Removing avahi-discover (0.6.32~rc+dfsg-1ubuntu2) ... Removing avahi-dnsconfd (0.6.32~rc+dfsg-1ubuntu2) ... Job for avahi-daemon.socket canceled. dpkg: error processing package avahi-dnsconfd (--remove): subprocess installed pre-removal script returned error exit status 1 DuplicateSignature: Removing avahi-dnsconfd (0.6.32~rc+dfsg-1ubuntu2) ... Job for avahi-daemon.socket canceled. dpkg: error processing package avahi-dnsconfd (--remove): subprocess installed pre-removal script returned error exit status 1 ErrorMessage: subprocess installed pre-removal script returned error exit status 1 InstallationDate: Installed on 2016-01-06 (83 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.9 SourcePackage: avahi Title: package avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1563945/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
