Public bug reported: On Ubuntu 26.10 Stonking doing upgrade i heve the following error messages from dpkg:
corrado@corrado-n8-ss-0424:~$ sudo apt update && sudo apt full-upgrade [sudo: authenticate] Password: Hit:1 http://archive.ubuntu.com/ubuntu stonking InRelease Hit:2 http://security.ubuntu.com/ubuntu stonking-security InRelease Hit:3 http://archive.ubuntu.com/ubuntu stonking-updates InRelease Hit:4 http://archive.ubuntu.com/ubuntu stonking-backports InRelease Hit:5 http://archive.ubuntu.com/ubuntu stonking-proposed InRelease 1 package can be upgraded. Run 'apt list --upgradable' to see it. Upgrading: firefox Summary: Upgrading: 1, Installing: 0, Removing: 0, Not Upgrading: 0 29 not fully installed or removed. Download size: 0 B / 68.3 kB Freed space: 8,192 B Continue? [Y/n] Preconfiguring packages ... (Reading database… 236414 files and directories currently installed.) Preparing to unpack …/firefox_1%3a1snap1-0ubuntu9_amd64.deb… => Installing the firefox snap ==> Checking connectivity with the snap store ==> Installing the firefox snap error: cannot install "firefox_beta": feature flag validation failed for snap "firefox_beta": experimental feature disabled - test it by setting 'experimental.parallel-instances' to true dpkg: error processing archive /var/cache/apt/archives/firefox_1%3a1snap1-0ubuntu9_amd64.deb (--unpack): new firefox package preinst maintainer script subprocess failed with exit status 1 Errors were encountered while processing: /var/cache/apt/archives/firefox_1%3a1snap1-0ubuntu9_amd64.deb Error: Sub-process /usr/bin/dpkg returned an error code (1) corrado@corrado-n8-ss-0424:~$ see also: https://discourse.ubuntu.com/t/ubuntu-26-10-stonking/81386/6 ProblemType: Bug DistroRelease: Ubuntu 26.10 Package: firefox 1:1snap1-0ubuntu8 ProcVersionSignature: Ubuntu 7.0.0-14.14-generic 7.0.0 Uname: Linux 7.0.0-14-generic x86_64 ApportVersion: 2.34.0-0ubuntu2 Architecture: amd64 CasperMD5CheckMismatches: ./boot/grub/i386-pc/eltorito.img CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME Date: Sun Jun 7 07:09:55 2026 InstallationDate: Installed on 2026-03-27 (72 days ago) InstallationMedia: Ubuntu 26.04 "Resolute Raccoon" - Daily amd64 (20260325) ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> SnapChanges: ID Status Spawn Ready Summary 44 Done 2026-06-06T08:43:59+02:00 2026-06-06T08:44:32+02:00 Refresh snaps "firefox", "thunderbird" 45 Done 2026-06-07T07:03:44+02:00 2026-06-07T07:03:58+02:00 Auto-refresh snap "firefox" SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: firefox (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug stonking wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2155791 Title: dpkg: error processing archive /var/cache/apt/archives/firefox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/2155791/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
