Public bug reported:
I have a fresh focal installation that I was attempting to do an apt
dist-upgrade.
As part of the upgrade, it was hung here:
Setting up snapd (2.44~pre1+20.04) ...
Installing new version of config file
/etc/apparmor.d/usr.lib.snapd.snap-confine.real ...
Created symlink
/etc/systemd/system/multi-user.target.wants/snapd.recovery-chooser-trigger.service
→ /lib/systemd/system/snapd.recovery-chooser-trigger.service.
snapd.failure.service is a disabled or a static unit, not starting it.
snapd.snap-repair.service is a disabled or a static unit, not starting it.
I left the process for approximately 40 minutes with no activity. Checking the
process tree here is what was running:
root 3249 0.0 0.0 20196 4640 pts/1 S+ 14:58 0:00 | | \_
sudo apt dist-upgrade
root 3250 0.1 0.0 79972 58936 pts/1 S+ 14:58 0:03 | |
\_ apt dist-upgrade
root 10081 0.0 0.0 24544 8964 pts/0 Ss+ 15:15 0:00 | |
\_ /usr/bin/dpkg --status-fd 26 --configure --pending
root 19137 0.0 0.0 2600 1776 pts/0 S+ 15:15 0:00 | |
\_ /bin/sh /var/lib/dpkg/info/snapd.postinst configure
2.43.3+git1.8109f8
root 19217 0.0 0.0 20596 3604 pts/0 S+ 15:15 0:00 | |
\_ /bin/systemctl start snapd.autoimport.service
snapd.core-fixup.service snapd.recovery-chooser-trigger.service
root 19248 0.0 0.0 15668 5980 pts/0 S+ 15:15 0:00 | |
\_ /bin/systemd-tty-ask-password-agent --watch
I tried to kill process 19248, but it kept hanging.
root 3249 0.0 0.0 20196 4640 pts/1 S+ 14:58 0:00 | | \_
sudo apt dist-upgrade
root 3250 0.1 0.0 79972 58936 pts/1 S+ 14:58 0:03 | |
\_ apt dist-upgrade
root 10081 0.0 0.0 24544 8964 pts/0 Ss+ 15:15 0:00 | |
\_ /usr/bin/dpkg --status-fd 26 --configure --pending
root 19137 0.0 0.0 2600 1776 pts/0 S+ 15:15 0:00 | |
\_ /bin/sh /var/lib/dpkg/info/snapd.postinst configure
2.43.3+git1.8109f8
root 19217 0.0 0.0 20596 3604 pts/0 S+ 15:15 0:00 | |
\_ /bin/systemctl start snapd.autoimport.service
snapd.core-fixup.service snapd.recovery-chooser-trigger.service
root 19248 0.0 0.0 0 0 pts/0 Z+ 15:15 0:00 | |
\_ [systemd-tty-ask] <defunct>
So I killed process 19217, and then the postinst continued and upgrade
proceeded.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: snapd 2.44~pre1+20.04
ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
Uname: Linux 5.4.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu18
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 5 15:47:44 2020
InstallationDate: Installed on 2020-03-05 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200220)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: snapd
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.sudoers.d.99-snapd.conf: [inaccessible: [Errno 13]
Permission denied: '/etc/sudoers.d/99-snapd.conf']
** Affects: snapd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1866255
Title:
upgrading snapd hung
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