IF that can help, I can reproduce the issue, with the snap working with
a user and failing with another one.
Setup a fresh Ubuntu Server 22 in a VirtualBox hosted on Windows (but I
also reproduce the issue on a dedicated server). No extra packages apart
from an SSH server.
Once Ubuntu is available, run:
# Install Chromium
$ sudo snap install chromium
(...)
# Launch Chromium (okay, just print its version)
$ chromium --version
Chromium 108.0.5359.124 snap
# Create another user
$ sudo adduser otheruser
(...)
# Log as the new user
$ sudo su otheruser
# I expect Chromium to be available for this new user but...
$ chromium --version
/user.slice/user-1000.slice/session-3.scope is not a snap cgroup
In the last error message, 1000 is the id of the initial user, the first user
who installed Chromium and who can run it. Not the id of otheruser, the new
user who can’t run Chromium.
When running SNAPD_DEBUG=1 snap run chromium, with the initial user
(success):
$ SNAPD_DEBUG=1 snap run chromium
2022/12/27 19:28:50.299534 tool_linux.go:204: DEBUG: restarting into
"/snap/snapd/current/usr/bin/snap"
2022/12/27 19:28:50.317267 logger.go:184: DEBUG: -- snap startup
{"stage":"start", "time":"1672169330.317265"}
2022/12/27 19:28:50.322615 cmd_run.go:1037: DEBUG: executing snap-confine from
/snap/snapd/17883/usr/lib/snapd/snap-confine
2022/12/27 19:28:50.323853 cmd_run.go:440: DEBUG: SELinux not enabled
2022/12/27 19:28:50.324980 tracking.go:46: DEBUG: creating transient scope
snap.chromium.chromium
2022/12/27 19:28:50.326309 tracking.go:186: DEBUG: using session bus
(...)
With otheruser (failure):
otherphil@ubuntu-22:/home/philippe$ SNAPD_DEBUG=1 snap run chromium
2022/12/27 19:27:01.059280 tool_linux.go:204: DEBUG: restarting into
"/snap/snapd/current/usr/bin/snap"
2022/12/27 19:27:01.075310 logger.go:184: DEBUG: -- snap startup
{"stage":"start", "time":"1672169221.075289"}
2022/12/27 19:27:01.082983 cmd_run.go:1037: DEBUG: executing snap-confine from
/snap/snapd/17883/usr/lib/snapd/snap-confine
2022/12/27 19:27:01.083514 cmd_run.go:440: DEBUG: SELinux not enabled
2022/12/27 19:27:01.083753 tracking.go:46: DEBUG: creating transient scope
snap.chromium.chromium
2022/12/27 19:27:01.083813 tracking.go:189: DEBUG: session bus is not
available: cannot find session bus
2022/12/27 19:27:01.083818 cmd_run.go:1224: DEBUG: snapd cannot track the
started application
2022/12/27 19:27:01.083822 cmd_run.go:1225: DEBUG: snap refreshes will not be
postponed by this process
(...)
So the first diff is on "session bus is not available: cannot find
session bus".
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1951491
Title:
Can't run snaps: .slice/session-1.scope is not a snap cgroup
Status in X2Go:
New
Status in Xpra Terminal Server:
New
Status in snapd package in Ubuntu:
Confirmed
Status in systemd package in Ubuntu:
Incomplete
Status in x2goserver package in Ubuntu:
Confirmed
Status in snapd package in Debian:
New
Bug description:
I just upgraded from hirsute to impish using do-release-upgrade. On
the upgraded system, I can't run either firefox or chromium (both of
which worked fine under hirsute). Both fail with:
/user.slice/user-NNN.slice/session-1.scope is not a snap cgroup where
NNN is my uid
With firefox, I was able to fix the problem with:
snap remove --purge firefox
apt purge firefox
apt install firefox
Now firefox works. But I tried the same thing substituting chromium-
browser for firefox, and it didn't help: chromium fails with the same
error message.
I guess there must be something left over from the hirsute version of
snapd that isn't getting noticed or cleared by the impish version?
Someone suggested this might be related to bug 1850667, but that bug
is marked fixed as of a couple months ago, and I just did this upgrade
today. Also, it doesn't mention the error message I'm seeing.
ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: snapd 2.53+21.10ubuntu1
ProcVersionSignature: Ubuntu 5.13.0-21.21-generic 5.13.18
Uname: Linux 5.13.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Thu Nov 18 18:12:45 2021
InstallationDate: Installed on 2020-04-29 (568 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: snapd
UpgradeStatus: Upgraded to impish on 2021-11-18 (0 days ago)
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