Source: collectd
Version: 5.12.0-28
Severity: important
Justification: fails autopkgtest on Debian CI infrastructure
Tags: forky sid
User: [email protected]
Usertags: lxc

Hi,

Debian CI is switching away from lxc containers in favor of incus Containers.
This is motivated by security concerns from us; incus is based on lxc, but
orchestrates containers substantially different: containers are not privileged
(so root in the container is not uid 0 outside of it, and incus imposes a
stricter isolation from the host system.

collectd passes its tests under lxc, but fails under incus.
The relevant part of the failure is (hopefully):

> Setting up libharfbuzz0b:amd64 (12.3.2-2+b2) ...
> Setting up libfontconfig1:amd64 (2.17.1-5) ...
> Setting up fontconfig (2.17.1-5) ...
> Regenerating fonts cache... done.
> Setting up libpango-1.0-0:amd64 (1.58.0-1) ...
> Setting up libpsl5t64:amd64 (0.23.1-1) ...
> Setting up libcairo2:amd64 (1.18.4-3+b1) ...
> Setting up libpangoft2-1.0-0:amd64 (1.58.0-1) ...
> Setting up libpangocairo-1.0-0:amd64 (1.58.0-1) ...
> Setting up libcurl4t64:amd64 (8.21.0-2) ...
> Setting up librrd8t64:amd64 (1.9.0-2.1+b1) ...
> Setting up curl (8.21.0-2) ...
> Setting up collectd (5.12.0-28+b1) ...
> Job for collectd.service failed because the control process exited with error 
> code.
> See "systemctl status collectd.service" and "journalctl -xeu 
> collectd.service" for details.
> invoke-rc.d: initscript collectd, action "restart" failed.
> ● collectd.service - Statistics collection and monitoring daemon
> Loaded: loaded (/usr/lib/systemd/system/collectd.service; enabled; preset: 
> enabled)
> Drop-In: /run/systemd/system/service.d
> └─zzz-lxc-service.conf
> Active: activating (auto-restart) (Result: exit-code) since Fri 2026-08-14 
> 21:12:33 UTC; 34ms ago
> Invocation: 7d5a1f562c5d4b1d9b2c860e1d99a512
> Docs: man:collectd(1)
> man:collectd.conf(5)
> https://collectd.org
> Process: 2239 ExecStartPre=/usr/sbin/collectd -t (code=exited, 
> status=0/SUCCESS)
> Process: 2241 ExecStart=/usr/sbin/collectd (code=exited, status=1/FAILURE)
> Main PID: 2241 (code=exited, status=1/FAILURE)
> Mem peak: 2M
> CPU: 15ms
> dpkg: error processing package collectd (--configure):
> old collectd package postinst maintainer script subprocess failed with exit 
> status 1


The full autokpgtest logs are available at:
https://ci.debian.net/experiments/8/regressions/
(please beware of pagination)

Common types of failure and suggested fixes are being documented at:
https://wiki.debian.org/ContinuousIntegration/LxcToIncus

Note that for the time being, collectd is still being tested under lxc to
avoid disturbing its testing migration test results.

If you decide to add the `isolation-machine` restriction to get this package
tested under qemu, please mention that explicitly when closing this bug (it's
fine to do that only in the package changelog entry that closes the bug) so
that we can configure your package for qemu on ci.debian.net.

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