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Date: Tue, 18 Aug 2026 20:13:15 -0300
From: Antonio Terceiro &lt;terceiro@debian.org&gt;
To: submit@bugs.debian.org
Subject: booth: autopkgtest fails under incus-lxc: Aug 14 20:52:10
 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Could not set priority
 -2147483648: Permission denied (13)
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Source: booth
Version: 1.2-3
Severity: important
Justification: fails autopkgtest on Debian CI infrastructure
Tags: forky sid
User: debian-ci@lists.debian.org
Usertags: lxc

Hi,

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

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

&gt; =C3=97 corosync.service - Corosync Cluster Engine
&gt; Loaded: loaded (/usr/lib/systemd/system/corosync.service; enabled; preset=
: enabled)
&gt; Drop-In: /run/systemd/system/service.d
&gt; =E2=94=94=E2=94=80zzz-lxc-service.conf
&gt; Active: failed (Result: exit-code) since Fri 2026-08-14 20:52:14 UTC; 8ms=
 ago
&gt; Invocation: dae728dc35cb4e0ab95eb8e3ad73ced8
&gt; Docs: man:corosync
&gt; man:corosync.conf
&gt; man:corosync_overview
&gt; Process: 4185 ExecStart=3D/usr/sbin/corosync -f $COROSYNC_OPTIONS (code=
=3Dexited, status=3D15)
&gt; Main PID: 4185 (code=3Dexited, status=3D15)
&gt; Mem peak: 9.7M
&gt; CPU: 16ms
&gt;=20
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [TOTEM ] Initi=
alizing transport (Kronosnet).
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [TOTEM ] knet_=
handle_new failed: File name too long (36)
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [KNET  ] trans=
port: Failed to set socket buffer via force option 33: Operation not permit=
ted
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [KNET  ] trans=
port: Unable to set local socketpair receive buffer: File name too long
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [KNET  ] handl=
e: Unable to initialize internal dstsockpair: File name too long
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [MAIN  ] Can't=
 initialize TOTEM layer
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq corosync[4185]:   [MAIN  ] Coros=
ync Cluster Engine exiting with status 15 at main.c:1619.
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Ma=
in process exited, code=3Dexited, status=3D15/n/a
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Fa=
iled with result 'exit-code'.
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq systemd[1]: Failed to start coro=
sync.service - Corosync Cluster Engine.
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq systemd[1]: Starting corosync.se=
rvice - Corosync Cluster Engine...
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq (corosync)[3558]: corosync.servi=
ce: Referenced but unset environment variable evaluates to an empty string:=
 COROSYNC_OPTIONS
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Coros=
ync Cluster Engine 3.1.10 starting up
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Coros=
ync built-in features: dbus monitoring watchdog augeas systemd xmlconf vqsi=
m nozzle snmp pie relro bindnow
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Can't=
 close cgroups tasks file
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Could=
 not set SCHED_RR at priority 99: Operation not permitted (1)
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Could=
 not set priority -2147483648: Permission denied (13)
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Could=
 not increase RLIMIT_MEMLOCK, not locking memory: Operation not permitted (=
1)
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [TOTEM ] Initi=
alizing transport (Kronosnet).
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [TOTEM ] knet_=
handle_new failed: File name too long (36)
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [KNET  ] trans=
port: Failed to set socket buffer via force option 33: Operation not permit=
ted
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [KNET  ] trans=
port: Unable to set local socketpair receive buffer: File name too long
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [KNET  ] handl=
e: Unable to initialize internal dstsockpair: File name too long
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Can't=
 initialize TOTEM layer
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq corosync[3558]:   [MAIN  ] Coros=
ync Cluster Engine exiting with status 15 at main.c:1619.
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Ma=
in process exited, code=3Dexited, status=3D15/n/a
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Fa=
iled with result 'exit-code'.
&gt; Aug 14 20:52:10 autopkgtest-incus-fxzwpq systemd[1]: Failed to start coro=
sync.service - Corosync Cluster Engine.
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq systemd[1]: Starting corosync.se=
rvice - Corosync Cluster Engine...
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq (corosync)[4033]: corosync.servi=
ce: Referenced but unset environment variable evaluates to an empty string:=
 COROSYNC_OPTIONS
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Coros=
ync Cluster Engine 3.1.10 starting up
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Coros=
ync built-in features: dbus monitoring watchdog augeas systemd xmlconf vqsi=
m nozzle snmp pie relro bindnow
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Can't=
 close cgroups tasks file
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Could=
 not set SCHED_RR at priority 99: Operation not permitted (1)
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Could=
 not set priority -2147483648: Permission denied (13)
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Could=
 not increase RLIMIT_MEMLOCK, not locking memory: Operation not permitted (=
1)
&gt; Aug 14 20:52:12 autopkgtest-incus-fxzwpq corosync[4033]:   [TOTEM ] Initi=
alizing transport (Kronosnet).
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [TOTEM ] knet_=
handle_new failed: File name too long (36)
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [KNET  ] trans=
port: Failed to set socket buffer via force option 33: Operation not permit=
ted
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [KNET  ] trans=
port: Unable to set local socketpair receive buffer: File name too long
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [KNET  ] handl=
e: Unable to initialize internal dstsockpair: File name too long
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Can't=
 initialize TOTEM layer
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq corosync[4033]:   [MAIN  ] Coros=
ync Cluster Engine exiting with status 15 at main.c:1619.
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Ma=
in process exited, code=3Dexited, status=3D15/n/a
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq systemd[1]: corosync.service: Fa=
iled with result 'exit-code'.
&gt; Aug 14 20:52:13 autopkgtest-incus-fxzwpq systemd[1]: Failed to start coro=
sync.service - Corosync Cluster Engine.
&gt; Aug 14 20:52:14 autopkgtest-incus-fxzwpq systemd[1]: Starting corosync.se=
rvice - Corosync Cluster Engine...


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, booth 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.

--kiL/wJLBWRoHALUW
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