Files
systemd/units/capsule@.service.in
Luca Boccassi b6cdaf4a3d units: let systemd user/capsule manage its own CPU/I/O pressure handling
With CPU/I/O accounting enabled, inherited pressure parameters prevent the
user manager from setting its own threshold, producing:

systemd[807]: Failed to adjust io pressure threshold, ignoring: Device or resource busy

Use CPU/IOPressureWatch=skip, as for memory pressure, so the user manager
and capsule manager configure monitoring for their own init.scope.

Follow-up for 9d03637404
2026-11-01 00:58:10 +00:00

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# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
[Unit]
Description=Capsule Service Manager for %i
Documentation=man:capsule@.service(5)
After=dbus.service systemd-oomd.service
[Service]
User=c-%i
DynamicUser=yes
Type=notify-reload
ExecStart={{LIBEXECDIR}}/systemd --user --unit=capsule@%i.target
Environment=HOME=/var/lib/capsules/%i
Environment=XDG_RUNTIME_DIR=/run/capsules/%i
StateDirectory=capsules/%i
RuntimeDirectory=capsules/%i
LogExtraFields=CAPSULE=%i
Slice=capsule.slice
# Reexecute the manager on service reload, instead of reloading.
# This provides a synchronous method for restarting all user manager
# instances after upgrade.
ReloadSignal=RTMIN+25
KillMode=mixed
Delegate=pids memory cpu
DelegateSubgroup=init.scope
TasksMax=infinity
TimeoutStopSec={{ DEFAULT_USER_TIMEOUT_SEC*4//3 }}s
KeyringMode=inherit
OOMScoreAdjust=100
MemoryPressureWatch=skip
CPUPressureWatch=skip
IOPressureWatch=skip