Bug#932078: systemd: errors out starting docker: Failed to trim compat systemd cgroup [...]: Device or resource busy

[Moritz Lenz]

Package: systemd
Version: 241-5
Severity: normal

Dear Maintainer,

after an upgrade from stretch to buster, starting a systemd service
fails. It tries to start a docker container, and fails with

> > Failed to trim compat systemd cgroup
/system.slice/tau-alert.service: Device or resource busy

More information:

root at tina:~# systemctl cat tau-alert.service
# /etc/systemd/system/tau-alert.service
[Unit]
Description=tau-alert
After=docker.service
Requires=docker.service

[Service]
ExecStart=/usr/bin/systemd-docker run -p 127.0.0.1:10000:10000 --rm
--name %n moritzlenz/tau-alert
Restart=always
RestartSec=10s
Type=notify
NotifyAccess=all
TimeoutStartSec=120
TimeoutStopSec=15

[Install]
WantedBy=multi-user.target

root at tina:~# systemctl status tau-alert.service
● tau-alert.service - tau-alert
   Loaded: loaded (/etc/systemd/system/tau-alert.service; enabled;
vendor preset: enabled)
   Active: activating (auto-restart) (Result: exit-code) since Sun
2019-07-14 21:35:13 CEST; 3s ago
  Process: 22243 ExecStart=/usr/bin/systemd-docker run -p
127.0.0.1:10000:10000 --rm --name tau-alert.service moritzlenz/tau-alert
(code=exited,
 Main PID: 22243 (code=exited, status=1/FAILURE)

Jul 14 21:35:13 tina systemd[1]: tau-alert.service: Main process exited,
code=exited, status=1/FAILURE
Jul 14 21:35:13 tina systemd[1]: tau-alert.service: Failed with result
'exit-code'.
Jul 14 21:35:13 tina systemd[1]: Failed to start tau-alert.

root at tina:~# journalctl -xe|tail
-- The unit tau-alert.service has entered the 'failed' state with result
'exit-code'.
Jul 14 21:35:54 tina systemd[1]: Failed to trim compat systemd cgroup
/system.slice/tau-alert.service: Device or resource busy
Jul 14 21:35:54 tina systemd[1]: Failed to start tau-alert.
-- Subject: A start job for unit tau-alert.service has failed
-- Defined-By: systemd
-- Support: https://www.debian.org/support
--
-- A start job for unit tau-alert.service has finished with a failure.
--
-- The job identifier is 14130 and the job result is failed.


I have no idea how to debug this.


-- Package-specific info:

-- System Information:
Debian Release: 10.0
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-5-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages systemd depends on:
ii  adduser          3.118
ii  libacl1          2.2.53-4
ii  libapparmor1     2.13.2-10
ii  libaudit1        1:2.8.4-3
ii  libblkid1        2.33.1-0.1
ii  libc6            2.28-10
ii  libcap2          1:2.25-2
ii  libcryptsetup12  2:2.1.0-5
ii  libgcrypt20      1.8.4-5
ii  libgnutls30      3.6.7-4
ii  libgpg-error0    1.35-1
ii  libidn11         1.33-2.2
ii  libip4tc0        1.8.2-4
ii  libkmod2         26-1
ii  liblz4-1         1.8.3-1
ii  liblzma5         5.2.4-1
ii  libmount1        2.33.1-0.1
ii  libpam0g         1.3.1-5
ii  libseccomp2      2.3.3-4
ii  libselinux1      2.8-1+b1
ii  libsystemd0      241-5
ii  mount            2.33.1-0.1
ii  util-linux       2.33.1-0.1

Versions of packages systemd recommends:
ii  dbus            1.12.16-1
ii  libpam-systemd  241-5

Versions of packages systemd suggests:
pn  policykit-1        <none>
pn  systemd-container  <none>

Versions of packages systemd is related to:
pn  dracut           <none>
ii  initramfs-tools  0.133
ii  udev             241-5

-- no debconf information