Bug#996876: systemd bogus(?) remounts since upgrade to 249.5-1

10dmar10 10dmar10 at gmail.com
Wed Oct 20 07:51:44 BST 2021 

Package: systemd
Version: 249.5-1
Severity: normal

Hi,

I noticed since upgrade to systemd 249.5-1 on 2021-10-15 following
remount warnings in my log files, usually when some service is started.

While there are no problems caused by this behavior so far (besides spamming into log a lot),
I assume it is unintended and may indicate some underlying problem.


log snippets:

Okt 17 23:54:14 tetranode systemd[1]: Starting Network Name Resolution...
Okt 17 23:54:14 tetranode systemd[1]: Starting Network Time Synchronization...
Okt 17 23:54:14 tetranode systemd[1]: Starting Record System Boot/Shutdown in UTMP...
Okt 17 23:54:14 tetranode systemd[1]: Finished Record System Boot/Shutdown in UTMP.
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/lib/systemd/timesync supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)                              Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/lib/systemd/timesync supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:54:14 tetranode systemd[1]: Started Network Time Synchronization.
Okt 17 23:54:14 tetranode systemd[1]: Reached target System Initialization.


Okt 17 23:57:49 tetranode dbus-daemon[575]: [system] Activating via systemd: service name='org.freedesktop.UPower' unit='upower.service' requested by ':1.27' (uid=1000 pid=2052 comm="/usr/lib/chromium/chromium --show-component-extens")
Okt 17 23:57:50 tetranode systemd[1]: Starting Daemon for power management...
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/lib/upower supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/lib/upower supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:50 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 17 23:57:51 tetranode dbus-daemon[575]: [system] Successfully activated service 'org.freedesktop.UPower'
Okt 17 23:57:51 tetranode systemd[1]: Started Daemon for power management.


Okt 18 01:01:44 tetranode dbus-daemon[1282]: [session uid=1000 pid=1280] Successfully activated service 'org.gtk.vfs.UDisks2VolumeMonitor'
Okt 18 01:01:44 tetranode dbus-daemon[575]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.38' (uid=1000 pid=2421 comm="/usr/bin/transmission-gtk")
Okt 18 01:01:44 tetranode systemd[1]: Starting Hostname Service...
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/etc supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/etc supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 01:01:45 tetranode dbus-daemon[575]: [system] Successfully activated service 'org.freedesktop.hostname1'
Okt 18 01:01:45 tetranode systemd[1]: Started Hostname Service.
Okt 18 01:01:49 tetranode dbus-daemon[1282]: [session uid=1000 pid=1280] Activating service name='ca.desrt.dconf' requested by ':1.16' (uid=1000 pid=2421 comm="/usr/bin/transmission-gtk")
Okt 18 01:01:49 tetranode dbus-daemon[1282]: [session uid=1000 pid=1280] Successfully activated service 'ca.desrt.dconf'
Okt 18 01:02:15 tetranode systemd[1]: systemd-hostnamed.service: Deactivated successfully.


Okt 18 06:18:48 tetranode dbus-daemon[575]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.60' (uid=1000 pid=2052 comm="/usr/lib/chromium/chromium --show-component-extens")
Okt 18 06:18:48 tetranode systemd[1]: Starting Hostname Service...
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/etc supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/etc supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode kernel: xfs filesystem being remounted at /run/systemd/unit-root/var/tmp supports timestamps until 2038 (0x7fffffff)
Okt 18 06:18:48 tetranode dbus-daemon[575]: [system] Successfully activated service 'org.freedesktop.hostname1'
Okt 18 06:18:48 tetranode systemd[1]: Started Hostname Service.
Okt 18 06:19:18 tetranode systemd[1]: systemd-hostnamed.service: Deactivated successfully.


fstab:

# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>               <dump>  <pass>
proc        /proc           proc         defaults                   0       0
/dev/sda3   /               xfs          defaults,noatime           0       1
/dev/sda1   /boot           ext2         defaults,noatime           0       2
/dev/sda2   none            swap         sw                         0       0
/dev/sda4   /mnt/hive       xfs          defaults,noatime           0       2

/dev/sr0    /mnt/bdrom      udf,iso9660  user,noauto                0       0

/dev/sdb1   /mnt/data_one    xfs      defaults,noatime          0       2
/dev/sdb2   /mnt/data_two    xfs      defaults,noatime          0       2
/dev/sdb3   /mnt/data_three  xfs      defaults,noatime          0       2

/dev/sdc1   /mnt/windoze_old  ntfs-3g      noauto,noatime,umask=022   0       0

/dev/sdd1   /mnt/sdd1       auto         user,noauto,noatime        0       0
/dev/sde1   /mnt/sde1       auto         user,noauto,noatime        0       0


df:

udev              6097888         0   6097888    0% /dev
tmpfs             1220904       924   1219980    1% /run
/dev/sda3       125775704  77557348  48218356   62% /
tmpfs             6104504     72140   6032364    2% /dev/shm
tmpfs                5120         4      5116    1% /run/lock
/dev/sda1           67714     51269     12832   80% /boot
/dev/sda4       846596444 638277284 208319160   76% /mnt/hive
/dev/sdb2      1073217536 743653164 329564372   70% /mnt/data_two
/dev/sdb1      1073216516 440114116 633102400   42% /mnt/data_one
/dev/sdb3       782399676 736590520  45809156   95% /mnt/data_three
tmpfs             1220900        28   1220872    1% /run/user/1000


-- Package-specific info:

-- System Information:
Debian Release: bookworm/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 5.14.3-zzz (SMP w/4 CPU threads)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  adduser          3.118
ii  libacl1          2.3.1-1
ii  libapparmor1     3.0.3-3
ii  libaudit1        1:3.0.6-1
ii  libblkid1        2.37.2-3
ii  libc6            2.32-4
ii  libcap2          1:2.44-1
ii  libcrypt1        1:4.4.25-2
ii  libcryptsetup12  2:2.4.1-1
ii  libgcrypt20      1.9.4-3+b1
ii  libgnutls30      3.7.2-2
ii  libgpg-error0    1.42-3
ii  libip4tc2        1.8.7-1
ii  libkmod2         29-1
ii  liblz4-1         1.9.3-2
ii  liblzma5         5.2.5-2
ii  libmount1        2.37.2-3
ii  libpam0g         1.4.0-10
ii  libseccomp2      2.5.2-2
ii  libselinux1      3.1-3
ii  libsystemd0      249.5-1
ii  libzstd1         1.4.8+dfsg-3
ii  mount            2.37.2-3
ii  util-linux       2.37.2-3

Versions of packages systemd recommends:
ii  dbus                             1.12.20-2
ii  systemd-timesyncd [time-daemon]  249.5-1

Versions of packages systemd suggests:
ii  policykit-1        0.105-31
pn  systemd-container  <none>

Versions of packages systemd is related to:
pn  dracut           <none>
ii  initramfs-tools  0.140
pn  libnss-systemd   <none>
ii  libpam-systemd   249.5-1
ii  udev             249.5-1

-- Configuration Files:
/etc/systemd/journald.conf changed:
[Journal]
SystemMaxUse=64M


-- no debconf information

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