Public bug reported:
In a fresh install of Ubuntu Server 18.04.1 LTS with the /var-Filesystem
on a separate partition (LVM), there are Errors on shutdown/reboot
(Failed unmounting /var).
1) The release
Release: Ubuntu 18.04.1 LTS
2) The version
Version:apt-cache policy systemd
systemd: Installed: 237-3ubuntu10.12
Candidate: 237-3ubuntu10.12
3) What you expected to happen
Clean unmount of /var Filesystem without Failure
4) What happened instead
Console output on shutdown/reboot
[...]
[ OK ] Stopped Flush Journal to Persistent Storage.
[ OK ] Stopped target Local File Systems.
Unmounting /boot...
Unmounting /var...
Unmounting /run/user/1000...
[FAILED] Failed unmounting /var.
[ OK ] Stopped File System Check on /dev/mapper/vg_system-lv_var.
[ OK ] Unmounted /run/user/1000
[...]
Extract from journalctl
[...]
Feb 07 13:13:31 xxxxx systemd[1]: Stopped Flush Journal to Persistent Storage.
Feb 07 13:13:31 xxxxx systemd[1]: Stopped target Local File Systems.
Feb 07 13:13:31 xxxxx systemd[1]: Unmounting /boot...
Feb 07 13:13:31 xxxxx systemd[1]: Unmounting /var...
Feb 07 13:13:31 xxxxx systemd[1]: Unmounting /run/user/1000...
Feb 07 13:13:31 xxxxx umount[1775]: umount: /var: target is busy.
Feb 07 13:13:31 xxxxx systemd[1]: var.mount: Mount process exited, code=exited
status=32
Feb 07 13:13:31 xxxxx systemd[1]: Failed unmounting /var.
Feb 07 13:13:31 xxxxx systemd[1]: Stopped File System Check on
/dev/mapper/vg_system-lv_var.
Feb 07 13:13:31 xxxxx systemd[1]: Unmounted /run/user/1000.
[...]
Applying the changes described here:
https://github.com/systemd/systemd/issues/867#issuecomment-250202183
let the Error-Messages go away. But are there any side-effects?
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1815045
Title:
Failed unmounting /var when it is a separate filesystem
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