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Failed unmounting /home. systemd-homed #16842

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#17113
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Failed unmounting /home. systemd-homed#16842
#17113
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homedhomed, homectl, pam_homedneeds-reporter-feedback ❓There's an unanswered question, the reporter needs to answer
@jekanev

Description

@jekanev
jekanev
opened on Aug 26, 2020

systemd version the issue has been seen with
systemd 246.2-2

Used distribution
Arch Linux

Expected behaviour you didn't see
unmount /home

Unexpected behaviour you saw
when home folder mount point on different partition i get error log message on shutdown. Failed unmounting /home.
same if i try --image-path=/mypath/path different partitioni
if home folder on same partition with root no error.
also if i use user with regular home folder shutdown goes without error.

Steps to reproduce the problem
reboot shutdown with systemd-homed user folder.


Aug 26 12:13:09 robot systemd[1]: Stopped target Local File Systems.
Aug 26 12:13:09 robot systemd[1]: Unmounting /boot/efi...
Aug 26 12:13:09 robot systemd[1]: Unmounting /home/spik...
Aug 26 12:13:09 robot systemd[1]: Unmounting /media/disk_A_3...
Aug 26 12:13:09 robot systemd[1]: Unmounting /media/ext4_E...
Aug 26 12:13:09 robot systemd[1]: Unmounting /ramdisk...
Aug 26 12:13:09 robot systemd[1]: Unmounting /run/shm...
Aug 26 12:13:09 robot systemd[1]: Unmounting /tmp...
Aug 26 12:13:09 robot systemd[1]: Unmounting /var/cache/pacman/custom...
Aug 26 12:13:09 robot systemd[1]: Unmounting /var/tmp...
Aug 26 12:13:09 robot systemd[1]: boot-efi.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /boot/efi.
Aug 26 12:13:09 robot systemd[1]: ramdisk.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /ramdisk.
Aug 26 12:13:09 robot systemd[1]: run-shm.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /run/shm.
Aug 26 12:13:09 robot systemd[1]: tmp.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /tmp.
Aug 26 12:13:09 robot systemd[1]: var-cache-pacman-custom.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /var/cache/pacman/custom.
Aug 26 12:13:09 robot systemd[1]: var-tmp.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /var/tmp.
Aug 26 12:13:09 robot systemd[1]: Stopped target Swap.
Aug 26 12:13:09 robot systemd[1]: Unmounting /media/disk_D...
Aug 26 12:13:09 robot systemd[1]: systemd-fsck@dev-disk-by\x2duuid-507D\x2d632A.service: Succeeded.
Aug 26 12:13:09 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-fsck@dev-disk-by\x2duuid-507D\x2d632A comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:09 robot systemd[1]: Stopped File System Check on /dev/disk/by-uuid/507D-632A.
Aug 26 12:13:09 robot systemd[1]: media-disk_A_3.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /media/disk_A_3.
Aug 26 12:13:09 robot systemd[1]: systemd-fsck@dev-disk-by\x2duuid-fdb1e73f\x2d6407\x2d4fea\x2d8512\x2d29727c1c9f6b.service: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Stopped File System Check on /dev/disk/by-uuid/fdb1e73f-6407-4fea-8512-29727c1c9f6b.
Aug 26 12:13:09 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-fsck@dev-disk-by\x2duuid-fdb1e73f\x2d6407\x2d4fea\x2d8512\x2d29727c1c9f6b comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:09 robot systemd[1]: media-disk_D.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /media/disk_D.
Aug 26 12:13:09 robot systemd[1]: home-spik.mount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unmounted /home/spik.
Aug 26 12:13:09 robot systemd[1]: Unmounting /home...
Aug 26 12:13:09 robot umount[1670]: umount: /home: target is busy.
Aug 26 12:13:09 robot systemd[1]: home.mount: Mount process exited, code=exited, status=32/n/a
Aug 26 12:13:09 robot systemd[1]: Failed unmounting /home.
Aug 26 12:13:09 robot systemd[1]: home.automount: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Unset automount home.automount.
Aug 26 12:13:09 robot systemd[1]: systemd-fsck@dev-disk-by\x2duuid-5efd5569\x2da376\x2d4f7c\x2d997c\x2de29f58c35d49.service: Succeeded.
Aug 26 12:13:09 robot systemd[1]: Stopped File System Check on /dev/disk/by-uuid/5efd5569-a376-4f7c-997c-e29f58c35d49.
Aug 26 12:13:09 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-fsck@dev-disk-by\x2duuid-5efd5569\x2da376\x2d4f7c\x2d997c\x2de29f58c35d49 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:09 robot systemd[1]: home.mount: Failed with result 'exit-code'.
Aug 26 12:13:10 robot systemd[1]: media-ext4_E.mount: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Unmounted /media/ext4_E.
Aug 26 12:13:10 robot systemd[1]: Reached target Unmount All Filesystems.
Aug 26 12:13:10 robot systemd[1]: systemd-fsck@dev-disk-by\x2duuid-973ce4ae\x2d0f0b\x2d4157\x2d9ede\x2d874775f449b9.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Stopped File System Check on /dev/disk/by-uuid/973ce4ae-0f0b-4157-9ede-874775f449b9.
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-fsck@dev-disk-by\x2duuid-973ce4ae\x2d0f0b\x2d4157\x2d9ede\x2d874775f449b9 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: Removed slice system-systemd\x2dfsck.slice.
Aug 26 12:13:10 robot systemd[1]: Stopped target Local File Systems (Pre).
Aug 26 12:13:10 robot systemd[1]: Stopping Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling...
Aug 26 12:13:10 robot systemd[1]: systemd-remount-fs.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Stopped Remount Root and Kernel File Systems.
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-remount-fs comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: systemd-tmpfiles-setup-dev.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Stopped Create Static Device Nodes in /dev.
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-tmpfiles-setup-dev comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: lvm2-monitor.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Stopped Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling.
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=lvm2-monitor comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: Stopping LVM2 metadata daemon...
Aug 26 12:13:10 robot systemd[1]: lvm2-lvmetad.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Stopped LVM2 metadata daemon.
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=lvm2-lvmetad comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: Reached target Shutdown.
Aug 26 12:13:10 robot systemd[1]: Reached target Final Step.
Aug 26 12:13:10 robot systemd[1]: lvm2-lvmetad.socket: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Closed LVM2 metadata daemon socket.
Aug 26 12:13:10 robot systemd[1]: systemd-reboot.service: Succeeded.
Aug 26 12:13:10 robot systemd[1]: Finished Reboot.
Aug 26 12:13:10 robot audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-reboot comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj==unconfined msg='unit=systemd-reboot comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 26 12:13:10 robot systemd[1]: Reached target Reboot.
Aug 26 12:13:10 robot systemd[1]: Shutting down.
Aug 26 12:13:10 robot audit: BPF prog-id=6 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=5 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=12 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=11 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=8 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=7 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=4 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=3 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=10 op=UNLOAD
Aug 26 12:13:10 robot audit: BPF prog-id=9 op=UNLOAD
Aug 26 12:13:10 robot systemd[1]: Hardware watchdog 'SP5100 TCO timer', version 0
Aug 26 12:13:10 robot systemd[1]: Set hardware watchdog to 10min.
Aug 26 12:13:10 robot kernel: watchdog: watchdog0: watchdog did not stop!
Aug 26 12:13:10 robot systemd-shutdown[1]: Syncing filesystems and block devices.
Aug 26 12:13:10 robot systemd-shutdown[1]: Sending SIGTERM to remaining processes...

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