Bug 1196452

Summary: systemd immediately unmounts ramdisks
Product: [Fedora] Fedora Reporter: Brian Foster <bfoster>
Component: systemdAssignee: systemd-maint
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: heri, johannbg, jsynacek, lnykryn, msekleta, s, systemd-maint, vpavlin, zbyszek
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: systemd-219-9.fc22 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-03-21 05:02:43 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Brian Foster 2015-02-26 01:20:52 UTC 
To reproduce:

# modprobe brd
# mkfs.xfs /dev/ram0
# mount /dev/ram0 /mnt/
...
# umount /mnt
umount: /mnt/: not mounted

The device mounts initially and then very shortly thereafter is unmounted by systemd with the following in the logs:

localhost systemd: Unit mnt.mount is bound to inactive unit. Stopping, too.
localhost systemd: Unmounting /mnt...
localhost systemd: Unmounted /mnt.
localhost systemd: Unit mnt.mount entered failed state.

This problem occurs with systemd-219-4.fc22.x86_64. It did not occur with systemd-318-*. The kernel is 4.0.0-0.rc1.git0.1.fc22.x86_64.
Comment 1 Lennart Poettering 2015-02-28 17:19:01 UTC 
Fixed in git.
Comment 2 Fedora Update System 2015-03-15 04:00:44 UTC 
systemd-219-9.fc22 has been submitted as an update for Fedora 22.
https://admin.fedoraproject.org/updates/systemd-219-9.fc22
Comment 3 Fedora Update System 2015-03-16 01:40:58 UTC 
Package systemd-219-9.fc22:
* should fix your issue,
* was pushed to the Fedora 22 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing systemd-219-9.fc22'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2015-3949/systemd-219-9.fc22
then log in and leave karma (feedback).
Comment 4 Fedora Update System 2015-03-21 05:02:43 UTC 
systemd-219-9.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Jan Synacek 2015-03-26 12:18:21 UTC 
Is this bug really fixed in systemd-219-9.fc22? I have just seen it in the current F21 version and wanted to see the fix, but I can't find it in neither the upstream repo nor the fedora repo. Zbyszek, could you please point me to the patch?
Comment 6 Zbigniew Jędrzejewski-Szmek 2015-03-26 14:39:40 UTC 
See commits 496068a82, 628c89c.
Comment 7 Zbigniew Jędrzejewski-Szmek 2015-03-26 14:40:27 UTC 
I thought that this bug appeared only recently. If we have the same thing in F21, then maybe you can open a separate bug so we can track it more easily?