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DescriptionPrashanth Sundararaman
2021-04-22 21:07:52 UTC
Description of problem:
Found through - https://bugzilla.redhat.com/show_bug.cgi?id=1950974
There is a custom instantiated mount unit used whose name is `etc-NetworkManager-system\x2dconnections\x2dmerged.mount`. This mount unit was working fine with RHEL CoreOS 4.7 which is based on RHEL 8.3. When using RHEL CoreOS 4.8 which is based off of RHEL 8.4, this unit is not enabled by systemd-preset which is done through ignition. On changing the name of the mountpoint to `systemConnectionsMerged` rather than system-connections-merged and the unit's name to `etc-NetworkManager-systemConnectionsMerged.mount`, it works as expected.
Noticed that this was because the preset file contained:
enable etc-NetworkManager-system\x2dconnections\x2dmerged.mount
changing this to:
enable etc-NetworkManager-system\\x2dconnections\\x2dmerged.mount
worked. but the previous format used to work in RHEL8.3
Version-Release number of selected component (if applicable):
RHEL 8.4
How reproducible:
Always
Steps to Reproduce:
1.Create a mount unit with special character "-" encoded as \x2d
2.create preset file with just one slash for the \x2d
3.try to enable with systemctl preset
Actual results:
unit is not enabled
Expected results:
unit should be enabled
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (systemd bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4469
Since the problem was originally reported by someone working on RHCOS where the problem was seen, we'd like to see the fix backported to 8.4.z where multiple versions of RHCOS could consume the fix.
Most recently, this problem was observed again on a development version of RHCOS 4.10 that is using RHEL 8.4 - https://github.com/openshift/os/issues/665