** Changed in: zsys (Ubuntu)
Importance: Undecided => Low
** Changed in: zsys (Ubuntu)
Assignee: (unassigned) => Didier Roche (didrocks)
** Also affects: zsys (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: zsys (Ubuntu Focal)
Importance: Undecided => Low
** Changed in: zsys (Ubuntu Focal)
Assignee: (unassigned) => Didier Roche (didrocks)
** Description changed:
+ [Impact]
+ * ZSys user autosave feature was trying to save GDM users on systems that
don’t have their GDM session teared down after logged in (nvidia binary driver).
+ * The saving was failing as no GDM dataset was created.This was only visible
in logs:
+ mai 12 09:41:27 casanier zsysd[48398]: gdm
+ mai 12 09:41:27 casanier zsysctl[48826]: level=error msg="couldn't save state
for user \"gdm\":user \"gdm\" doesn't exist"
+ mai 12 09:41:27 casanier systemd[2480]: zsys-user-savestate.service: Main
process exited, code=exited, status=1/FAILURE
+ mai 12 09:41:27 casanier systemd[2480]: zsys-user-savestate.service: Failed
with result 'exit-code'.
+ mai 12 09:41:27 casanier systemd[2480]: Failed to start Save current user
state periodically.
+
+
+ [Test Case]
+ 1. Install the new ZSys on a machine which gdm session doesn’t tear down
+ 2. Wait for 5 minutes after boot so that the autosave user timer is
triggered.
+ 3. Check the logs: the timer isn’t ran for gdm user.
+
+ [Regression Potential]
+ * The fix is about adding ConditionUser=!@system to the systemd user
autosave features, so that any user with UID < 1000 (which are the users we
don’t create user datasets for) are not considered.
+ * The failure was silent for most of users who don’t look at the logs.
+
+
+ -----
+
From the log:
mai 12 09:41:27 casanier zsysd[48398]: gdm
mai 12 09:41:27 casanier zsysctl[48826]: level=error msg="couldn't save state
for user \"gdm\":user \"gdm\" doesn't exist"
mai 12 09:41:27 casanier systemd[2480]: zsys-user-savestate.service: Main
process exited, code=exited, status=1/FAILURE
mai 12 09:41:27 casanier systemd[2480]: zsys-user-savestate.service: Failed
with result 'exit-code'.
mai 12 09:41:27 casanier systemd[2480]: Failed to start Save current user
state periodically.
mai 12 09:42:27 casanier systemd[1]: zsysd.service: Succeeded.
We should avoid by default logging user ID < 1000 but root rather than
outputting an error.
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https://bugs.launchpad.net/bugs/1881539
Title:
zsys tries to save gdm user home which doesn’t exit
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