[systemd-bugs] [Bug 67131] commit 7708588119 broke logind DBus API

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67131

--- Comment #4 from Michael Stapelberg <michael+freedesktop at stapelberg.de> ---
(In reply to comment #3)
> 203 is probably cutoff.
203? Should that say 205, or is it really 203?

> Basically, the old versions didn't serialize the cgroup path during reexec,
> and we changed the layout of the cgroup tree quite a bit. The new code will
> hence try to use different paths than what the old version set up. And
> confusion will ensue. "systemctl status" will show you incorrect process
> lists, "systemctl stop" doesn't work anymore, systemd itself might consider
> services stopped that actually are running and suchlike.
> 
> We nowdays do serialize the cgroup path, so this won't happen again.
So I gather from that: for updates from 205 to future versions, reboots will
not be required due to cgroup path serialization.

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