Red Hat Bugzilla – Bug 846384
Please update livecd-late.service to order itself before display-manager.service
Last modified: 2015-02-17 09:23:34 EST
As part of the display manager rework feature we are removing prefdm.service from the distribution which previously included an ordering dependency "After=livesys-late.service".
To ensure that livesys-late.service is properly ordered before the display manager, please update it in the livecd-tools packages to include "Before=display-manager.service" instead.
For more information see:
Note that prefdm.service is now gone from F18. This means the display manager will now be started too early on the for livesys-later.service, and is hence presumably broken.
I suppose that might well explain why every F18 live image I've built so far has failed to start X correctly...
livesys-late isn't actually a native systemd service, yet. It's still a SysV initscript. I had some patches a while back to at least convert livesys and livesys-late into native systemd services - https://bugzilla.redhat.com/show_bug.cgi?id=739446 . I'll take a look and see if I can fix those up, but if neither I nor anyone else gets around to it, I guess we'd need to keep the dep in display-manager.service :/
(In reply to comment #3)
> livesys-late isn't actually a native systemd service, yet. It's still a SysV
> initscript. I had some patches a while back to at least convert livesys and
> livesys-late into native systemd services -
> https://bugzilla.redhat.com/show_bug.cgi?id=739446 . I'll take a look and
> see if I can fix those up, but if neither I nor anyone else gets around to
> it, I guess we'd need to keep the dep in display-manager.service :/
display-manager.service is not a service, it's a symlink to the chose dm, whether it is gdm, kdm, xdm, ...
We really shouldn't have that dep in all those implementations, a single one in the livesys service in the other direction should be more than sufficient.
BTW, a dirty hack to make this work is just write a service file that simply executes the sysv script and that's it. That should be fairly simple. Something like this:
or something like that should already suffice.
Well, that's more or less what I set out to do, in 739446. It got...more complicated. One of those things that started off as a fifteen minute project and ate an entire weekend. I don't recall all the reasons it turned out not to be so trivial, but there were some.
For the record, we should keep an After: livesys-late.service in all DM services until this is done. Doing it the other way around is the 'right' way, but it's not easy, I don't have time to fix it, and no-one else seems inclined to at present...
This bug appears to have been reported against 'rawhide' during the Fedora 19 development cycle.
Changing version to '19'.
(As we did not run this process for some time, it could affect also pre-Fedora 19 development
cycle bugs. We are very sorry. It will help us with cleanup during Fedora 19 End Of Life. Thank you.)
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So, neither gdm.service nor sddm.service has "After: livesys-late.service". lightdm.service and lxdm.service do. But GNOME and KDE live images do tend to work. Not sure what's going on there.
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