Hi, after the last round of updates (slackware-current) I see that xorg no longer starts at boot (runlevel 4 is initdefault). I can run startx as user successfully though. I saw a LOT of pkgs being updated, xfce and kde among them. Xorg.0.log doesnt show any errors. No errors in /var/log/messages.

Any insights as to whats changed that would cause this?

Thanks

Be more specific please than "xorg no longer starts at boot (runlevel 4 is initdefault)". IS this a full installation, did you install all new packages that came with the huge recent update, did you install KDE Plasma5, what is your graphical session manager now (XDM or SDDM), what desktop session are you trying to start, what did you have before the update (regular Slackware-current, a 'testing-vtown' installation, or no KDE at all) etc... What happens on-screen after you enter your credentials... all that information should have been in your original post. Until I see that info, my statement is: PEBKAC.

Just slackware-current. no vtown or other repos/distros. I did find a log with tons of errors, /var/log/kdm.log:

/usr/lib64/kde4/libexec/kdm_greet: error while loading shared libraries: libqca.so.2: cannot open shared object file: No such file or directory

and lots of messages about

klauncher(1306) kdemain: No DBUS session-bus found. Check if you have started the DBUS server.
kdeinit4: Communication error with launcher. Exiting!

I started looking at installed pkgs and it looks like theres kde4 and 5. I expect 5 came from my use of slackpkg install-new?

Looking at slackpkg clean-system shows a list of qt4 pkgs, do these need to be removed now?

vtown has been incorporated in the main tree, which caused a LOT of changes to packages, so you need to make sure you added all the new packages and removed all the old ones...

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Removed qt4 and kde4 pkgs, and now xorg seems to start and a new greeter dialog appears.

Chalking up to pebkac and marking as solved.

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clean-system was the one I hadn't run, I incorrectly assumed upgrading upgraded existing pkgs, wasn't aware kde5/qt5 came down that pipe, thats on me as well, thanks!

Spoke too soon, after login with greeter, screen goes black and just sits there. Tried each session type listed. Plasma (Wayland), Plasma, XFCE session, Plasma (failsafe).

I had a similar problem after yesterday's updates.
Running, startx, from the prompt failed.
It worked prior to the updates, but after the updates I had to remove my xorg.conf file and the Nvidia driver, and use the nouveau driver.

I don't think this is a driver issue as things worked fine before kde5/qt5. The greeter displays, but after login, nothing. Searches in this forum seem to report same issues but prior to the big merge.

Do you have any errors in /var/log/Xorg.0.log?

No. Nor in /var/log/{sddm.log,debug,messages,secure}, $HOME/.local/share/sddm/*.log.
I tried a reinstall of kde diskset but that didn't change anything.
I'm updated, upgraded, only packages listed in slackpkg clean-system are pkgs I built.
I'm stumped what to try next.

Have you tried a new user to see if it's something in your profile?

If not, have you tried runlevel 3 and running startx to see if you get any errors on the console?

Having keychain initialization in my .bash_profile is hanging X11 session startup. I have to figure out why.

Is gnome-keyring-daemon a new thing that gets started with X sessions now?
I don't seem to recall seeing that using xfce4 before the big merge.

For some unknown reason some systems (like a number of mine) do not respond well to the new line in "/etc/sddm.conf" "MinimumVT=7". It's easy to find out if this is your case by issuing Alt-F7 from command line or Ctrl-Alt-F7 from X, even the greeter/login page. If your system doesn't auto switch to that VT, manually going there should show you X. The solutions are continue ti manually switch or change the line back to "MinimumVT=1"