Re: SDDM problems

Am Samstag, 30. März 2019, 09:58:28 schrieb Anton Aylward:
> But I seem to have now go so far into using KF5 that a lot of previous stuff
> is broken.  And a lot of "5" stuff isn't working right.
> 
> =================
> anton@main:~> k3b
> k3b: /usr/lib64/libQt5Core.so.5: version `Qt_5.6.2_PRIVATE_API' not found
> (required by /usr/lib64/libKF5Declarative.so.5)
> ==================

You obviously mix incompatible packages from different repos.

To upgrade to the latest Qt5/KF5 versions on Leap, you need these three repos:
KDE:Qt5
KDE:Frameworks5
KDE:Applications

And you need to do a full switch to each of them.
Either use "Switch system packages to the versions in this repo" in YaST (it 
does have a text mode interface as well, but I don't know if that actually has 
that option), or run something like "zypper dup --from KDE:Qt5 --from 
KDE:Frameworks5 --from KDE:Applications" (the actual command depends on how 
your repos are named, post the output of "zypper lr -d" for further help).

> 
> >> The basic OS is 42.3.
> >> ...
> >> > >> I have to go to a VT term and change /etc/sysconfig/display to 
lightdm or
> >> xdm and reboot.
> > 
> > This doesn't work in 15.0, remember. May still work in 42.3.

It does indeed still (and only) work that way in 42.3.

> > Dunno. I'm using sddm on 15.0, no problems so far.
> 
> Yes, but why shouldn't SDDM work on 42.3?

It certainly does work in general, actually it's used as default (in a KDE 
installation at least) since 42.1 already.

Maybe some kind of graphics driver problem (SDDM uses/needs OpenGL, due to its 
dependence on QML) or similar. If you're using intel, maybe try to uninstall 
xf86-video-intel if it's installed (and try the generic modesetting driver), 
or install it if not. Similar things can be tried with other drivers as well 
(i.e. uninstall or install xf86-video-ati/xf86-video-nouveau, in the latter 
case you could also try to install/uninstall Mesa-dri-nouveau that contains 
the 3D/OpenGL part or the proprietary nvidia driver of course)

OTOH, 42.3 is nearly out of support anyway, it will be EOL at the end of this 
month IIRC.
I would also suggest sticking to KDM for now, at least while you are still 
using 42.3.

Btw, there was a somehow similar bug report recently:
https://bugzilla.opensuse.org/show_bug.cgi?id=1131073
There it was caused by not having xf86-input-evdev installed, but that would 
likely affect KDM as well I think.

Kind Regards,
Wolfgang

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