On Saturday, 19 July 2025 01:20:48 British Summer Time Philip Webb wrote: > A few weeks ago, a weekly update resulted in KDE failing to start ; > as it needed to be updated anyway, I have been using Fluxbox instead. > During the past few days, I removed all the old KDE pkgs, > did an update of all the Qt pkgs which were installed > & re-installed all the previous KDE pkgs in their new versions, > so that I now have Qt 5.15.17 + 6.9.1 , KDE Frameworks 6.13.0 , > Plasma 6.3.5 + Apps 25.04.2 .
A simple update would not normally break a DE. Did you run --depclean and were any packages removed? > I use OpenRC with 'startx' + '.xinitrc' : > for Fluxbox, the latter is simply 'startfluxbox' , > for KDE, it's 'exec dbus-launch --exit-with-session startplasma-x11', > which worked with the old version of KDE & is recommended in Gentoo Wiki. > > Now when I enter 'startx', I get a black screen + a movable mouse-pointer, > but nothing else, & have to restart the machine & return to Fluxbox. You should be able to exit the X session by pressing Ctrl+Alt+Backspace. Or you could try Ctrl+Alt+F2 to go to a VT from which you can interrogate the logs, stop the hanging X session, etc. > There is an error msg : "$DISPLAY is not set or can't connect to server". Where did you find the above error message? Can you check /var/log/Xorg.0.log to see what it reports before you restart the PC? > Gentoo Wiki seems to recommend using 'sddm' instead of 'startx', > which it describes at "the old method". I have 'elogind' 2.55.17 installed. The sddm is a Display Manager, offering a login screen GUI for entering a user's login credentials and it will launch the desktop of choice. However, you should still be able to start an xserver from a console, the sddm is only a graphical alternative to starting a xsession from the console.
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