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For my daily work I use two keyboard layouts: The normal German Qwertz (setxkbmap de) as well as Neo (setxkbmap de neo). Yesterday suddenly between switching back and forth between keyboard layouts alt and super stopped working normally for window switching and accessing the gnome shell overview using Neo. More precisely with Neo:

  • When any window has focus pressing alt and super has no effect whatsoever (neither alt - tab for application switching, alt - for window switching, or just super to get to the activities overview).
  • If now window is open super works fine. The same goes for when I'm in the activities overview.
  • Ctrl - Alt - F1 etc. works unaffected.

My system wide default keyboard layout is neo and I switch between keyboard layouts with setxkbmap de / setxkbmap de neo via a keyboard shortcut (the calculator button). When I switch to Qwertz everything works as expected.

I didn't find anything interesting in /var/log/{syslog, Xorg.0.log, gdm/*} and as far as I can tell there were no package installations at the time the problem started. I also tried removing the cache files /var/lib/xkb/* to no avail.

I'd also be happy about hint's how I can debug this phenomenon. As it it I'm at loss with what could be the cause.

Edit: If found a workaround: After logging out and logging in again everything works (my user get's automatically logged in after boot).

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