Bug ID 1231503
Summary kwin x11 6.2.0 coredump on startup with ElectricBorders=2
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware Other
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component KDE Workspace (Plasma)
Assignee opensuse-kde-bugs@opensuse.org
Reporter rickscafe.casablanca@gmx.net
QA Contact qa-bugs@suse.de
Target Milestone ---
Found By ---
Blocker ---

Recent Tumbleweed update of KDE makes kwin-x11 crash when ElectricBorders are
set to Always. I have 4 virtual desktops and switch them all the time by moving
the mouse to screen edge.

While login works and the background processes start, only the loading pic can
be seen and eventually a message without window decorations tells me that
kwin-x11 crashed. Logs tell about core dumps in that part. Stacktrace mentioned
virtual desktops and edges and that is why I supected ElectricBorders.

I can reproduce this by creating a new user and log into plasma-x11. Everything
is on Opensuse defaults. Then go systemsettings and under Mouse-ScreenEdges set
ElectricBorders to Always. 

Funny thing is, it works when doing the change live. It only fails after
logging out and back in. So my guess is something in startup is triggering
this.

This is the config diff that creates the failure

--- .config.0/kwinrc    2024-10-10 15:38:37.946960746 +0200
+++ .config.1/kwinrc    2024-10-10 15:40:45.130296384 +0200
@@ -8,3 +8,6 @@

 [Tiling][7c3f7dd5-47ec-5337-9c32-344c1c155285]

tiles={"layoutDirection":"horizontal","tiles":[{"width":0.25},{"width":0.5},{"width":0.25}]}
+
+[Windows]
+ElectricBorders=2

When I set this to 0 in my main user's kwinrc, I got my Desktop back. Without
the borders, unfortunately.


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