https://bugs.kde.org/show_bug.cgi?id=413351
Bug ID: 413351
Summary: Wayland session hangs computer after starting; can't
even switch Tty
Product: plasmashell
Version: 5.17.1
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-wayland
Assignee: plasma-b...@kde.org
Reporter: alg...@aaathats3as.com
Target Milestone: 1.0
Starting Wayland session crashes the entire computer. Only way to regain
control is to force shutdown it through SysRq magic. Killing through Sysrq
doesn't evne work only force shutting down. Sometimes it happens as soon as the
splash screen is shown sometimes after I restart latte-dock (if the session
does not crash on start latte will crash after couple seconds), sometimes if I
right click on the desktop it crashes. I can't pinpoint it but I am +60%
confident it is caused by plasmashell (or something related) since starting
kwin_wayland alone does not produce the crash. And yes I added a new user and
tried it with it and same result.
STEPS TO REPRODUCE
1. Start a wayland session
2. If it doesn't instantly crash play around the desktop couple seconds
3. Crash
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Upstream Arch on KDE-Unstable (kernel 5.3.7)
KDE Plasma Version: 5.17.1
KDE Frameworks Version: 5.63.0
Qt Version: 5.14
I am on nouveau driver. Last time I tried the nvidia proprietary driver does
NOT crash at all under wayland (but there is no xwayland so it's useless).
Disabling ksplashqml seems to avoid the crash for a couple of seconds. Maybe
it's placebo I don't know but when the Splash screen is enabled it will usually
instantly crash at the KDE logo while without splash screen it will work couple
seconds (10-20secs) like mentioned before crashing
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