[plasma-login-manager] [Bug 523160] kwin_wayland: Failed to open drm device /dev/dri/card1 (AMD Graphics) on Plasma 6.7.x Black screen on login with no cursor

https://bugs.kde.org/show_bug.cgi?id=3D523160

--- Comment #9 from [email protected] ---
(In reply to Zamundaaa from comment #8)
> > Failed to open drm node /dev/dri/renderD128: Permission denied
> That one should never ever ever happen, but it's outside of KWin's contro=
l.
>=20
> > Could not determine the active graphical session
> Same with this.
>=20
> > kwin_wayland[2188]: Failed to open /dev/dri/card1 device (Device or res=
ource busy)
> This looks more familiar, and it's a problem in plasma login manager - it
> starts KWin too early on your PC. KWin 6.8 should handle it either way, b=
ut
> this needs to be fixed in PLM.

I have no clue on any of this. It's all well over my head. All I know is th=
at
6.6.5 works fine. Whereas any variant of 6.7.x doesn't in my case on any sy=
stem
with AMD graphics with the current installs I have.

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