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lxc / lxc-ci

LXC continuous integration and build scripts
https://jenkins.linuxcontainers.org
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OpenSUSE Tumbleweed desktop-kde doesn't launch #855

Closed UTsweetyfish closed 6 days ago

UTsweetyfish commented 1 week ago

Hi,

When using the opensuse/tumbleweed/desktop-kde vm image, the virtual machine launches successfully, but sddm can't start.

From journalctl -u sddm.service, the following error is given:

Nov 20 05:29:27 tw-kde systemd[1]: Started Simple Desktop Display Manager.
Nov 20 05:29:27 tw-kde sddm[1353]: Initializing...
Nov 20 05:29:27 tw-kde sddm[1353]: Starting...
Nov 20 05:29:27 tw-kde sddm[1353]: Logind interface found
Nov 20 05:29:27 tw-kde sddm[1353]: Adding new display...
Nov 20 05:29:27 tw-kde sddm[1353]: Loaded empty theme configuration
Nov 20 05:29:27 tw-kde sddm[1353]: Xauthority path: "/run/sddm/xauth_GOLsMf"
Nov 20 05:29:27 tw-kde sddm[1353]: Using VT 2
Nov 20 05:29:27 tw-kde sddm[1353]: Unable to find autologin session entry "default.desktop"
Nov 20 05:29:27 tw-kde sddm[1353]: Display server starting...
Nov 20 05:29:27 tw-kde sddm[1353]: Writing cookie to "/run/sddm/xauth_GOLsMf"
Nov 20 05:29:27 tw-kde sddm[1353]: Running: /usr/bin/X -nolisten tcp -background none -seat seat0 vt2 -auth /run/sddm/xauth_GOLsMf -noreset -displayfd 16
Nov 20 05:29:27 tw-kde sddm[1353]: Failed to start display server process.
Nov 20 05:29:27 tw-kde sddm[1353]: Attempt 1 starting the Display server on vt 2 failed

The error seems to be related to the absence of default.desktop in the directory /usr/share/wayland-sessions/, while a file named plasmawayland.desktop is present there.

I tried running ln -s default.desktop plasmawayland.desktop and restart sddm, Plasma starts successfully.

stgraber commented 1 week ago

Hmm, that's odd, I'm not very familiar with OpenSUSE but that sounds like something that wouldn't just impact us but anyone installing KDE, no?

UTsweetyfish commented 1 week ago

Hey thank you for your reply!

Hmm, that's odd, I'm not very familiar with OpenSUSE but that sounds like something that wouldn't just impact us but anyone installing KDE, no?

https://github.com/lxc/lxc-ci/blob/2a6c9cdef744c05bec739bbdde94e486308831ee/images/opensuse.yaml#L183

We have a desktop-kde variant for openSUSE Tumbleweed, and it's expected to start sddm and autostart KDE6.

https://github.com/lxc/lxc-ci/blob/2a6c9cdef744c05bec739bbdde94e486308831ee/images/opensuse.yaml#L190

The problem is that in the current image, the default.desktop no longer exists, but a plasmawayland.desktop is present.

stgraber commented 6 days ago

Okay, so the better fix is to make it so on tumbelweed, autologin.conf sets Session=plasmawayland instead of Session=default