https://bugs.kde.org/show_bug.cgi?id=468464
Bug ID: 468464
Summary: Black screen with mouse pointer on logout: Did the X11
server die? Did the Wayland compositor die?
Classification: Plasma
Product: plasmashell
Version: 5.27.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: pos...@posteo.eu
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
Since some recent upgrade (`zypper dup`) when logging out, it _may_ happen,
that instead to facing SDDM, only a black screen with working cursor shows up.
```
13:03:19 dbus-daemon[2059]: [session uid=1000 pid=2059] Successfully activated
service 'org.kde.Shutdown'
13:03:19 kded5[2250]: X connection to :1 broken (explicit kill or server
shutdown).
13:03:19 kaccess[2429]: The X11 connection broke (error 1). Did the X11 server
die?
13:03:19 systemd[1993]: app-kaccess@autostart.service: Main process exited,
code=exited, status=1/FAILURE
13:03:19 systemd[1993]: app-kaccess@autostart.service: Failed with result
'exit-code'.
13:03:19 kwin_wayland[2077]: QtDBus: cannot relay signals from parent
QObject(0x55e8460d68f0 "") unless they are emitted in the object's thread
QThread(0x55e845f5f108 "libinput-connection"). Current thread is
QThread(0x55e845d9d060 "").
13:03:19 xdg-desktop-por[2107]: Error reading events from display:
Datenübergabe unterbrochen (broken pipe)
13:03:19 kded5[2195]: The Wayland connection broke. Did the Wayland compositor
die?
```
Unfortunately I do not have any more hints. Coredumpctl does not report any
related crash dump.
I can still login in a different tty, but it seems all I can do to recover is
to reboot.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20230411
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.8
Kernel Version: 6.2.9-1-default (64-bit)
Graphics Platform: Wayland
SDDM: 0.19.0-10.1
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