https://bugs.kde.org/show_bug.cgi?id=499190
Bug ID: 499190
Summary: SDDM does work only after systemctl restart sddm!
Classification: KDE Neon
Product: neon
Version: unspecified
Platform: Neon
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Packages Unstable Edition
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
SUMMARY
Whe boot or reboot, the sddm doesn't started and just give me the black screen.
Doing control + alt + f4, and systemctl restart sddm, them sddm start properly
The error message is that:
● sddm.service - Simple Desktop Display Manager
Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; preset:
enabled)
Active: active (running) since Mon 2025-01-27 08:52:19 -03; 36s ago
Docs: man:sddm(1)
man:sddm.conf(5)
Main PID: 770 (sddm)
Tasks: 2 (limit: 18442)
Memory: 21.4M (peak: 23.6M)
CPU: 118ms
CGroup: /system.slice/sddm.service
└─770 /usr/bin/sddm
jan 27 08:52:20 karis sddm[770]: Adding new display...
jan 27 08:52:20 karis sddm[770]: Loaded empty theme configuration
jan 27 08:52:20 karis sddm[770]: Xauthority path: "/run/sddm/xauth_KylhYs"
jan 27 08:52:20 karis sddm[770]: Using VT 2
jan 27 08:52:20 karis sddm[770]: Display server starting...
jan 27 08:52:20 karis sddm[770]: Writing cookie to "/run/sddm/xauth_KylhYs"
jan 27 08:52:20 karis sddm[770]: Running: /usr/bin/X -nolisten tcp -background
none -seat seat0 vt2 -auth /run/sddm/xauth_KylhYs -noreset -displayfd 16
jan 27 08:52:20 karis sddm[770]: Failed to read display number from pipe
jan 27 08:52:20 karis sddm[770]: Display server stopping...
jan 27 08:52:20 karis sddm[770]: Attempt 1 starting the Display server on vt 2
failed
STEPS TO REPRODUCE
1. Install Neon Unstable
2. SDDM fail
3. Do control + alt + f4 and systemctl restart sddm, them sddm start properly
OBSERVED RESULT
sddm doesn't started
EXPECTED RESULT
sddm started properly
SOFTWARE/OS VERSIONS
ADDITIONAL INFORMATION
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 6.3.80
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.1
Kernel Version: 6.12.9-x64v3-xanmod1 (64-bit)
Graphics Platform: Wayland
Processors: 4 × AMD A12-9720P RADEON R7, 12 COMPUTE CORES 4C+8G
Memory: 15.1 GiB of RAM
Graphics Processor 1: AMD Radeon R7 Graphics
Graphics Processor 2: AMD Radeon 500 Series
Manufacturer: Acer
Product Name: Aspire A515-41G
System Version: V1.09
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