https://bugs.kde.org/show_bug.cgi?id=460729
Bug ID: 460729
Summary: (Miscellaneous) SDDM and Wayland session bugs,
plasma-nm issues
Classification: I don't know
Product: kde
Version: unspecified
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: mrmariosup...@gmail.com
Target Milestone: ---
SUMMARY
After switching to Debian Testing, i've noticed that SDDM on login puts the OS
to sleep (with sleep enabled) instead of going straight to Plasma, even though
i have an external monitor connected, and when i first log in from boot SDDM
kicks me back to login prompt most of the time, after the second login attempt
Plasma Wayland finally starts.
But the worst thing happens when the system wakes up, because when that happens
the Wayland session is completely corrupted, the same thing happens if i switch
to a TTY and then go back to the Plasma session, possibly it's a Mesa thing,
although i doubt it because this doesn't happen in GNOME Wayland.
When starting the Plasma session there is a chance that the NetworkManager
service will stop working, from what i could check it seems that this happens
when SDDM is the primary display manager, a while ago the NetworkManager
service was renamed, so that could explain that bug.
STEPS TO REPRODUCE
1. From boot, log in to Plasma Wayland
2. SDDM kicks you back to the login prompt
3. If the OS enter in sleep mode, wake it up, there is a chance that the
Wayland session will start but with corrupted graphics.
*Alternatively
1. Switch to any TTY
2. Then back to Plasma
OBSERVED RESULT
Corrupt graphics and possibly duplicate sessions which cannot be closed by
conventional means, making it impossible to shut down the computer if there is
a sleep process, and plasma-nm stops working until i restart the NetworkManager
service
EXPECTED RESULT
System should not enter to sleep on login, graphics should not get corrupted,
Wayland session should always start, and the Network Manager applet should not
stop working.
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.26.0
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.4
Kernel Version: 5.19.0-2-amd64 (64-bit)
Graphics Platform: Wayland
Processors: 2 × AMD Turion(tm) II Dual-Core Mobile M520
Memory: 3.6 GiB of RAM
Graphics Processor: AMD RS880
Manufacturer: Hewlett-Packard
Product Name: HP Pavilion dv4 Notebook PC
System Version: 049D210000241210000020000
$ inxi -G
Graphics:
Device-1: AMD RS880M [Mobility Radeon HD 4225/4250] driver: radeon
v: kernel
Display: wayland server: X.Org v: 1.22.1.3 with: Xwayland v: 22.1.3
compositor: kwin_wayland driver: X: loaded: radeon
unloaded: fbdev,modesetting,vesa dri: r600 gpu: radeon
resolution: 1440x900~60Hz
OpenGL: renderer: AMD RS880 (DRM 2.50.0 / 5.19.0-2-amd64 LLVM 14.0.6)
v: 3.3 Mesa 22.2.0
ADDITIONAL INFORMATION
I could send videos and screenshots showing the bugs later, since i'm a bit
busy right now, i have to clarify that the lid of the laptop is closed at all
times and I have an external monitor connected, important to clarify that the
lid is closed at all times and i have an external monitor connected, and
despite the inconvenience, KDE Plasma on Wayland is the fastest compositing
desktop in this ATI, so that's a good sign.
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