https://bugs.kde.org/show_bug.cgi?id=455550
Bug ID: 455550
Summary: Plasma Wayland (5.25.0) Multi Monitor or Display
settings doesnt work on Hybrid AMD CPU + AMD GPU
Laptop
Product: kwin
Version: 5.25.0
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: fauzanrizqimuham...@gmail.com
Target Milestone: ---
SUMMARY
Plasma Wayland (5.25.0) Multi Monitor or Display settings doesnt work on Hybrid
AMD CPU + AMD GPU Laptop..
STEPS TO REPRODUCE (First Version)
1. Boot with Display port/HDMI connected
2. Login to SDDM
3. Wait..
OBSERVED RESULT (First Version)
Black screen on both laptop monitor and external one.. Waiting more than 10
mins didnt indicate any sign of life.. However going to the TTY seems fine
EXPECTED RESULT (First Version)
Show some content on the external screen only (that was my setting tried
previously)
STEPS TO REPRODUCE (Second Version)
1. Boot without display port/HDMI connected
2. Login to SDDM
3. Wait..
4. Plug DP/HDMI
OBSERVED RESULT (Second Version)
Blackscreen on the external display and cant be enabled via Display settings
(the apps just straight up crashed)
EXPECTED RESULT (Second Version)
Display Settings should work.. or atleast it show something on the external
display..
SOFTWARE/OS VERSIONS
Linux : Arch Linux
KDE Plasma Version: 5.25.0
KDE Frameworks Version: 5.95.0
Qt Version: 5.15.4
ADDITIONAL INFORMATION
Both HDMI and DP connected directly to the dGPU.. And yes its already
activated.. However X11 doesnt have any similiar issue..
Hardware Specifications
Laptop : MSI Delta 15
CPU :Ryzen 7 5800H
GPU0 : RX 6700M
GPU1: Vega 8
Logs
https://pastebin.com/0RnCFX2g
2804 1000 998 SIGSEGV present /usr/bin/kded5
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