https://bugs.kde.org/show_bug.cgi?id=501079
Bug ID: 501079
Summary: Plasma 6.3.0 > 6.3.2 seems to break (NVidia) eGPU
Classification: Plasma
Product: kwin
Version: 6.3.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: generic-crash
Assignee: kwin-bugs-n...@kde.org
Reporter: gamebur...@pm.me
Target Milestone: ---
SUMMARY
After running system update that includes plasma update to 6.3.2, I'm failing
to switch to my NVidia egpu.
To process to switch to my egpu is as follows:
1. Disable my laptops nvidia dedicated gpu (using supergfctl -m Integrated)
2. Reboot
3. Login to my kde session (wayland)
4. Run my egpu switch script in terminal which uses all-ways-egpu
(https://github.com/ewagner12/all-ways-egpu), which is the following:
function fixegpu()
{
sudo modprobe -r nvidia_drm && sudo modprobe nvidia_drm modeset=1
fbdev=1
sudo all-ways-egpu set-boot-vga egpu
sudo all-ways-egpu set-compositor-primary egpu
# DISPLAY=:0 kwin --replace
sudo systemctl restart display-manager.service
}
5. After my script runs, the login screen re-appears on all of my monitors
(laptop screen and my 4 external monitors that are connected to my egpu).
6. Once I click submit, my laptop display turns off and my external displays
stay on but they stay black
Rolling back my update, which mostly includes plasma/kde 6.3.2 updates:
https://pastebin.com/UjY24wMm
after step 5 I'm greeted with my plasma desktop. So plasma 6.3.0 and downwards
works fine (was using later 6.2.x also during my month of being on linux,
before nobara updated to 6.3.0)
STEPS TO REPRODUCE
Problably hard to do as it requires specific hardware. Follow steps described
above with an laptop that has integrated intel gpu and nvidia external gpu.
OBSERVED RESULT
After I've enabled my egpu and need to login again, I'm greeted with black
screens instead of plasma desktop.
EXPECTED RESULT
After logging in again, I'm returned to my plasma desktop and everything is
problerly using the egpu. This is how it worked in version 6.3.0 and older.
SOFTWARE/OS VERSIONS
> As I've rolled by my update, this is my details. Obviously only difference
> was plasma version
OS: Nobara Linux 41 (KDE Plasma) x86_64
Host: ROG Strix G733ZW_G733ZW (1.0)
Kernel: Linux 6.13.5-200.nobara.fc41.x86_64
Uptime: 24 mins
Packages: 3409 (rpm), 22 (flatpak-system), 29 (flatpak-user)
Shell: zsh 5.9
Display (DELL P2418D): 2560x1440 @ 60 Hz in 24" [External]
Display (DELL P2419H): 1920x1080 @ 60 Hz in 24" [External]
Display (DELD12D): 3440x1440 @ 144 Hz in 34" [External] *
Display (DELL P2211H): 1920x1080 @ 60 Hz in 22" [External]
DE: KDE Plasma 6.3.0
WM: KWin (Wayland)
WM Theme: Breeze
Theme: Breeze (Nobara) [Qt], Nobara [GTK2/3/4]
Icons: Papirus-Dark [Qt], Papirus-Dark [GTK3/4]
Font: Noto Sans (11pt) [Qt], Noto Sans (11pt) [GTK3/4]
Cursor: breeze (24px)
Terminal: konsole 24.12.2
CPU: 12th Gen Intel(R) Core(TM) i9-12900H (20) @ 5.00 GHz
GPU 1: NVIDIA GeForce RTX 3080 [Discrete]
GPU 2: Intel Iris Xe Graphics @ 1.45 GHz [Integrated]
Memory: 5.76 GiB / 31.00 GiB (19%)
Swap: 0 B / 42.09 GiB (0%)
Disk (/): 217.74 GiB / 918.20 GiB (24%) - btrfs
Disk (/mnt/ssd2tb_linux): 1.02 TiB / 1.79 TiB (57%) - ext4
Local IP (enp46s0): 192.168.1.38/24
Battery (GA50358): 99% [AC Connected]
Locale: en_GB.utf8
ADDITIONAL INFORMATION
I'll try to assist in any way possible.
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