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Is there a keybind I can use to restart my graphics driver? (lemmy.blahaj.zone)

submitted 4 months ago by [email protected] to c/[email protected]

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Graphics related info:

Driver: Mesa 24
GPU: Intel Arc A770
DE: KDE 6
WM: KWin (Wayland)

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[–] [email protected] 6 points 4 months ago (1 children)

Not in the way that Windows does, at that point your best bet is SysRq+REISUB or SSH in and kill kwin and possibly issue a manual reset in /sys. But even if successful, half your apps will have died as Wayland compositor handover isn't quite reliable yet.

I also believe if the GPU hangs the kernel already tries a reset, I would start with a manual reset via SSH to confirm it's even worth pursuing and then you can figure out a hotkey situation. Even if the GUI is locked up, you can listen to evdev devices and catch an arbitrary keyboard shortcut and run a shell script that resets the system to your liking.

[–] [email protected] 5 points 4 months ago (1 children)

REISUB would sync all remaining disk operations and then restart the entire machine.

You could try the old combo for restarting X: Ctrl+Alt+Backspace. I'm not sure though, whether it will work on your system.

[–] [email protected] 3 points 4 months ago

@n3cr0 @Max_P sysrq and ctrl-alt-backspace shouldn't be configured on modern systems.

If the machine is still responsive, ctrl+alt+f2 , login and restart the display manager should work